From 2323ede0062263039e6dffd1f5f1803480317d8a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C5=81ukasz=20Opasiak?= Date: Fri, 8 Feb 2019 10:11:29 +0100 Subject: [PATCH 1/4] Update repository to go package. Removed vendor directory along with Gopkg files. --- Gopkg.lock | 19 - Gopkg.toml | 34 - go.mod | 6 + go.sum | 4 + vendor/golang.org/x/crypto/AUTHORS | 3 - vendor/golang.org/x/crypto/CONTRIBUTORS | 3 - vendor/golang.org/x/crypto/LICENSE | 27 - vendor/golang.org/x/crypto/PATENTS | 22 - .../chacha20poly1305/chacha20poly1305.go | 83 - .../chacha20poly1305_amd64.go | 127 - .../chacha20poly1305/chacha20poly1305_amd64.s | 2714 ----------------- .../chacha20poly1305_generic.go | 70 - .../chacha20poly1305_noasm.go | 15 - .../internal/chacha20/chacha_generic.go | 198 -- .../golang.org/x/crypto/poly1305/poly1305.go | 33 - .../golang.org/x/crypto/poly1305/sum_amd64.go | 22 - .../golang.org/x/crypto/poly1305/sum_amd64.s | 125 - .../golang.org/x/crypto/poly1305/sum_arm.go | 22 - vendor/golang.org/x/crypto/poly1305/sum_arm.s | 427 --- .../golang.org/x/crypto/poly1305/sum_ref.go | 141 - 20 files changed, 10 insertions(+), 4085 deletions(-) delete mode 100644 Gopkg.lock delete mode 100644 Gopkg.toml create mode 100644 go.mod create mode 100644 go.sum delete mode 100644 vendor/golang.org/x/crypto/AUTHORS delete mode 100644 vendor/golang.org/x/crypto/CONTRIBUTORS delete mode 100644 vendor/golang.org/x/crypto/LICENSE delete mode 100644 vendor/golang.org/x/crypto/PATENTS delete mode 100644 vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go delete mode 100644 vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go delete mode 100644 vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.s delete mode 100644 vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_generic.go delete mode 100644 vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_noasm.go delete mode 100644 vendor/golang.org/x/crypto/internal/chacha20/chacha_generic.go delete mode 100644 vendor/golang.org/x/crypto/poly1305/poly1305.go delete mode 100644 vendor/golang.org/x/crypto/poly1305/sum_amd64.go delete mode 100644 vendor/golang.org/x/crypto/poly1305/sum_amd64.s delete mode 100644 vendor/golang.org/x/crypto/poly1305/sum_arm.go delete mode 100644 vendor/golang.org/x/crypto/poly1305/sum_arm.s delete mode 100644 vendor/golang.org/x/crypto/poly1305/sum_ref.go diff --git a/Gopkg.lock b/Gopkg.lock deleted file mode 100644 index 2a0eaed..0000000 --- a/Gopkg.lock +++ /dev/null @@ -1,19 +0,0 @@ -# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'. - - -[[projects]] - branch = "master" - name = "golang.org/x/crypto" - packages = [ - "chacha20poly1305", - "internal/chacha20", - "poly1305" - ] - revision = "91a49db82a88618983a78a06c1cbd4e00ab749ab" - -[solve-meta] - analyzer-name = "dep" - analyzer-version = 1 - inputs-digest = "1e1bc3ff74aee3518c575f26d0b1ada26998f93f29916d8836dfc15675418f65" - solver-name = "gps-cdcl" - solver-version = 1 diff --git a/Gopkg.toml b/Gopkg.toml deleted file mode 100644 index 6ed78ba..0000000 --- a/Gopkg.toml +++ /dev/null @@ -1,34 +0,0 @@ -# Gopkg.toml example -# -# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html -# for detailed Gopkg.toml documentation. -# -# required = ["github.com/user/thing/cmd/thing"] -# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"] -# -# [[constraint]] -# name = "github.com/user/project" -# version = "1.0.0" -# -# [[constraint]] -# name = "github.com/user/project2" -# branch = "dev" -# source = "github.com/myfork/project2" -# -# [[override]] -# name = "github.com/x/y" -# version = "2.4.0" -# -# [prune] -# non-go = false -# go-tests = true -# unused-packages = true - - -[[constraint]] - branch = "master" - name = "golang.org/x/crypto" - -[prune] - go-tests = true - unused-packages = true diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..d94a21f --- /dev/null +++ b/go.mod @@ -0,0 +1,6 @@ +module github.com/wirepair/netcode + +require ( + golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 + golang.org/x/sys v0.0.0-20190204203706-41f3e6584952 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..b90d64f --- /dev/null +++ b/go.sum @@ -0,0 +1,4 @@ +golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 h1:MQ/ZZiDsUapFFiMS+vzwXkCTeEKaum+Do5rINYJDmxc= +golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= +golang.org/x/sys v0.0.0-20190204203706-41f3e6584952 h1:FDfvYgoVsA7TTZSbgiqjAbfPbK47CNHdWl3h/PJtii0= +golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= diff --git a/vendor/golang.org/x/crypto/AUTHORS b/vendor/golang.org/x/crypto/AUTHORS deleted file mode 100644 index 2b00ddb..0000000 --- a/vendor/golang.org/x/crypto/AUTHORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code refers to The Go Authors for copyright purposes. -# The master list of authors is in the main Go distribution, -# visible at https://tip.golang.org/AUTHORS. diff --git a/vendor/golang.org/x/crypto/CONTRIBUTORS b/vendor/golang.org/x/crypto/CONTRIBUTORS deleted file mode 100644 index 1fbd3e9..0000000 --- a/vendor/golang.org/x/crypto/CONTRIBUTORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code was written by the Go contributors. -# The master list of contributors is in the main Go distribution, -# visible at https://tip.golang.org/CONTRIBUTORS. diff --git a/vendor/golang.org/x/crypto/LICENSE b/vendor/golang.org/x/crypto/LICENSE deleted file mode 100644 index 6a66aea..0000000 --- a/vendor/golang.org/x/crypto/LICENSE +++ /dev/null @@ -1,27 +0,0 @@ -Copyright (c) 2009 The Go Authors. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/golang.org/x/crypto/PATENTS b/vendor/golang.org/x/crypto/PATENTS deleted file mode 100644 index 7330990..0000000 --- a/vendor/golang.org/x/crypto/PATENTS +++ /dev/null @@ -1,22 +0,0 @@ -Additional IP Rights Grant (Patents) - -"This implementation" means the copyrightable works distributed by -Google as part of the Go project. - -Google hereby grants to You a perpetual, worldwide, non-exclusive, -no-charge, royalty-free, irrevocable (except as stated in this section) -patent license to make, have made, use, offer to sell, sell, import, -transfer and otherwise run, modify and propagate the contents of this -implementation of Go, where such license applies only to those patent -claims, both currently owned or controlled by Google and acquired in -the future, licensable by Google that are necessarily infringed by this -implementation of Go. This grant does not include claims that would be -infringed only as a consequence of further modification of this -implementation. If you or your agent or exclusive licensee institute or -order or agree to the institution of patent litigation against any -entity (including a cross-claim or counterclaim in a lawsuit) alleging -that this implementation of Go or any code incorporated within this -implementation of Go constitutes direct or contributory patent -infringement, or inducement of patent infringement, then any patent -rights granted to you under this License for this implementation of Go -shall terminate as of the date such litigation is filed. diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go deleted file mode 100644 index 3f0dcb9..0000000 --- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go +++ /dev/null @@ -1,83 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package chacha20poly1305 implements the ChaCha20-Poly1305 AEAD as specified in RFC 7539. -package chacha20poly1305 // import "golang.org/x/crypto/chacha20poly1305" - -import ( - "crypto/cipher" - "errors" -) - -const ( - // KeySize is the size of the key used by this AEAD, in bytes. - KeySize = 32 - // NonceSize is the size of the nonce used with this AEAD, in bytes. - NonceSize = 12 -) - -type chacha20poly1305 struct { - key [32]byte -} - -// New returns a ChaCha20-Poly1305 AEAD that uses the given, 256-bit key. -func New(key []byte) (cipher.AEAD, error) { - if len(key) != KeySize { - return nil, errors.New("chacha20poly1305: bad key length") - } - ret := new(chacha20poly1305) - copy(ret.key[:], key) - return ret, nil -} - -func (c *chacha20poly1305) NonceSize() int { - return NonceSize -} - -func (c *chacha20poly1305) Overhead() int { - return 16 -} - -func (c *chacha20poly1305) Seal(dst, nonce, plaintext, additionalData []byte) []byte { - if len(nonce) != NonceSize { - panic("chacha20poly1305: bad nonce length passed to Seal") - } - - if uint64(len(plaintext)) > (1<<38)-64 { - panic("chacha20poly1305: plaintext too large") - } - - return c.seal(dst, nonce, plaintext, additionalData) -} - -var errOpen = errors.New("chacha20poly1305: message authentication failed") - -func (c *chacha20poly1305) Open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) { - if len(nonce) != NonceSize { - panic("chacha20poly1305: bad nonce length passed to Open") - } - if len(ciphertext) < 16 { - return nil, errOpen - } - if uint64(len(ciphertext)) > (1<<38)-48 { - panic("chacha20poly1305: ciphertext too large") - } - - return c.open(dst, nonce, ciphertext, additionalData) -} - -// sliceForAppend takes a slice and a requested number of bytes. It returns a -// slice with the contents of the given slice followed by that many bytes and a -// second slice that aliases into it and contains only the extra bytes. If the -// original slice has sufficient capacity then no allocation is performed. -func sliceForAppend(in []byte, n int) (head, tail []byte) { - if total := len(in) + n; cap(in) >= total { - head = in[:total] - } else { - head = make([]byte, total) - copy(head, in) - } - tail = head[len(in):] - return -} diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go deleted file mode 100644 index 7cd7ad8..0000000 --- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go +++ /dev/null @@ -1,127 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build go1.7,amd64,!gccgo,!appengine - -package chacha20poly1305 - -import "encoding/binary" - -//go:noescape -func chacha20Poly1305Open(dst []byte, key []uint32, src, ad []byte) bool - -//go:noescape -func chacha20Poly1305Seal(dst []byte, key []uint32, src, ad []byte) - -// cpuid is implemented in chacha20poly1305_amd64.s. -func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) - -// xgetbv with ecx = 0 is implemented in chacha20poly1305_amd64.s. -func xgetbv() (eax, edx uint32) - -var ( - useASM bool - useAVX2 bool -) - -func init() { - detectCPUFeatures() -} - -// detectCPUFeatures is used to detect if cpu instructions -// used by the functions implemented in assembler in -// chacha20poly1305_amd64.s are supported. -func detectCPUFeatures() { - maxID, _, _, _ := cpuid(0, 0) - if maxID < 1 { - return - } - - _, _, ecx1, _ := cpuid(1, 0) - - haveSSSE3 := isSet(9, ecx1) - useASM = haveSSSE3 - - haveOSXSAVE := isSet(27, ecx1) - - osSupportsAVX := false - // For XGETBV, OSXSAVE bit is required and sufficient. - if haveOSXSAVE { - eax, _ := xgetbv() - // Check if XMM and YMM registers have OS support. - osSupportsAVX = isSet(1, eax) && isSet(2, eax) - } - haveAVX := isSet(28, ecx1) && osSupportsAVX - - if maxID < 7 { - return - } - - _, ebx7, _, _ := cpuid(7, 0) - haveAVX2 := isSet(5, ebx7) && haveAVX - haveBMI2 := isSet(8, ebx7) - - useAVX2 = haveAVX2 && haveBMI2 -} - -// isSet checks if bit at bitpos is set in value. -func isSet(bitpos uint, value uint32) bool { - return value&(1<+0x00(SB)/4, $0x61707865 -DATA ·chacha20Constants<>+0x04(SB)/4, $0x3320646e -DATA ·chacha20Constants<>+0x08(SB)/4, $0x79622d32 -DATA ·chacha20Constants<>+0x0c(SB)/4, $0x6b206574 -DATA ·chacha20Constants<>+0x10(SB)/4, $0x61707865 -DATA ·chacha20Constants<>+0x14(SB)/4, $0x3320646e -DATA ·chacha20Constants<>+0x18(SB)/4, $0x79622d32 -DATA ·chacha20Constants<>+0x1c(SB)/4, $0x6b206574 -// <<< 16 with PSHUFB -DATA ·rol16<>+0x00(SB)/8, $0x0504070601000302 -DATA ·rol16<>+0x08(SB)/8, $0x0D0C0F0E09080B0A -DATA ·rol16<>+0x10(SB)/8, $0x0504070601000302 -DATA ·rol16<>+0x18(SB)/8, $0x0D0C0F0E09080B0A -// <<< 8 with PSHUFB -DATA ·rol8<>+0x00(SB)/8, $0x0605040702010003 -DATA ·rol8<>+0x08(SB)/8, $0x0E0D0C0F0A09080B -DATA ·rol8<>+0x10(SB)/8, $0x0605040702010003 -DATA ·rol8<>+0x18(SB)/8, $0x0E0D0C0F0A09080B - -DATA ·avx2InitMask<>+0x00(SB)/8, $0x0 -DATA ·avx2InitMask<>+0x08(SB)/8, $0x0 -DATA ·avx2InitMask<>+0x10(SB)/8, $0x1 -DATA ·avx2InitMask<>+0x18(SB)/8, $0x0 - -DATA ·avx2IncMask<>+0x00(SB)/8, $0x2 -DATA ·avx2IncMask<>+0x08(SB)/8, $0x0 -DATA ·avx2IncMask<>+0x10(SB)/8, $0x2 -DATA ·avx2IncMask<>+0x18(SB)/8, $0x0 -// Poly1305 key clamp -DATA ·polyClampMask<>+0x00(SB)/8, $0x0FFFFFFC0FFFFFFF -DATA ·polyClampMask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC -DATA ·polyClampMask<>+0x10(SB)/8, $0xFFFFFFFFFFFFFFFF -DATA ·polyClampMask<>+0x18(SB)/8, $0xFFFFFFFFFFFFFFFF - -DATA ·sseIncMask<>+0x00(SB)/8, $0x1 -DATA ·sseIncMask<>+0x08(SB)/8, $0x0 -// To load/store the last < 16 bytes in a buffer -DATA ·andMask<>+0x00(SB)/8, $0x00000000000000ff -DATA ·andMask<>+0x08(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x10(SB)/8, $0x000000000000ffff -DATA ·andMask<>+0x18(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x20(SB)/8, $0x0000000000ffffff -DATA ·andMask<>+0x28(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x30(SB)/8, $0x00000000ffffffff -DATA ·andMask<>+0x38(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x40(SB)/8, $0x000000ffffffffff -DATA ·andMask<>+0x48(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x50(SB)/8, $0x0000ffffffffffff -DATA ·andMask<>+0x58(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x60(SB)/8, $0x00ffffffffffffff -DATA ·andMask<>+0x68(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x70(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x78(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x80(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x88(SB)/8, $0x00000000000000ff -DATA ·andMask<>+0x90(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x98(SB)/8, $0x000000000000ffff -DATA ·andMask<>+0xa0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xa8(SB)/8, $0x0000000000ffffff -DATA ·andMask<>+0xb0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xb8(SB)/8, $0x00000000ffffffff -DATA ·andMask<>+0xc0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xc8(SB)/8, $0x000000ffffffffff -DATA ·andMask<>+0xd0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xd8(SB)/8, $0x0000ffffffffffff -DATA ·andMask<>+0xe0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xe8(SB)/8, $0x00ffffffffffffff - -GLOBL ·chacha20Constants<>(SB), (NOPTR+RODATA), $32 -GLOBL ·rol16<>(SB), (NOPTR+RODATA), $32 -GLOBL ·rol8<>(SB), (NOPTR+RODATA), $32 -GLOBL ·sseIncMask<>(SB), (NOPTR+RODATA), $16 -GLOBL ·avx2IncMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·avx2InitMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·polyClampMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·andMask<>(SB), (NOPTR+RODATA), $240 -// No PALIGNR in Go ASM yet (but VPALIGNR is present). -#define shiftB0Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x04 // PALIGNR $4, X3, X3 -#define shiftB1Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xe4; BYTE $0x04 // PALIGNR $4, X4, X4 -#define shiftB2Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x04 // PALIGNR $4, X5, X5 -#define shiftB3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x04 // PALIGNR $4, X13, X13 -#define shiftC0Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xf6; BYTE $0x08 // PALIGNR $8, X6, X6 -#define shiftC1Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x08 // PALIGNR $8, X7, X7 -#define shiftC2Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc0; BYTE $0x08 // PALIGNR $8, X8, X8 -#define shiftC3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xf6; BYTE $0x08 // PALIGNR $8, X14, X14 -#define shiftD0Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc9; BYTE $0x0c // PALIGNR $12, X9, X9 -#define shiftD1Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xd2; BYTE $0x0c // PALIGNR $12, X10, X10 -#define shiftD2Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x0c // PALIGNR $12, X11, X11 -#define shiftD3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x0c // PALIGNR $12, X15, X15 -#define shiftB0Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x0c // PALIGNR $12, X3, X3 -#define shiftB1Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xe4; BYTE $0x0c // PALIGNR $12, X4, X4 -#define shiftB2Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x0c // PALIGNR $12, X5, X5 -#define shiftB3Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x0c // PALIGNR $12, X13, X13 -#define shiftC0Right shiftC0Left -#define shiftC1Right shiftC1Left -#define shiftC2Right shiftC2Left -#define shiftC3Right shiftC3Left -#define shiftD0Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc9; BYTE $0x04 // PALIGNR $4, X9, X9 -#define shiftD1Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xd2; BYTE $0x04 // PALIGNR $4, X10, X10 -#define shiftD2Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x04 // PALIGNR $4, X11, X11 -#define shiftD3Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x04 // PALIGNR $4, X15, X15 -// Some macros -#define chachaQR(A, B, C, D, T) \ - PADDD B, A; PXOR A, D; PSHUFB ·rol16<>(SB), D \ - PADDD D, C; PXOR C, B; MOVO B, T; PSLLL $12, T; PSRLL $20, B; PXOR T, B \ - PADDD B, A; PXOR A, D; PSHUFB ·rol8<>(SB), D \ - PADDD D, C; PXOR C, B; MOVO B, T; PSLLL $7, T; PSRLL $25, B; PXOR T, B - -#define chachaQR_AVX2(A, B, C, D, T) \ - VPADDD B, A, A; VPXOR A, D, D; VPSHUFB ·rol16<>(SB), D, D \ - VPADDD D, C, C; VPXOR C, B, B; VPSLLD $12, B, T; VPSRLD $20, B, B; VPXOR T, B, B \ - VPADDD B, A, A; VPXOR A, D, D; VPSHUFB ·rol8<>(SB), D, D \ - VPADDD D, C, C; VPXOR C, B, B; VPSLLD $7, B, T; VPSRLD $25, B, B; VPXOR T, B, B - -#define polyAdd(S) ADDQ S, acc0; ADCQ 8+S, acc1; ADCQ $1, acc2 -#define polyMulStage1 MOVQ (0*8)(BP), AX; MOVQ AX, t2; MULQ acc0; MOVQ AX, t0; MOVQ DX, t1; MOVQ (0*8)(BP), AX; MULQ acc1; IMULQ acc2, t2; ADDQ AX, t1; ADCQ DX, t2 -#define polyMulStage2 MOVQ (1*8)(BP), AX; MOVQ AX, t3; MULQ acc0; ADDQ AX, t1; ADCQ $0, DX; MOVQ DX, acc0; MOVQ (1*8)(BP), AX; MULQ acc1; ADDQ AX, t2; ADCQ $0, DX -#define polyMulStage3 IMULQ acc2, t3; ADDQ acc0, t2; ADCQ DX, t3 -#define polyMulReduceStage MOVQ t0, acc0; MOVQ t1, acc1; MOVQ t2, acc2; ANDQ $3, acc2; MOVQ t2, t0; ANDQ $-4, t0; MOVQ t3, t1; SHRQ $2, t2:t3; SHRQ $2, t3; ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $0, acc2; ADDQ t2, acc0; ADCQ t3, acc1; ADCQ $0, acc2 - -#define polyMulStage1_AVX2 MOVQ (0*8)(BP), DX; MOVQ DX, t2; MULXQ acc0, t0, t1; IMULQ acc2, t2; MULXQ acc1, AX, DX; ADDQ AX, t1; ADCQ DX, t2 -#define polyMulStage2_AVX2 MOVQ (1*8)(BP), DX; MULXQ acc0, acc0, AX; ADDQ acc0, t1; MULXQ acc1, acc1, t3; ADCQ acc1, t2; ADCQ $0, t3 -#define polyMulStage3_AVX2 IMULQ acc2, DX; ADDQ AX, t2; ADCQ DX, t3 - -#define polyMul polyMulStage1; polyMulStage2; polyMulStage3; polyMulReduceStage -#define polyMulAVX2 polyMulStage1_AVX2; polyMulStage2_AVX2; polyMulStage3_AVX2; polyMulReduceStage -// ---------------------------------------------------------------------------- -TEXT polyHashADInternal<>(SB), NOSPLIT, $0 - // adp points to beginning of additional data - // itr2 holds ad length - XORQ acc0, acc0 - XORQ acc1, acc1 - XORQ acc2, acc2 - CMPQ itr2, $13 - JNE hashADLoop - -openFastTLSAD: - // Special treatment for the TLS case of 13 bytes - MOVQ (adp), acc0 - MOVQ 5(adp), acc1 - SHRQ $24, acc1 - MOVQ $1, acc2 - polyMul - RET - -hashADLoop: - // Hash in 16 byte chunks - CMPQ itr2, $16 - JB hashADTail - polyAdd(0(adp)) - LEAQ (1*16)(adp), adp - SUBQ $16, itr2 - polyMul - JMP hashADLoop - -hashADTail: - CMPQ itr2, $0 - JE hashADDone - - // Hash last < 16 byte tail - XORQ t0, t0 - XORQ t1, t1 - XORQ t2, t2 - ADDQ itr2, adp - -hashADTailLoop: - SHLQ $8, t1:t0 - SHLQ $8, t0 - MOVB -1(adp), t2 - XORQ t2, t0 - DECQ adp - DECQ itr2 - JNE hashADTailLoop - -hashADTailFinish: - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - - // Finished AD -hashADDone: - RET - -// ---------------------------------------------------------------------------- -// func chacha20Poly1305Open(dst, key, src, ad []byte) bool -TEXT ·chacha20Poly1305Open(SB), 0, $288-97 - // For aligned stack access - MOVQ SP, BP - ADDQ $32, BP - ANDQ $-32, BP - MOVQ dst+0(FP), oup - MOVQ key+24(FP), keyp - MOVQ src+48(FP), inp - MOVQ src_len+56(FP), inl - MOVQ ad+72(FP), adp - - // Check for AVX2 support - CMPB ·useAVX2(SB), $1 - JE chacha20Poly1305Open_AVX2 - - // Special optimization, for very short buffers - CMPQ inl, $128 - JBE openSSE128 // About 16% faster - - // For long buffers, prepare the poly key first - MOVOU ·chacha20Constants<>(SB), A0 - MOVOU (1*16)(keyp), B0 - MOVOU (2*16)(keyp), C0 - MOVOU (3*16)(keyp), D0 - MOVO D0, T1 - - // Store state on stack for future use - MOVO B0, state1Store - MOVO C0, state2Store - MOVO D0, ctr3Store - MOVQ $10, itr2 - -openSSEPreparePolyKey: - chachaQR(A0, B0, C0, D0, T0) - shiftB0Left; shiftC0Left; shiftD0Left - chachaQR(A0, B0, C0, D0, T0) - shiftB0Right; shiftC0Right; shiftD0Right - DECQ itr2 - JNE openSSEPreparePolyKey - - // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL state1Store, B0 - - // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVO A0, rStore; MOVO B0, sStore - - // Hash AAD - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - -openSSEMainLoop: - CMPQ inl, $256 - JB openSSEMainLoopDone - - // Load state, increment counter blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 - - // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - - // There are 10 ChaCha20 iterations of 2QR each, so for 6 iterations we hash 2 blocks, and for the remaining 4 only 1 block - for a total of 16 - MOVQ $4, itr1 - MOVQ inp, itr2 - -openSSEInternalLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyAdd(0(itr2)) - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - LEAQ (2*8)(itr2), itr2 - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - polyMulStage3 - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr1 - JGE openSSEInternalLoop - - polyAdd(0(itr2)) - polyMul - LEAQ (2*8)(itr2), itr2 - - CMPQ itr1, $-6 - JG openSSEInternalLoop - - // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - - // Load - xor - store - MOVO D3, tmpStore - MOVOU (0*16)(inp), D3; PXOR D3, A0; MOVOU A0, (0*16)(oup) - MOVOU (1*16)(inp), D3; PXOR D3, B0; MOVOU B0, (1*16)(oup) - MOVOU (2*16)(inp), D3; PXOR D3, C0; MOVOU C0, (2*16)(oup) - MOVOU (3*16)(inp), D3; PXOR D3, D0; MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), D0; PXOR D0, A1; MOVOU A1, (4*16)(oup) - MOVOU (5*16)(inp), D0; PXOR D0, B1; MOVOU B1, (5*16)(oup) - MOVOU (6*16)(inp), D0; PXOR D0, C1; MOVOU C1, (6*16)(oup) - MOVOU (7*16)(inp), D0; PXOR D0, D1; MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), D0; PXOR D0, A2; MOVOU A2, (8*16)(oup) - MOVOU (9*16)(inp), D0; PXOR D0, B2; MOVOU B2, (9*16)(oup) - MOVOU (10*16)(inp), D0; PXOR D0, C2; MOVOU C2, (10*16)(oup) - MOVOU (11*16)(inp), D0; PXOR D0, D2; MOVOU D2, (11*16)(oup) - MOVOU (12*16)(inp), D0; PXOR D0, A3; MOVOU A3, (12*16)(oup) - MOVOU (13*16)(inp), D0; PXOR D0, B3; MOVOU B3, (13*16)(oup) - MOVOU (14*16)(inp), D0; PXOR D0, C3; MOVOU C3, (14*16)(oup) - MOVOU (15*16)(inp), D0; PXOR tmpStore, D0; MOVOU D0, (15*16)(oup) - LEAQ 256(inp), inp - LEAQ 256(oup), oup - SUBQ $256, inl - JMP openSSEMainLoop - -openSSEMainLoopDone: - // Handle the various tail sizes efficiently - TESTQ inl, inl - JE openSSEFinalize - CMPQ inl, $64 - JBE openSSETail64 - CMPQ inl, $128 - JBE openSSETail128 - CMPQ inl, $192 - JBE openSSETail192 - JMP openSSETail256 - -openSSEFinalize: - // Hash in the PT, AAD lengths - ADDQ ad_len+80(FP), acc0; ADCQ src_len+56(FP), acc1; ADCQ $1, acc2 - polyMul - - // Final reduce - MOVQ acc0, t0 - MOVQ acc1, t1 - MOVQ acc2, t2 - SUBQ $-5, acc0 - SBBQ $-1, acc1 - SBBQ $3, acc2 - CMOVQCS t0, acc0 - CMOVQCS t1, acc1 - CMOVQCS t2, acc2 - - // Add in the "s" part of the key - ADDQ 0+sStore, acc0 - ADCQ 8+sStore, acc1 - - // Finally, constant time compare to the tag at the end of the message - XORQ AX, AX - MOVQ $1, DX - XORQ (0*8)(inp), acc0 - XORQ (1*8)(inp), acc1 - ORQ acc1, acc0 - CMOVQEQ DX, AX - - // Return true iff tags are equal - MOVB AX, ret+96(FP) - RET - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 129 bytes -openSSE128: - // For up to 128 bytes of ciphertext and 64 bytes for the poly key, we require to process three blocks - MOVOU ·chacha20Constants<>(SB), A0; MOVOU (1*16)(keyp), B0; MOVOU (2*16)(keyp), C0; MOVOU (3*16)(keyp), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO B0, T1; MOVO C0, T2; MOVO D1, T3 - MOVQ $10, itr2 - -openSSE128InnerCipherLoop: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftB1Left; shiftB2Left - shiftC0Left; shiftC1Left; shiftC2Left - shiftD0Left; shiftD1Left; shiftD2Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftB1Right; shiftB2Right - shiftC0Right; shiftC1Right; shiftC2Right - shiftD0Right; shiftD1Right; shiftD2Right - DECQ itr2 - JNE openSSE128InnerCipherLoop - - // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL T1, B0; PADDL T1, B1; PADDL T1, B2 - PADDL T2, C1; PADDL T2, C2 - PADDL T3, D1; PADDL ·sseIncMask<>(SB), T3; PADDL T3, D2 - - // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVOU A0, rStore; MOVOU B0, sStore - - // Hash - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - -openSSE128Open: - CMPQ inl, $16 - JB openSSETail16 - SUBQ $16, inl - - // Load for hashing - polyAdd(0(inp)) - - // Load for decryption - MOVOU (inp), T0; PXOR T0, A1; MOVOU A1, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - polyMul - - // Shift the stream "left" - MOVO B1, A1 - MOVO C1, B1 - MOVO D1, C1 - MOVO A2, D1 - MOVO B2, A2 - MOVO C2, B2 - MOVO D2, C2 - JMP openSSE128Open - -openSSETail16: - TESTQ inl, inl - JE openSSEFinalize - - // We can safely load the CT from the end, because it is padded with the MAC - MOVQ inl, itr2 - SHLQ $4, itr2 - LEAQ ·andMask<>(SB), t0 - MOVOU (inp), T0 - ADDQ inl, inp - PAND -16(t0)(itr2*1), T0 - MOVO T0, 0+tmpStore - MOVQ T0, t0 - MOVQ 8+tmpStore, t1 - PXOR A1, T0 - - // We can only store one byte at a time, since plaintext can be shorter than 16 bytes -openSSETail16Store: - MOVQ T0, t3 - MOVB t3, (oup) - PSRLDQ $1, T0 - INCQ oup - DECQ inl - JNE openSSETail16Store - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - JMP openSSEFinalize - -// ---------------------------------------------------------------------------- -// Special optimization for the last 64 bytes of ciphertext -openSSETail64: - // Need to decrypt up to 64 bytes - prepare single block - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - XORQ itr2, itr2 - MOVQ inl, itr1 - CMPQ itr1, $16 - JB openSSETail64LoopB - -openSSETail64LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul - SUBQ $16, itr1 - -openSSETail64LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0) - shiftB0Left; shiftC0Left; shiftD0Left - chachaQR(A0, B0, C0, D0, T0) - shiftB0Right; shiftC0Right; shiftD0Right - - CMPQ itr1, $16 - JAE openSSETail64LoopA - - CMPQ itr2, $160 - JNE openSSETail64LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL state1Store, B0; PADDL state2Store, C0; PADDL ctr0Store, D0 - -openSSETail64DecLoop: - CMPQ inl, $16 - JB openSSETail64DecLoopDone - SUBQ $16, inl - MOVOU (inp), T0 - PXOR T0, A0 - MOVOU A0, (oup) - LEAQ 16(inp), inp - LEAQ 16(oup), oup - MOVO B0, A0 - MOVO C0, B0 - MOVO D0, C0 - JMP openSSETail64DecLoop - -openSSETail64DecLoopDone: - MOVO A0, A1 - JMP openSSETail16 - -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext -openSSETail128: - // Need to decrypt up to 128 bytes - prepare two blocks - MOVO ·chacha20Constants<>(SB), A1; MOVO state1Store, B1; MOVO state2Store, C1; MOVO ctr3Store, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr0Store - MOVO A1, A0; MOVO B1, B0; MOVO C1, C0; MOVO D1, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr1Store - XORQ itr2, itr2 - MOVQ inl, itr1 - ANDQ $-16, itr1 - -openSSETail128LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul - -openSSETail128LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - - CMPQ itr2, itr1 - JB openSSETail128LoopA - - CMPQ itr2, $160 - JNE openSSETail128LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B0; PADDL state1Store, B1 - PADDL state2Store, C0; PADDL state2Store, C1 - PADDL ctr1Store, D0; PADDL ctr0Store, D1 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (0*16)(oup); MOVOU B1, (1*16)(oup); MOVOU C1, (2*16)(oup); MOVOU D1, (3*16)(oup) - - SUBQ $64, inl - LEAQ 64(inp), inp - LEAQ 64(oup), oup - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 192 bytes of ciphertext -openSSETail192: - // Need to decrypt up to 192 bytes - prepare three blocks - MOVO ·chacha20Constants<>(SB), A2; MOVO state1Store, B2; MOVO state2Store, C2; MOVO ctr3Store, D2; PADDL ·sseIncMask<>(SB), D2; MOVO D2, ctr0Store - MOVO A2, A1; MOVO B2, B1; MOVO C2, C1; MOVO D2, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store - MOVO A1, A0; MOVO B1, B0; MOVO C1, C0; MOVO D1, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr2Store - - MOVQ inl, itr1 - MOVQ $160, itr2 - CMPQ itr1, $160 - CMOVQGT itr2, itr1 - ANDQ $-16, itr1 - XORQ itr2, itr2 - -openSSLTail192LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul - -openSSLTail192LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - shiftB2Left; shiftC2Left; shiftD2Left - - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - shiftB2Right; shiftC2Right; shiftD2Right - - CMPQ itr2, itr1 - JB openSSLTail192LoopA - - CMPQ itr2, $160 - JNE openSSLTail192LoopB - - CMPQ inl, $176 - JB openSSLTail192Store - - polyAdd(160(inp)) - polyMul - - CMPQ inl, $192 - JB openSSLTail192Store - - polyAdd(176(inp)) - polyMul - -openSSLTail192Store: - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL state1Store, B0; PADDL state1Store, B1; PADDL state1Store, B2 - PADDL state2Store, C0; PADDL state2Store, C1; PADDL state2Store, C2 - PADDL ctr2Store, D0; PADDL ctr1Store, D1; PADDL ctr0Store, D2 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A2; PXOR T1, B2; PXOR T2, C2; PXOR T3, D2 - MOVOU A2, (0*16)(oup); MOVOU B2, (1*16)(oup); MOVOU C2, (2*16)(oup); MOVOU D2, (3*16)(oup) - - MOVOU (4*16)(inp), T0; MOVOU (5*16)(inp), T1; MOVOU (6*16)(inp), T2; MOVOU (7*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - - SUBQ $128, inl - LEAQ 128(inp), inp - LEAQ 128(oup), oup - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext -openSSETail256: - // Need to decrypt up to 256 bytes - prepare four blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 - - // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - XORQ itr2, itr2 - -openSSETail256Loop: - // This loop inteleaves 8 ChaCha quarter rounds with 1 poly multiplication - polyAdd(0(inp)(itr2*1)) - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulStage3 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - ADDQ $2*8, itr2 - CMPQ itr2, $160 - JB openSSETail256Loop - MOVQ inl, itr1 - ANDQ $-16, itr1 - -openSSETail256HashLoop: - polyAdd(0(inp)(itr2*1)) - polyMul - ADDQ $2*8, itr2 - CMPQ itr2, itr1 - JB openSSETail256HashLoop - - // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - MOVO D3, tmpStore - - // Load - xor - store - MOVOU (0*16)(inp), D3; PXOR D3, A0 - MOVOU (1*16)(inp), D3; PXOR D3, B0 - MOVOU (2*16)(inp), D3; PXOR D3, C0 - MOVOU (3*16)(inp), D3; PXOR D3, D0 - MOVOU A0, (0*16)(oup) - MOVOU B0, (1*16)(oup) - MOVOU C0, (2*16)(oup) - MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), A0; MOVOU (9*16)(inp), B0; MOVOU (10*16)(inp), C0; MOVOU (11*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (8*16)(oup); MOVOU B2, (9*16)(oup); MOVOU C2, (10*16)(oup); MOVOU D2, (11*16)(oup) - LEAQ 192(inp), inp - LEAQ 192(oup), oup - SUBQ $192, inl - MOVO A3, A0 - MOVO B3, B0 - MOVO C3, C0 - MOVO tmpStore, D0 - - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// ------------------------- AVX2 Code ---------------------------------------- -chacha20Poly1305Open_AVX2: - VZEROUPPER - VMOVDQU ·chacha20Constants<>(SB), AA0 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x70; BYTE $0x10 // broadcasti128 16(r8), ymm14 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x20 // broadcasti128 32(r8), ymm12 - BYTE $0xc4; BYTE $0xc2; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x30 // broadcasti128 48(r8), ymm4 - VPADDD ·avx2InitMask<>(SB), DD0, DD0 - - // Special optimization, for very short buffers - CMPQ inl, $192 - JBE openAVX2192 - CMPQ inl, $320 - JBE openAVX2320 - - // For the general key prepare the key first - as a byproduct we have 64 bytes of cipher stream - VMOVDQA BB0, state1StoreAVX2 - VMOVDQA CC0, state2StoreAVX2 - VMOVDQA DD0, ctr3StoreAVX2 - MOVQ $10, itr2 - -openAVX2PreparePolyKey: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - DECQ itr2 - JNE openAVX2PreparePolyKey - - VPADDD ·chacha20Constants<>(SB), AA0, AA0 - VPADDD state1StoreAVX2, BB0, BB0 - VPADDD state2StoreAVX2, CC0, CC0 - VPADDD ctr3StoreAVX2, DD0, DD0 - - VPERM2I128 $0x02, AA0, BB0, TT0 - - // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 - - // Stream for the first 64 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - - // Hash AD + first 64 bytes - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 - -openAVX2InitialHash64: - polyAdd(0(inp)(itr1*1)) - polyMulAVX2 - ADDQ $16, itr1 - CMPQ itr1, $64 - JNE openAVX2InitialHash64 - - // Decrypt the first 64 bytes - VPXOR (0*32)(inp), AA0, AA0 - VPXOR (1*32)(inp), BB0, BB0 - VMOVDQU AA0, (0*32)(oup) - VMOVDQU BB0, (1*32)(oup) - LEAQ (2*32)(inp), inp - LEAQ (2*32)(oup), oup - SUBQ $64, inl - -openAVX2MainLoop: - CMPQ inl, $512 - JB openAVX2MainLoopDone - - // Load state, increment counter blocks, store the incremented counters - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - XORQ itr1, itr1 - -openAVX2InternalLoop: - // Lets just say this spaghetti loop interleaves 2 quarter rounds with 3 poly multiplications - // Effectively per 512 bytes of stream we hash 480 bytes of ciphertext - polyAdd(0*8(inp)(itr1*1)) - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage1_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulStage2_AVX2 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyMulStage3_AVX2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - polyAdd(2*8(inp)(itr1*1)) - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage1_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage2_AVX2 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage3_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulReduceStage - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(4*8(inp)(itr1*1)) - LEAQ (6*8)(itr1), itr1 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage1_AVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - polyMulStage2_AVX2 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage3_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - CMPQ itr1, $480 - JNE openAVX2InternalLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - - // We only hashed 480 of the 512 bytes available - hash the remaining 32 here - polyAdd(480(inp)) - polyMulAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - - // and here - polyAdd(496(inp)) - polyMulAVX2 - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - VPXOR (12*32)(inp), AA0, AA0; VPXOR (13*32)(inp), BB0, BB0; VPXOR (14*32)(inp), CC0, CC0; VPXOR (15*32)(inp), DD0, DD0 - VMOVDQU AA0, (12*32)(oup); VMOVDQU BB0, (13*32)(oup); VMOVDQU CC0, (14*32)(oup); VMOVDQU DD0, (15*32)(oup) - LEAQ (32*16)(inp), inp - LEAQ (32*16)(oup), oup - SUBQ $(32*16), inl - JMP openAVX2MainLoop - -openAVX2MainLoopDone: - // Handle the various tail sizes efficiently - TESTQ inl, inl - JE openSSEFinalize - CMPQ inl, $128 - JBE openAVX2Tail128 - CMPQ inl, $256 - JBE openAVX2Tail256 - CMPQ inl, $384 - JBE openAVX2Tail384 - JMP openAVX2Tail512 - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 193 bytes -openAVX2192: - // For up to 192 bytes of ciphertext and 64 bytes for the poly key, we process four blocks - VMOVDQA AA0, AA1 - VMOVDQA BB0, BB1 - VMOVDQA CC0, CC1 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2 - VMOVDQA BB0, BB2 - VMOVDQA CC0, CC2 - VMOVDQA DD0, DD2 - VMOVDQA DD1, TT3 - MOVQ $10, itr2 - -openAVX2192InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr2 - JNE openAVX2192InnerCipherLoop - VPADDD AA2, AA0, AA0; VPADDD AA2, AA1, AA1 - VPADDD BB2, BB0, BB0; VPADDD BB2, BB1, BB1 - VPADDD CC2, CC0, CC0; VPADDD CC2, CC1, CC1 - VPADDD DD2, DD0, DD0; VPADDD TT3, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 - - // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 - - // Stream for up to 192 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - -openAVX2ShortOpen: - // Hash - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - -openAVX2ShortOpenLoop: - CMPQ inl, $32 - JB openAVX2ShortTail32 - SUBQ $32, inl - - // Load for hashing - polyAdd(0*8(inp)) - polyMulAVX2 - polyAdd(2*8(inp)) - polyMulAVX2 - - // Load for decryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp - LEAQ (1*32)(oup), oup - - // Shift stream left - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 - VMOVDQA AA1, DD0 - VMOVDQA BB1, AA1 - VMOVDQA CC1, BB1 - VMOVDQA DD1, CC1 - VMOVDQA AA2, DD1 - VMOVDQA BB2, AA2 - JMP openAVX2ShortOpenLoop - -openAVX2ShortTail32: - CMPQ inl, $16 - VMOVDQA A0, A1 - JB openAVX2ShortDone - - SUBQ $16, inl - - // Load for hashing - polyAdd(0*8(inp)) - polyMulAVX2 - - // Load for decryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 - -openAVX2ShortDone: - VZEROUPPER - JMP openSSETail16 - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 321 bytes -openAVX2320: - // For up to 320 bytes of ciphertext and 64 bytes for the poly key, we process six blocks - VMOVDQA AA0, AA1; VMOVDQA BB0, BB1; VMOVDQA CC0, CC1; VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2; VMOVDQA BB0, BB2; VMOVDQA CC0, CC2; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA BB0, TT1; VMOVDQA CC0, TT2; VMOVDQA DD0, TT3 - MOVQ $10, itr2 - -openAVX2320InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr2 - JNE openAVX2320InnerCipherLoop - - VMOVDQA ·chacha20Constants<>(SB), TT0 - VPADDD TT0, AA0, AA0; VPADDD TT0, AA1, AA1; VPADDD TT0, AA2, AA2 - VPADDD TT1, BB0, BB0; VPADDD TT1, BB1, BB1; VPADDD TT1, BB2, BB2 - VPADDD TT2, CC0, CC0; VPADDD TT2, CC1, CC1; VPADDD TT2, CC2, CC2 - VMOVDQA ·avx2IncMask<>(SB), TT0 - VPADDD TT3, DD0, DD0; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD1, DD1; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD2, DD2 - - // Clamp and store poly key - VPERM2I128 $0x02, AA0, BB0, TT0 - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 - - // Stream for up to 320 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - VPERM2I128 $0x02, AA2, BB2, CC1 - VPERM2I128 $0x02, CC2, DD2, DD1 - VPERM2I128 $0x13, AA2, BB2, AA2 - VPERM2I128 $0x13, CC2, DD2, BB2 - JMP openAVX2ShortOpen - -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext -openAVX2Tail128: - // Need to decrypt up to 128 bytes - prepare two blocks - VMOVDQA ·chacha20Constants<>(SB), AA1 - VMOVDQA state1StoreAVX2, BB1 - VMOVDQA state2StoreAVX2, CC1 - VMOVDQA ctr3StoreAVX2, DD1 - VPADDD ·avx2IncMask<>(SB), DD1, DD1 - VMOVDQA DD1, DD0 - - XORQ itr2, itr2 - MOVQ inl, itr1 - ANDQ $-16, itr1 - TESTQ itr1, itr1 - JE openAVX2Tail128LoopB - -openAVX2Tail128LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMulAVX2 - -openAVX2Tail128LoopB: - ADDQ $16, itr2 - chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD1, DD1, DD1 - CMPQ itr2, itr1 - JB openAVX2Tail128LoopA - CMPQ itr2, $160 - JNE openAVX2Tail128LoopB - - VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC1, CC1 - VPADDD DD0, DD1, DD1 - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - -openAVX2TailLoop: - CMPQ inl, $32 - JB openAVX2Tail - SUBQ $32, inl - - // Load for decryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp - LEAQ (1*32)(oup), oup - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 - JMP openAVX2TailLoop - -openAVX2Tail: - CMPQ inl, $16 - VMOVDQA A0, A1 - JB openAVX2TailDone - SUBQ $16, inl - - // Load for decryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 - -openAVX2TailDone: - VZEROUPPER - JMP openSSETail16 - -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext -openAVX2Tail256: - // Need to decrypt up to 256 bytes - prepare four blocks - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA DD0, TT1 - VMOVDQA DD1, TT2 - - // Compute the number of iterations that will hash data - MOVQ inl, tmpStoreAVX2 - MOVQ inl, itr1 - SUBQ $128, itr1 - SHRQ $4, itr1 - MOVQ $10, itr2 - CMPQ itr1, $10 - CMOVQGT itr2, itr1 - MOVQ inp, inl - XORQ itr2, itr2 - -openAVX2Tail256LoopA: - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl - - // Perform ChaCha rounds, while hashing the remaining input -openAVX2Tail256LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - INCQ itr2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - CMPQ itr2, itr1 - JB openAVX2Tail256LoopA - - CMPQ itr2, $10 - JNE openAVX2Tail256LoopB - - MOVQ inl, itr2 - SUBQ inp, inl - MOVQ inl, itr1 - MOVQ tmpStoreAVX2, inl - - // Hash the remainder of data (if any) -openAVX2Tail256Hash: - ADDQ $16, itr1 - CMPQ itr1, inl - JGT openAVX2Tail256HashEnd - polyAdd (0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - JMP openAVX2Tail256Hash - -// Store 128 bytes safely, then go to store loop -openAVX2Tail256HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, AA2; VPERM2I128 $0x02, CC0, DD0, BB2; VPERM2I128 $0x13, AA0, BB0, CC2; VPERM2I128 $0x13, CC0, DD0, DD2 - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - - VPXOR (0*32)(inp), AA2, AA2; VPXOR (1*32)(inp), BB2, BB2; VPXOR (2*32)(inp), CC2, CC2; VPXOR (3*32)(inp), DD2, DD2 - VMOVDQU AA2, (0*32)(oup); VMOVDQU BB2, (1*32)(oup); VMOVDQU CC2, (2*32)(oup); VMOVDQU DD2, (3*32)(oup) - LEAQ (4*32)(inp), inp - LEAQ (4*32)(oup), oup - SUBQ $4*32, inl - - JMP openAVX2TailLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 384 bytes of ciphertext -openAVX2Tail384: - // Need to decrypt up to 384 bytes - prepare six blocks - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA DD0, ctr0StoreAVX2 - VMOVDQA DD1, ctr1StoreAVX2 - VMOVDQA DD2, ctr2StoreAVX2 - - // Compute the number of iterations that will hash two blocks of data - MOVQ inl, tmpStoreAVX2 - MOVQ inl, itr1 - SUBQ $256, itr1 - SHRQ $4, itr1 - ADDQ $6, itr1 - MOVQ $10, itr2 - CMPQ itr1, $10 - CMOVQGT itr2, itr1 - MOVQ inp, inl - XORQ itr2, itr2 - - // Perform ChaCha rounds, while hashing the remaining input -openAVX2Tail384LoopB: - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl - -openAVX2Tail384LoopA: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl - INCQ itr2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - - CMPQ itr2, itr1 - JB openAVX2Tail384LoopB - - CMPQ itr2, $10 - JNE openAVX2Tail384LoopA - - MOVQ inl, itr2 - SUBQ inp, inl - MOVQ inl, itr1 - MOVQ tmpStoreAVX2, inl - -openAVX2Tail384Hash: - ADDQ $16, itr1 - CMPQ itr1, inl - JGT openAVX2Tail384HashEnd - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - JMP openAVX2Tail384Hash - -// Store 256 bytes safely, then go to store loop -openAVX2Tail384HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2 - VPERM2I128 $0x02, AA0, BB0, TT0; VPERM2I128 $0x02, CC0, DD0, TT1; VPERM2I128 $0x13, AA0, BB0, TT2; VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, TT0; VPERM2I128 $0x02, CC1, DD1, TT1; VPERM2I128 $0x13, AA1, BB1, TT2; VPERM2I128 $0x13, CC1, DD1, TT3 - VPXOR (4*32)(inp), TT0, TT0; VPXOR (5*32)(inp), TT1, TT1; VPXOR (6*32)(inp), TT2, TT2; VPXOR (7*32)(inp), TT3, TT3 - VMOVDQU TT0, (4*32)(oup); VMOVDQU TT1, (5*32)(oup); VMOVDQU TT2, (6*32)(oup); VMOVDQU TT3, (7*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - LEAQ (8*32)(inp), inp - LEAQ (8*32)(oup), oup - SUBQ $8*32, inl - JMP openAVX2TailLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 512 bytes of ciphertext -openAVX2Tail512: - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - XORQ itr1, itr1 - MOVQ inp, itr2 - -openAVX2Tail512LoopB: - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ (2*8)(itr2), itr2 - -openAVX2Tail512LoopA: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyAdd(0*8(itr2)) - polyMulAVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(2*8(itr2)) - polyMulAVX2 - LEAQ (4*8)(itr2), itr2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - INCQ itr1 - CMPQ itr1, $4 - JLT openAVX2Tail512LoopB - - CMPQ itr1, $10 - JNE openAVX2Tail512LoopA - - MOVQ inl, itr1 - SUBQ $384, itr1 - ANDQ $-16, itr1 - -openAVX2Tail512HashLoop: - TESTQ itr1, itr1 - JE openAVX2Tail512HashEnd - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - SUBQ $16, itr1 - JMP openAVX2Tail512HashLoop - -openAVX2Tail512HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - - LEAQ (12*32)(inp), inp - LEAQ (12*32)(oup), oup - SUBQ $12*32, inl - - JMP openAVX2TailLoop - -// ---------------------------------------------------------------------------- -// ---------------------------------------------------------------------------- -// func chacha20Poly1305Seal(dst, key, src, ad []byte) -TEXT ·chacha20Poly1305Seal(SB), 0, $288-96 - // For aligned stack access - MOVQ SP, BP - ADDQ $32, BP - ANDQ $-32, BP - MOVQ dst+0(FP), oup - MOVQ key+24(FP), keyp - MOVQ src+48(FP), inp - MOVQ src_len+56(FP), inl - MOVQ ad+72(FP), adp - - CMPB ·useAVX2(SB), $1 - JE chacha20Poly1305Seal_AVX2 - - // Special optimization, for very short buffers - CMPQ inl, $128 - JBE sealSSE128 // About 15% faster - - // In the seal case - prepare the poly key + 3 blocks of stream in the first iteration - MOVOU ·chacha20Constants<>(SB), A0 - MOVOU (1*16)(keyp), B0 - MOVOU (2*16)(keyp), C0 - MOVOU (3*16)(keyp), D0 - - // Store state on stack for future use - MOVO B0, state1Store - MOVO C0, state2Store - - // Load state, increment counter blocks - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 - - // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - MOVQ $10, itr2 - -sealSSEIntroLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr2 - JNE sealSSEIntroLoop - - // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - - // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVO A0, rStore - MOVO B0, sStore - - // Hash AAD - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (0*16)(oup); MOVOU B1, (1*16)(oup); MOVOU C1, (2*16)(oup); MOVOU D1, (3*16)(oup) - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (4*16)(oup); MOVOU B2, (5*16)(oup); MOVOU C2, (6*16)(oup); MOVOU D2, (7*16)(oup) - - MOVQ $128, itr1 - SUBQ $128, inl - LEAQ 128(inp), inp - - MOVO A3, A1; MOVO B3, B1; MOVO C3, C1; MOVO D3, D1 - - CMPQ inl, $64 - JBE sealSSE128SealHash - - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A3; PXOR B0, B3; PXOR C0, C3; PXOR D0, D3 - MOVOU A3, (8*16)(oup); MOVOU B3, (9*16)(oup); MOVOU C3, (10*16)(oup); MOVOU D3, (11*16)(oup) - - ADDQ $64, itr1 - SUBQ $64, inl - LEAQ 64(inp), inp - - MOVQ $2, itr1 - MOVQ $8, itr2 - - CMPQ inl, $64 - JBE sealSSETail64 - CMPQ inl, $128 - JBE sealSSETail128 - CMPQ inl, $192 - JBE sealSSETail192 - -sealSSEMainLoop: - // Load state, increment counter blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 - - // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - -sealSSEInnerLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyAdd(0(oup)) - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - LEAQ (2*8)(oup), oup - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - polyMulStage3 - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr2 - JGE sealSSEInnerLoop - polyAdd(0(oup)) - polyMul - LEAQ (2*8)(oup), oup - DECQ itr1 - JG sealSSEInnerLoop - - // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - MOVO D3, tmpStore - - // Load - xor - store - MOVOU (0*16)(inp), D3; PXOR D3, A0 - MOVOU (1*16)(inp), D3; PXOR D3, B0 - MOVOU (2*16)(inp), D3; PXOR D3, C0 - MOVOU (3*16)(inp), D3; PXOR D3, D0 - MOVOU A0, (0*16)(oup) - MOVOU B0, (1*16)(oup) - MOVOU C0, (2*16)(oup) - MOVOU D0, (3*16)(oup) - MOVO tmpStore, D3 - - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), A0; MOVOU (9*16)(inp), B0; MOVOU (10*16)(inp), C0; MOVOU (11*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (8*16)(oup); MOVOU B2, (9*16)(oup); MOVOU C2, (10*16)(oup); MOVOU D2, (11*16)(oup) - ADDQ $192, inp - MOVQ $192, itr1 - SUBQ $192, inl - MOVO A3, A1 - MOVO B3, B1 - MOVO C3, C1 - MOVO D3, D1 - CMPQ inl, $64 - JBE sealSSE128SealHash - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A3; PXOR B0, B3; PXOR C0, C3; PXOR D0, D3 - MOVOU A3, (12*16)(oup); MOVOU B3, (13*16)(oup); MOVOU C3, (14*16)(oup); MOVOU D3, (15*16)(oup) - LEAQ 64(inp), inp - SUBQ $64, inl - MOVQ $6, itr1 - MOVQ $4, itr2 - CMPQ inl, $192 - JG sealSSEMainLoop - - MOVQ inl, itr1 - TESTQ inl, inl - JE sealSSE128SealHash - MOVQ $6, itr1 - CMPQ inl, $64 - JBE sealSSETail64 - CMPQ inl, $128 - JBE sealSSETail128 - JMP sealSSETail192 - -// ---------------------------------------------------------------------------- -// Special optimization for the last 64 bytes of plaintext -sealSSETail64: - // Need to encrypt up to 64 bytes - prepare single block, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A1 - MOVO state1Store, B1 - MOVO state2Store, C1 - MOVO ctr3Store, D1 - PADDL ·sseIncMask<>(SB), D1 - MOVO D1, ctr0Store - -sealSSETail64LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealSSETail64LoopB: - chachaQR(A1, B1, C1, D1, T1) - shiftB1Left; shiftC1Left; shiftD1Left - chachaQR(A1, B1, C1, D1, T1) - shiftB1Right; shiftC1Right; shiftD1Right - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - - DECQ itr1 - JG sealSSETail64LoopA - - DECQ itr2 - JGE sealSSETail64LoopB - PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B1 - PADDL state2Store, C1 - PADDL ctr0Store, D1 - - JMP sealSSE128Seal - -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of plaintext -sealSSETail128: - // Need to encrypt up to 128 bytes - prepare two blocks, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store - -sealSSETail128LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealSSETail128LoopB: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - - DECQ itr1 - JG sealSSETail128LoopA - - DECQ itr2 - JGE sealSSETail128LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B0; PADDL state1Store, B1 - PADDL state2Store, C0; PADDL state2Store, C1 - PADDL ctr0Store, D0; PADDL ctr1Store, D1 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A0; PXOR T1, B0; PXOR T2, C0; PXOR T3, D0 - MOVOU A0, (0*16)(oup); MOVOU B0, (1*16)(oup); MOVOU C0, (2*16)(oup); MOVOU D0, (3*16)(oup) - - MOVQ $64, itr1 - LEAQ 64(inp), inp - SUBQ $64, inl - - JMP sealSSE128SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 192 bytes of plaintext -sealSSETail192: - // Need to encrypt up to 192 bytes - prepare three blocks, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2; MOVO D2, ctr2Store - -sealSSETail192LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealSSETail192LoopB: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - shiftB2Left; shiftC2Left; shiftD2Left - - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - shiftB2Right; shiftC2Right; shiftD2Right - - DECQ itr1 - JG sealSSETail192LoopA - - DECQ itr2 - JGE sealSSETail192LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL state1Store, B0; PADDL state1Store, B1; PADDL state1Store, B2 - PADDL state2Store, C0; PADDL state2Store, C1; PADDL state2Store, C2 - PADDL ctr0Store, D0; PADDL ctr1Store, D1; PADDL ctr2Store, D2 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A0; PXOR T1, B0; PXOR T2, C0; PXOR T3, D0 - MOVOU A0, (0*16)(oup); MOVOU B0, (1*16)(oup); MOVOU C0, (2*16)(oup); MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), T0; MOVOU (5*16)(inp), T1; MOVOU (6*16)(inp), T2; MOVOU (7*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - - MOVO A2, A1 - MOVO B2, B1 - MOVO C2, C1 - MOVO D2, D1 - MOVQ $128, itr1 - LEAQ 128(inp), inp - SUBQ $128, inl - - JMP sealSSE128SealHash - -// ---------------------------------------------------------------------------- -// Special seal optimization for buffers smaller than 129 bytes -sealSSE128: - // For up to 128 bytes of ciphertext and 64 bytes for the poly key, we require to process three blocks - MOVOU ·chacha20Constants<>(SB), A0; MOVOU (1*16)(keyp), B0; MOVOU (2*16)(keyp), C0; MOVOU (3*16)(keyp), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO B0, T1; MOVO C0, T2; MOVO D1, T3 - MOVQ $10, itr2 - -sealSSE128InnerCipherLoop: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftB1Left; shiftB2Left - shiftC0Left; shiftC1Left; shiftC2Left - shiftD0Left; shiftD1Left; shiftD2Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftB1Right; shiftB2Right - shiftC0Right; shiftC1Right; shiftC2Right - shiftD0Right; shiftD1Right; shiftD2Right - DECQ itr2 - JNE sealSSE128InnerCipherLoop - - // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL T1, B0; PADDL T1, B1; PADDL T1, B2 - PADDL T2, C1; PADDL T2, C2 - PADDL T3, D1; PADDL ·sseIncMask<>(SB), T3; PADDL T3, D2 - PAND ·polyClampMask<>(SB), A0 - MOVOU A0, rStore - MOVOU B0, sStore - - // Hash - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 - -sealSSE128SealHash: - // itr1 holds the number of bytes encrypted but not yet hashed - CMPQ itr1, $16 - JB sealSSE128Seal - polyAdd(0(oup)) - polyMul - - SUBQ $16, itr1 - ADDQ $16, oup - - JMP sealSSE128SealHash - -sealSSE128Seal: - CMPQ inl, $16 - JB sealSSETail - SUBQ $16, inl - - // Load for decryption - MOVOU (inp), T0 - PXOR T0, A1 - MOVOU A1, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - - // Extract for hashing - MOVQ A1, t0 - PSRLDQ $8, A1 - MOVQ A1, t1 - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - - // Shift the stream "left" - MOVO B1, A1 - MOVO C1, B1 - MOVO D1, C1 - MOVO A2, D1 - MOVO B2, A2 - MOVO C2, B2 - MOVO D2, C2 - JMP sealSSE128Seal - -sealSSETail: - TESTQ inl, inl - JE sealSSEFinalize - - // We can only load the PT one byte at a time to avoid read after end of buffer - MOVQ inl, itr2 - SHLQ $4, itr2 - LEAQ ·andMask<>(SB), t0 - MOVQ inl, itr1 - LEAQ -1(inp)(inl*1), inp - XORQ t2, t2 - XORQ t3, t3 - XORQ AX, AX - -sealSSETailLoadLoop: - SHLQ $8, t2, t3 - SHLQ $8, t2 - MOVB (inp), AX - XORQ AX, t2 - LEAQ -1(inp), inp - DECQ itr1 - JNE sealSSETailLoadLoop - MOVQ t2, 0+tmpStore - MOVQ t3, 8+tmpStore - PXOR 0+tmpStore, A1 - MOVOU A1, (oup) - MOVOU -16(t0)(itr2*1), T0 - PAND T0, A1 - MOVQ A1, t0 - PSRLDQ $8, A1 - MOVQ A1, t1 - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - - ADDQ inl, oup - -sealSSEFinalize: - // Hash in the buffer lengths - ADDQ ad_len+80(FP), acc0 - ADCQ src_len+56(FP), acc1 - ADCQ $1, acc2 - polyMul - - // Final reduce - MOVQ acc0, t0 - MOVQ acc1, t1 - MOVQ acc2, t2 - SUBQ $-5, acc0 - SBBQ $-1, acc1 - SBBQ $3, acc2 - CMOVQCS t0, acc0 - CMOVQCS t1, acc1 - CMOVQCS t2, acc2 - - // Add in the "s" part of the key - ADDQ 0+sStore, acc0 - ADCQ 8+sStore, acc1 - - // Finally store the tag at the end of the message - MOVQ acc0, (0*8)(oup) - MOVQ acc1, (1*8)(oup) - RET - -// ---------------------------------------------------------------------------- -// ------------------------- AVX2 Code ---------------------------------------- -chacha20Poly1305Seal_AVX2: - VZEROUPPER - VMOVDQU ·chacha20Constants<>(SB), AA0 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x70; BYTE $0x10 // broadcasti128 16(r8), ymm14 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x20 // broadcasti128 32(r8), ymm12 - BYTE $0xc4; BYTE $0xc2; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x30 // broadcasti128 48(r8), ymm4 - VPADDD ·avx2InitMask<>(SB), DD0, DD0 - - // Special optimizations, for very short buffers - CMPQ inl, $192 - JBE seal192AVX2 // 33% faster - CMPQ inl, $320 - JBE seal320AVX2 // 17% faster - - // For the general key prepare the key first - as a byproduct we have 64 bytes of cipher stream - VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3; VMOVDQA BB0, state1StoreAVX2 - VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3; VMOVDQA CC0, state2StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD0, DD1; VMOVDQA DD0, ctr0StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD1, DD2; VMOVDQA DD1, ctr1StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD2, DD3; VMOVDQA DD2, ctr2StoreAVX2 - VMOVDQA DD3, ctr3StoreAVX2 - MOVQ $10, itr2 - -sealAVX2IntroLoop: - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $12, DD1, DD1, DD1 - VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $12, DD2, DD2, DD2 - VPALIGNR $4, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $12, DD3, DD3, DD3 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $4, DD1, DD1, DD1 - VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $4, DD2, DD2, DD2 - VPALIGNR $12, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $4, DD3, DD3, DD3 - DECQ itr2 - JNE sealAVX2IntroLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - - VPERM2I128 $0x13, CC0, DD0, CC0 // Stream bytes 96 - 127 - VPERM2I128 $0x02, AA0, BB0, DD0 // The Poly1305 key - VPERM2I128 $0x13, AA0, BB0, AA0 // Stream bytes 64 - 95 - - // Clamp and store poly key - VPAND ·polyClampMask<>(SB), DD0, DD0 - VMOVDQA DD0, rsStoreAVX2 - - // Hash AD - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - - // Can store at least 320 bytes - VPXOR (0*32)(inp), AA0, AA0 - VPXOR (1*32)(inp), CC0, CC0 - VMOVDQU AA0, (0*32)(oup) - VMOVDQU CC0, (1*32)(oup) - - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (2*32)(inp), AA0, AA0; VPXOR (3*32)(inp), BB0, BB0; VPXOR (4*32)(inp), CC0, CC0; VPXOR (5*32)(inp), DD0, DD0 - VMOVDQU AA0, (2*32)(oup); VMOVDQU BB0, (3*32)(oup); VMOVDQU CC0, (4*32)(oup); VMOVDQU DD0, (5*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (6*32)(inp), AA0, AA0; VPXOR (7*32)(inp), BB0, BB0; VPXOR (8*32)(inp), CC0, CC0; VPXOR (9*32)(inp), DD0, DD0 - VMOVDQU AA0, (6*32)(oup); VMOVDQU BB0, (7*32)(oup); VMOVDQU CC0, (8*32)(oup); VMOVDQU DD0, (9*32)(oup) - - MOVQ $320, itr1 - SUBQ $320, inl - LEAQ 320(inp), inp - - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, CC3, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, CC3, DD3, DD0 - CMPQ inl, $128 - JBE sealAVX2SealHash - - VPXOR (0*32)(inp), AA0, AA0; VPXOR (1*32)(inp), BB0, BB0; VPXOR (2*32)(inp), CC0, CC0; VPXOR (3*32)(inp), DD0, DD0 - VMOVDQU AA0, (10*32)(oup); VMOVDQU BB0, (11*32)(oup); VMOVDQU CC0, (12*32)(oup); VMOVDQU DD0, (13*32)(oup) - SUBQ $128, inl - LEAQ 128(inp), inp - - MOVQ $8, itr1 - MOVQ $2, itr2 - - CMPQ inl, $128 - JBE sealAVX2Tail128 - CMPQ inl, $256 - JBE sealAVX2Tail256 - CMPQ inl, $384 - JBE sealAVX2Tail384 - CMPQ inl, $512 - JBE sealAVX2Tail512 - - // We have 448 bytes to hash, but main loop hashes 512 bytes at a time - perform some rounds, before the main loop - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $12, DD1, DD1, DD1 - VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $12, DD2, DD2, DD2 - VPALIGNR $4, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $12, DD3, DD3, DD3 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $4, DD1, DD1, DD1 - VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $4, DD2, DD2, DD2 - VPALIGNR $12, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $4, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - - SUBQ $16, oup // Adjust the pointer - MOVQ $9, itr1 - JMP sealAVX2InternalLoopStart - -sealAVX2MainLoop: - // Load state, increment counter blocks, store the incremented counters - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - MOVQ $10, itr1 - -sealAVX2InternalLoop: - polyAdd(0*8(oup)) - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage1_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulStage2_AVX2 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyMulStage3_AVX2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - -sealAVX2InternalLoopStart: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - polyAdd(2*8(oup)) - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage1_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage2_AVX2 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage3_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulReduceStage - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(4*8(oup)) - LEAQ (6*8)(oup), oup - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage1_AVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - polyMulStage2_AVX2 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage3_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - DECQ itr1 - JNE sealAVX2InternalLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - - // We only hashed 480 of the 512 bytes available - hash the remaining 32 here - polyAdd(0*8(oup)) - polyMulAVX2 - LEAQ (4*8)(oup), oup - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - - // and here - polyAdd(-2*8(oup)) - polyMulAVX2 - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - VPXOR (12*32)(inp), AA0, AA0; VPXOR (13*32)(inp), BB0, BB0; VPXOR (14*32)(inp), CC0, CC0; VPXOR (15*32)(inp), DD0, DD0 - VMOVDQU AA0, (12*32)(oup); VMOVDQU BB0, (13*32)(oup); VMOVDQU CC0, (14*32)(oup); VMOVDQU DD0, (15*32)(oup) - LEAQ (32*16)(inp), inp - SUBQ $(32*16), inl - CMPQ inl, $512 - JG sealAVX2MainLoop - - // Tail can only hash 480 bytes - polyAdd(0*8(oup)) - polyMulAVX2 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ 32(oup), oup - - MOVQ $10, itr1 - MOVQ $0, itr2 - CMPQ inl, $128 - JBE sealAVX2Tail128 - CMPQ inl, $256 - JBE sealAVX2Tail256 - CMPQ inl, $384 - JBE sealAVX2Tail384 - JMP sealAVX2Tail512 - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 193 bytes -seal192AVX2: - // For up to 192 bytes of ciphertext and 64 bytes for the poly key, we process four blocks - VMOVDQA AA0, AA1 - VMOVDQA BB0, BB1 - VMOVDQA CC0, CC1 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2 - VMOVDQA BB0, BB2 - VMOVDQA CC0, CC2 - VMOVDQA DD0, DD2 - VMOVDQA DD1, TT3 - MOVQ $10, itr2 - -sealAVX2192InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr2 - JNE sealAVX2192InnerCipherLoop - VPADDD AA2, AA0, AA0; VPADDD AA2, AA1, AA1 - VPADDD BB2, BB0, BB0; VPADDD BB2, BB1, BB1 - VPADDD CC2, CC0, CC0; VPADDD CC2, CC1, CC1 - VPADDD DD2, DD0, DD0; VPADDD TT3, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 - - // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 - - // Stream for up to 192 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - -sealAVX2ShortSeal: - // Hash aad - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 - -sealAVX2SealHash: - // itr1 holds the number of bytes encrypted but not yet hashed - CMPQ itr1, $16 - JB sealAVX2ShortSealLoop - polyAdd(0(oup)) - polyMul - SUBQ $16, itr1 - ADDQ $16, oup - JMP sealAVX2SealHash - -sealAVX2ShortSealLoop: - CMPQ inl, $32 - JB sealAVX2ShortTail32 - SUBQ $32, inl - - // Load for encryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp - - // Now can hash - polyAdd(0*8(oup)) - polyMulAVX2 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ (1*32)(oup), oup - - // Shift stream left - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 - VMOVDQA AA1, DD0 - VMOVDQA BB1, AA1 - VMOVDQA CC1, BB1 - VMOVDQA DD1, CC1 - VMOVDQA AA2, DD1 - VMOVDQA BB2, AA2 - JMP sealAVX2ShortSealLoop - -sealAVX2ShortTail32: - CMPQ inl, $16 - VMOVDQA A0, A1 - JB sealAVX2ShortDone - - SUBQ $16, inl - - // Load for encryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp - - // Hash - polyAdd(0*8(oup)) - polyMulAVX2 - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 - -sealAVX2ShortDone: - VZEROUPPER - JMP sealSSETail - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 321 bytes -seal320AVX2: - // For up to 320 bytes of ciphertext and 64 bytes for the poly key, we process six blocks - VMOVDQA AA0, AA1; VMOVDQA BB0, BB1; VMOVDQA CC0, CC1; VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2; VMOVDQA BB0, BB2; VMOVDQA CC0, CC2; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA BB0, TT1; VMOVDQA CC0, TT2; VMOVDQA DD0, TT3 - MOVQ $10, itr2 - -sealAVX2320InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr2 - JNE sealAVX2320InnerCipherLoop - - VMOVDQA ·chacha20Constants<>(SB), TT0 - VPADDD TT0, AA0, AA0; VPADDD TT0, AA1, AA1; VPADDD TT0, AA2, AA2 - VPADDD TT1, BB0, BB0; VPADDD TT1, BB1, BB1; VPADDD TT1, BB2, BB2 - VPADDD TT2, CC0, CC0; VPADDD TT2, CC1, CC1; VPADDD TT2, CC2, CC2 - VMOVDQA ·avx2IncMask<>(SB), TT0 - VPADDD TT3, DD0, DD0; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD1, DD1; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD2, DD2 - - // Clamp and store poly key - VPERM2I128 $0x02, AA0, BB0, TT0 - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 - - // Stream for up to 320 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - VPERM2I128 $0x02, AA2, BB2, CC1 - VPERM2I128 $0x02, CC2, DD2, DD1 - VPERM2I128 $0x13, AA2, BB2, AA2 - VPERM2I128 $0x13, CC2, DD2, BB2 - JMP sealAVX2ShortSeal - -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext -sealAVX2Tail128: - // Need to decrypt up to 128 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0 - VMOVDQA state1StoreAVX2, BB0 - VMOVDQA state2StoreAVX2, CC0 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VMOVDQA DD0, DD1 - -sealAVX2Tail128LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealAVX2Tail128LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0 - VPALIGNR $8, CC0, CC0, CC0 - VPALIGNR $12, DD0, DD0, DD0 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0 - VPALIGNR $8, CC0, CC0, CC0 - VPALIGNR $4, DD0, DD0, DD0 - DECQ itr1 - JG sealAVX2Tail128LoopA - DECQ itr2 - JGE sealAVX2Tail128LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA1 - VPADDD state1StoreAVX2, BB0, BB1 - VPADDD state2StoreAVX2, CC0, CC1 - VPADDD DD1, DD0, DD1 - - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 - JMP sealAVX2ShortSealLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext -sealAVX2Tail256: - // Need to decrypt up to 256 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA ·chacha20Constants<>(SB), AA1 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA state1StoreAVX2, BB1 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA state2StoreAVX2, CC1 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA DD0, TT1 - VMOVDQA DD1, TT2 - -sealAVX2Tail256LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealAVX2Tail256LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr1 - JG sealAVX2Tail256LoopA - DECQ itr2 - JGE sealAVX2Tail256LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 - VPERM2I128 $0x02, CC0, DD0, TT1 - VPERM2I128 $0x13, AA0, BB0, TT2 - VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - MOVQ $128, itr1 - LEAQ 128(inp), inp - SUBQ $128, inl - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 - - JMP sealAVX2SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 384 bytes of ciphertext -sealAVX2Tail384: - // Need to decrypt up to 384 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA DD0, TT1; VMOVDQA DD1, TT2; VMOVDQA DD2, TT3 - -sealAVX2Tail384LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealAVX2Tail384LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr1 - JG sealAVX2Tail384LoopA - DECQ itr2 - JGE sealAVX2Tail384LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1; VPADDD TT3, DD2, DD2 - VPERM2I128 $0x02, AA0, BB0, TT0 - VPERM2I128 $0x02, CC0, DD0, TT1 - VPERM2I128 $0x13, AA0, BB0, TT2 - VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, TT0 - VPERM2I128 $0x02, CC1, DD1, TT1 - VPERM2I128 $0x13, AA1, BB1, TT2 - VPERM2I128 $0x13, CC1, DD1, TT3 - VPXOR (4*32)(inp), TT0, TT0; VPXOR (5*32)(inp), TT1, TT1; VPXOR (6*32)(inp), TT2, TT2; VPXOR (7*32)(inp), TT3, TT3 - VMOVDQU TT0, (4*32)(oup); VMOVDQU TT1, (5*32)(oup); VMOVDQU TT2, (6*32)(oup); VMOVDQU TT3, (7*32)(oup) - MOVQ $256, itr1 - LEAQ 256(inp), inp - SUBQ $256, inl - VPERM2I128 $0x02, AA2, BB2, AA0 - VPERM2I128 $0x02, CC2, DD2, BB0 - VPERM2I128 $0x13, AA2, BB2, CC0 - VPERM2I128 $0x13, CC2, DD2, DD0 - - JMP sealAVX2SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 512 bytes of ciphertext -sealAVX2Tail512: - // Need to decrypt up to 512 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - -sealAVX2Tail512LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - -sealAVX2Tail512LoopB: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyAdd(0*8(oup)) - polyMulAVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ (4*8)(oup), oup - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - - DECQ itr1 - JG sealAVX2Tail512LoopA - DECQ itr2 - JGE sealAVX2Tail512LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3 - VPXOR (0*32)(inp), CC3, CC3 - VMOVDQU CC3, (0*32)(oup) - VPERM2I128 $0x02, CC0, DD0, CC3 - VPXOR (1*32)(inp), CC3, CC3 - VMOVDQU CC3, (1*32)(oup) - VPERM2I128 $0x13, AA0, BB0, CC3 - VPXOR (2*32)(inp), CC3, CC3 - VMOVDQU CC3, (2*32)(oup) - VPERM2I128 $0x13, CC0, DD0, CC3 - VPXOR (3*32)(inp), CC3, CC3 - VMOVDQU CC3, (3*32)(oup) - - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - - VPERM2I128 $0x02, AA2, BB2, AA0 - VPERM2I128 $0x02, CC2, DD2, BB0 - VPERM2I128 $0x13, AA2, BB2, CC0 - VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - - MOVQ $384, itr1 - LEAQ 384(inp), inp - SUBQ $384, inl - VPERM2I128 $0x02, AA3, BB3, AA0 - VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0 - VPERM2I128 $0x13, AA3, BB3, CC0 - VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - - JMP sealAVX2SealHash - -// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) -TEXT ·cpuid(SB), NOSPLIT, $0-24 - MOVL eaxArg+0(FP), AX - MOVL ecxArg+4(FP), CX - CPUID - MOVL AX, eax+8(FP) - MOVL BX, ebx+12(FP) - MOVL CX, ecx+16(FP) - MOVL DX, edx+20(FP) - RET - -// func xgetbv() (eax, edx uint32) -TEXT ·xgetbv(SB),NOSPLIT,$0-8 - MOVL $0, CX - XGETBV - MOVL AX, eax+0(FP) - MOVL DX, edx+4(FP) - RET diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_generic.go b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_generic.go deleted file mode 100644 index 4ac014f..0000000 --- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_generic.go +++ /dev/null @@ -1,70 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package chacha20poly1305 - -import ( - "encoding/binary" - - "golang.org/x/crypto/internal/chacha20" - "golang.org/x/crypto/poly1305" -) - -func roundTo16(n int) int { - return 16 * ((n + 15) / 16) -} - -func (c *chacha20poly1305) sealGeneric(dst, nonce, plaintext, additionalData []byte) []byte { - var counter [16]byte - copy(counter[4:], nonce) - - var polyKey [32]byte - chacha20.XORKeyStream(polyKey[:], polyKey[:], &counter, &c.key) - - ret, out := sliceForAppend(dst, len(plaintext)+poly1305.TagSize) - counter[0] = 1 - chacha20.XORKeyStream(out, plaintext, &counter, &c.key) - - polyInput := make([]byte, roundTo16(len(additionalData))+roundTo16(len(plaintext))+8+8) - copy(polyInput, additionalData) - copy(polyInput[roundTo16(len(additionalData)):], out[:len(plaintext)]) - binary.LittleEndian.PutUint64(polyInput[len(polyInput)-16:], uint64(len(additionalData))) - binary.LittleEndian.PutUint64(polyInput[len(polyInput)-8:], uint64(len(plaintext))) - - var tag [poly1305.TagSize]byte - poly1305.Sum(&tag, polyInput, &polyKey) - copy(out[len(plaintext):], tag[:]) - - return ret -} - -func (c *chacha20poly1305) openGeneric(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) { - var tag [poly1305.TagSize]byte - copy(tag[:], ciphertext[len(ciphertext)-16:]) - ciphertext = ciphertext[:len(ciphertext)-16] - - var counter [16]byte - copy(counter[4:], nonce) - - var polyKey [32]byte - chacha20.XORKeyStream(polyKey[:], polyKey[:], &counter, &c.key) - - polyInput := make([]byte, roundTo16(len(additionalData))+roundTo16(len(ciphertext))+8+8) - copy(polyInput, additionalData) - copy(polyInput[roundTo16(len(additionalData)):], ciphertext) - binary.LittleEndian.PutUint64(polyInput[len(polyInput)-16:], uint64(len(additionalData))) - binary.LittleEndian.PutUint64(polyInput[len(polyInput)-8:], uint64(len(ciphertext))) - - ret, out := sliceForAppend(dst, len(ciphertext)) - if !poly1305.Verify(&tag, polyInput, &polyKey) { - for i := range out { - out[i] = 0 - } - return nil, errOpen - } - - counter[0] = 1 - chacha20.XORKeyStream(out, ciphertext, &counter, &c.key) - return ret, nil -} diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_noasm.go b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_noasm.go deleted file mode 100644 index 4c2eb70..0000000 --- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_noasm.go +++ /dev/null @@ -1,15 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build !amd64 !go1.7 gccgo appengine - -package chacha20poly1305 - -func (c *chacha20poly1305) seal(dst, nonce, plaintext, additionalData []byte) []byte { - return c.sealGeneric(dst, nonce, plaintext, additionalData) -} - -func (c *chacha20poly1305) open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) { - return c.openGeneric(dst, nonce, ciphertext, additionalData) -} diff --git a/vendor/golang.org/x/crypto/internal/chacha20/chacha_generic.go b/vendor/golang.org/x/crypto/internal/chacha20/chacha_generic.go deleted file mode 100644 index 0f8efdb..0000000 --- a/vendor/golang.org/x/crypto/internal/chacha20/chacha_generic.go +++ /dev/null @@ -1,198 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package ChaCha20 implements the core ChaCha20 function as specified in https://tools.ietf.org/html/rfc7539#section-2.3. -package chacha20 - -import "encoding/binary" - -const rounds = 20 - -// core applies the ChaCha20 core function to 16-byte input in, 32-byte key k, -// and 16-byte constant c, and puts the result into 64-byte array out. -func core(out *[64]byte, in *[16]byte, k *[32]byte) { - j0 := uint32(0x61707865) - j1 := uint32(0x3320646e) - j2 := uint32(0x79622d32) - j3 := uint32(0x6b206574) - j4 := binary.LittleEndian.Uint32(k[0:4]) - j5 := binary.LittleEndian.Uint32(k[4:8]) - j6 := binary.LittleEndian.Uint32(k[8:12]) - j7 := binary.LittleEndian.Uint32(k[12:16]) - j8 := binary.LittleEndian.Uint32(k[16:20]) - j9 := binary.LittleEndian.Uint32(k[20:24]) - j10 := binary.LittleEndian.Uint32(k[24:28]) - j11 := binary.LittleEndian.Uint32(k[28:32]) - j12 := binary.LittleEndian.Uint32(in[0:4]) - j13 := binary.LittleEndian.Uint32(in[4:8]) - j14 := binary.LittleEndian.Uint32(in[8:12]) - j15 := binary.LittleEndian.Uint32(in[12:16]) - - x0, x1, x2, x3, x4, x5, x6, x7 := j0, j1, j2, j3, j4, j5, j6, j7 - x8, x9, x10, x11, x12, x13, x14, x15 := j8, j9, j10, j11, j12, j13, j14, j15 - - for i := 0; i < rounds; i += 2 { - x0 += x4 - x12 ^= x0 - x12 = (x12 << 16) | (x12 >> (16)) - x8 += x12 - x4 ^= x8 - x4 = (x4 << 12) | (x4 >> (20)) - x0 += x4 - x12 ^= x0 - x12 = (x12 << 8) | (x12 >> (24)) - x8 += x12 - x4 ^= x8 - x4 = (x4 << 7) | (x4 >> (25)) - x1 += x5 - x13 ^= x1 - x13 = (x13 << 16) | (x13 >> 16) - x9 += x13 - x5 ^= x9 - x5 = (x5 << 12) | (x5 >> 20) - x1 += x5 - x13 ^= x1 - x13 = (x13 << 8) | (x13 >> 24) - x9 += x13 - x5 ^= x9 - x5 = (x5 << 7) | (x5 >> 25) - x2 += x6 - x14 ^= x2 - x14 = (x14 << 16) | (x14 >> 16) - x10 += x14 - x6 ^= x10 - x6 = (x6 << 12) | (x6 >> 20) - x2 += x6 - x14 ^= x2 - x14 = (x14 << 8) | (x14 >> 24) - x10 += x14 - x6 ^= x10 - x6 = (x6 << 7) | (x6 >> 25) - x3 += x7 - x15 ^= x3 - x15 = (x15 << 16) | (x15 >> 16) - x11 += x15 - x7 ^= x11 - x7 = (x7 << 12) | (x7 >> 20) - x3 += x7 - x15 ^= x3 - x15 = (x15 << 8) | (x15 >> 24) - x11 += x15 - x7 ^= x11 - x7 = (x7 << 7) | (x7 >> 25) - x0 += x5 - x15 ^= x0 - x15 = (x15 << 16) | (x15 >> 16) - x10 += x15 - x5 ^= x10 - x5 = (x5 << 12) | (x5 >> 20) - x0 += x5 - x15 ^= x0 - x15 = (x15 << 8) | (x15 >> 24) - x10 += x15 - x5 ^= x10 - x5 = (x5 << 7) | (x5 >> 25) - x1 += x6 - x12 ^= x1 - x12 = (x12 << 16) | (x12 >> 16) - x11 += x12 - x6 ^= x11 - x6 = (x6 << 12) | (x6 >> 20) - x1 += x6 - x12 ^= x1 - x12 = (x12 << 8) | (x12 >> 24) - x11 += x12 - x6 ^= x11 - x6 = (x6 << 7) | (x6 >> 25) - x2 += x7 - x13 ^= x2 - x13 = (x13 << 16) | (x13 >> 16) - x8 += x13 - x7 ^= x8 - x7 = (x7 << 12) | (x7 >> 20) - x2 += x7 - x13 ^= x2 - x13 = (x13 << 8) | (x13 >> 24) - x8 += x13 - x7 ^= x8 - x7 = (x7 << 7) | (x7 >> 25) - x3 += x4 - x14 ^= x3 - x14 = (x14 << 16) | (x14 >> 16) - x9 += x14 - x4 ^= x9 - x4 = (x4 << 12) | (x4 >> 20) - x3 += x4 - x14 ^= x3 - x14 = (x14 << 8) | (x14 >> 24) - x9 += x14 - x4 ^= x9 - x4 = (x4 << 7) | (x4 >> 25) - } - - x0 += j0 - x1 += j1 - x2 += j2 - x3 += j3 - x4 += j4 - x5 += j5 - x6 += j6 - x7 += j7 - x8 += j8 - x9 += j9 - x10 += j10 - x11 += j11 - x12 += j12 - x13 += j13 - x14 += j14 - x15 += j15 - - binary.LittleEndian.PutUint32(out[0:4], x0) - binary.LittleEndian.PutUint32(out[4:8], x1) - binary.LittleEndian.PutUint32(out[8:12], x2) - binary.LittleEndian.PutUint32(out[12:16], x3) - binary.LittleEndian.PutUint32(out[16:20], x4) - binary.LittleEndian.PutUint32(out[20:24], x5) - binary.LittleEndian.PutUint32(out[24:28], x6) - binary.LittleEndian.PutUint32(out[28:32], x7) - binary.LittleEndian.PutUint32(out[32:36], x8) - binary.LittleEndian.PutUint32(out[36:40], x9) - binary.LittleEndian.PutUint32(out[40:44], x10) - binary.LittleEndian.PutUint32(out[44:48], x11) - binary.LittleEndian.PutUint32(out[48:52], x12) - binary.LittleEndian.PutUint32(out[52:56], x13) - binary.LittleEndian.PutUint32(out[56:60], x14) - binary.LittleEndian.PutUint32(out[60:64], x15) -} - -// XORKeyStream crypts bytes from in to out using the given key and counters. -// In and out must overlap entirely or not at all. Counter contains the raw -// ChaCha20 counter bytes (i.e. block counter followed by nonce). -func XORKeyStream(out, in []byte, counter *[16]byte, key *[32]byte) { - var block [64]byte - var counterCopy [16]byte - copy(counterCopy[:], counter[:]) - - for len(in) >= 64 { - core(&block, &counterCopy, key) - for i, x := range block { - out[i] = in[i] ^ x - } - u := uint32(1) - for i := 0; i < 4; i++ { - u += uint32(counterCopy[i]) - counterCopy[i] = byte(u) - u >>= 8 - } - in = in[64:] - out = out[64:] - } - - if len(in) > 0 { - core(&block, &counterCopy, key) - for i, v := range in { - out[i] = v ^ block[i] - } - } -} diff --git a/vendor/golang.org/x/crypto/poly1305/poly1305.go b/vendor/golang.org/x/crypto/poly1305/poly1305.go deleted file mode 100644 index f562fa5..0000000 --- a/vendor/golang.org/x/crypto/poly1305/poly1305.go +++ /dev/null @@ -1,33 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -/* -Package poly1305 implements Poly1305 one-time message authentication code as -specified in https://cr.yp.to/mac/poly1305-20050329.pdf. - -Poly1305 is a fast, one-time authentication function. It is infeasible for an -attacker to generate an authenticator for a message without the key. However, a -key must only be used for a single message. Authenticating two different -messages with the same key allows an attacker to forge authenticators for other -messages with the same key. - -Poly1305 was originally coupled with AES in order to make Poly1305-AES. AES was -used with a fixed key in order to generate one-time keys from an nonce. -However, in this package AES isn't used and the one-time key is specified -directly. -*/ -package poly1305 // import "golang.org/x/crypto/poly1305" - -import "crypto/subtle" - -// TagSize is the size, in bytes, of a poly1305 authenticator. -const TagSize = 16 - -// Verify returns true if mac is a valid authenticator for m with the given -// key. -func Verify(mac *[16]byte, m []byte, key *[32]byte) bool { - var tmp [16]byte - Sum(&tmp, m, key) - return subtle.ConstantTimeCompare(tmp[:], mac[:]) == 1 -} diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go b/vendor/golang.org/x/crypto/poly1305/sum_amd64.go deleted file mode 100644 index 4dd72fe..0000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build amd64,!gccgo,!appengine - -package poly1305 - -// This function is implemented in sum_amd64.s -//go:noescape -func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]byte) - -// Sum generates an authenticator for m using a one-time key and puts the -// 16-byte result into out. Authenticating two different messages with the same -// key allows an attacker to forge messages at will. -func Sum(out *[16]byte, m []byte, key *[32]byte) { - var mPtr *byte - if len(m) > 0 { - mPtr = &m[0] - } - poly1305(out, mPtr, uint64(len(m)), key) -} diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s b/vendor/golang.org/x/crypto/poly1305/sum_amd64.s deleted file mode 100644 index 2edae63..0000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s +++ /dev/null @@ -1,125 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build amd64,!gccgo,!appengine - -#include "textflag.h" - -#define POLY1305_ADD(msg, h0, h1, h2) \ - ADDQ 0(msg), h0; \ - ADCQ 8(msg), h1; \ - ADCQ $1, h2; \ - LEAQ 16(msg), msg - -#define POLY1305_MUL(h0, h1, h2, r0, r1, t0, t1, t2, t3) \ - MOVQ r0, AX; \ - MULQ h0; \ - MOVQ AX, t0; \ - MOVQ DX, t1; \ - MOVQ r0, AX; \ - MULQ h1; \ - ADDQ AX, t1; \ - ADCQ $0, DX; \ - MOVQ r0, t2; \ - IMULQ h2, t2; \ - ADDQ DX, t2; \ - \ - MOVQ r1, AX; \ - MULQ h0; \ - ADDQ AX, t1; \ - ADCQ $0, DX; \ - MOVQ DX, h0; \ - MOVQ r1, t3; \ - IMULQ h2, t3; \ - MOVQ r1, AX; \ - MULQ h1; \ - ADDQ AX, t2; \ - ADCQ DX, t3; \ - ADDQ h0, t2; \ - ADCQ $0, t3; \ - \ - MOVQ t0, h0; \ - MOVQ t1, h1; \ - MOVQ t2, h2; \ - ANDQ $3, h2; \ - MOVQ t2, t0; \ - ANDQ $0xFFFFFFFFFFFFFFFC, t0; \ - ADDQ t0, h0; \ - ADCQ t3, h1; \ - ADCQ $0, h2; \ - SHRQ $2, t3, t2; \ - SHRQ $2, t3; \ - ADDQ t2, h0; \ - ADCQ t3, h1; \ - ADCQ $0, h2 - -DATA ·poly1305Mask<>+0x00(SB)/8, $0x0FFFFFFC0FFFFFFF -DATA ·poly1305Mask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC -GLOBL ·poly1305Mask<>(SB), RODATA, $16 - -// func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]key) -TEXT ·poly1305(SB), $0-32 - MOVQ out+0(FP), DI - MOVQ m+8(FP), SI - MOVQ mlen+16(FP), R15 - MOVQ key+24(FP), AX - - MOVQ 0(AX), R11 - MOVQ 8(AX), R12 - ANDQ ·poly1305Mask<>(SB), R11 // r0 - ANDQ ·poly1305Mask<>+8(SB), R12 // r1 - XORQ R8, R8 // h0 - XORQ R9, R9 // h1 - XORQ R10, R10 // h2 - - CMPQ R15, $16 - JB bytes_between_0_and_15 - -loop: - POLY1305_ADD(SI, R8, R9, R10) - -multiply: - POLY1305_MUL(R8, R9, R10, R11, R12, BX, CX, R13, R14) - SUBQ $16, R15 - CMPQ R15, $16 - JAE loop - -bytes_between_0_and_15: - TESTQ R15, R15 - JZ done - MOVQ $1, BX - XORQ CX, CX - XORQ R13, R13 - ADDQ R15, SI - -flush_buffer: - SHLQ $8, BX, CX - SHLQ $8, BX - MOVB -1(SI), R13 - XORQ R13, BX - DECQ SI - DECQ R15 - JNZ flush_buffer - - ADDQ BX, R8 - ADCQ CX, R9 - ADCQ $0, R10 - MOVQ $16, R15 - JMP multiply - -done: - MOVQ R8, AX - MOVQ R9, BX - SUBQ $0xFFFFFFFFFFFFFFFB, AX - SBBQ $0xFFFFFFFFFFFFFFFF, BX - SBBQ $3, R10 - CMOVQCS R8, AX - CMOVQCS R9, BX - MOVQ key+24(FP), R8 - ADDQ 16(R8), AX - ADCQ 24(R8), BX - - MOVQ AX, 0(DI) - MOVQ BX, 8(DI) - RET diff --git a/vendor/golang.org/x/crypto/poly1305/sum_arm.go b/vendor/golang.org/x/crypto/poly1305/sum_arm.go deleted file mode 100644 index 5dc321c..0000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_arm.go +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build arm,!gccgo,!appengine,!nacl - -package poly1305 - -// This function is implemented in sum_arm.s -//go:noescape -func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, key *[32]byte) - -// Sum generates an authenticator for m using a one-time key and puts the -// 16-byte result into out. Authenticating two different messages with the same -// key allows an attacker to forge messages at will. -func Sum(out *[16]byte, m []byte, key *[32]byte) { - var mPtr *byte - if len(m) > 0 { - mPtr = &m[0] - } - poly1305_auth_armv6(out, mPtr, uint32(len(m)), key) -} diff --git a/vendor/golang.org/x/crypto/poly1305/sum_arm.s b/vendor/golang.org/x/crypto/poly1305/sum_arm.s deleted file mode 100644 index f70b4ac..0000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_arm.s +++ /dev/null @@ -1,427 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build arm,!gccgo,!appengine,!nacl - -#include "textflag.h" - -// This code was translated into a form compatible with 5a from the public -// domain source by Andrew Moon: github.com/floodyberry/poly1305-opt/blob/master/app/extensions/poly1305. - -DATA ·poly1305_init_constants_armv6<>+0x00(SB)/4, $0x3ffffff -DATA ·poly1305_init_constants_armv6<>+0x04(SB)/4, $0x3ffff03 -DATA ·poly1305_init_constants_armv6<>+0x08(SB)/4, $0x3ffc0ff -DATA ·poly1305_init_constants_armv6<>+0x0c(SB)/4, $0x3f03fff -DATA ·poly1305_init_constants_armv6<>+0x10(SB)/4, $0x00fffff -GLOBL ·poly1305_init_constants_armv6<>(SB), 8, $20 - -// Warning: the linker may use R11 to synthesize certain instructions. Please -// take care and verify that no synthetic instructions use it. - -TEXT poly1305_init_ext_armv6<>(SB), NOSPLIT, $0 - // Needs 16 bytes of stack and 64 bytes of space pointed to by R0. (It - // might look like it's only 60 bytes of space but the final four bytes - // will be written by another function.) We need to skip over four - // bytes of stack because that's saving the value of 'g'. - ADD $4, R13, R8 - MOVM.IB [R4-R7], (R8) - MOVM.IA.W (R1), [R2-R5] - MOVW $·poly1305_init_constants_armv6<>(SB), R7 - MOVW R2, R8 - MOVW R2>>26, R9 - MOVW R3>>20, g - MOVW R4>>14, R11 - MOVW R5>>8, R12 - ORR R3<<6, R9, R9 - ORR R4<<12, g, g - ORR R5<<18, R11, R11 - MOVM.IA (R7), [R2-R6] - AND R8, R2, R2 - AND R9, R3, R3 - AND g, R4, R4 - AND R11, R5, R5 - AND R12, R6, R6 - MOVM.IA.W [R2-R6], (R0) - EOR R2, R2, R2 - EOR R3, R3, R3 - EOR R4, R4, R4 - EOR R5, R5, R5 - EOR R6, R6, R6 - MOVM.IA.W [R2-R6], (R0) - MOVM.IA.W (R1), [R2-R5] - MOVM.IA [R2-R6], (R0) - ADD $20, R13, R0 - MOVM.DA (R0), [R4-R7] - RET - -#define MOVW_UNALIGNED(Rsrc, Rdst, Rtmp, offset) \ - MOVBU (offset+0)(Rsrc), Rtmp; \ - MOVBU Rtmp, (offset+0)(Rdst); \ - MOVBU (offset+1)(Rsrc), Rtmp; \ - MOVBU Rtmp, (offset+1)(Rdst); \ - MOVBU (offset+2)(Rsrc), Rtmp; \ - MOVBU Rtmp, (offset+2)(Rdst); \ - MOVBU (offset+3)(Rsrc), Rtmp; \ - MOVBU Rtmp, (offset+3)(Rdst) - -TEXT poly1305_blocks_armv6<>(SB), NOSPLIT, $0 - // Needs 24 bytes of stack for saved registers and then 88 bytes of - // scratch space after that. We assume that 24 bytes at (R13) have - // already been used: four bytes for the link register saved in the - // prelude of poly1305_auth_armv6, four bytes for saving the value of g - // in that function and 16 bytes of scratch space used around - // poly1305_finish_ext_armv6_skip1. - ADD $24, R13, R12 - MOVM.IB [R4-R8, R14], (R12) - MOVW R0, 88(R13) - MOVW R1, 92(R13) - MOVW R2, 96(R13) - MOVW R1, R14 - MOVW R2, R12 - MOVW 56(R0), R8 - WORD $0xe1180008 // TST R8, R8 not working see issue 5921 - EOR R6, R6, R6 - MOVW.EQ $(1<<24), R6 - MOVW R6, 84(R13) - ADD $116, R13, g - MOVM.IA (R0), [R0-R9] - MOVM.IA [R0-R4], (g) - CMP $16, R12 - BLO poly1305_blocks_armv6_done - -poly1305_blocks_armv6_mainloop: - WORD $0xe31e0003 // TST R14, #3 not working see issue 5921 - BEQ poly1305_blocks_armv6_mainloop_aligned - ADD $100, R13, g - MOVW_UNALIGNED(R14, g, R0, 0) - MOVW_UNALIGNED(R14, g, R0, 4) - MOVW_UNALIGNED(R14, g, R0, 8) - MOVW_UNALIGNED(R14, g, R0, 12) - MOVM.IA (g), [R0-R3] - ADD $16, R14 - B poly1305_blocks_armv6_mainloop_loaded - -poly1305_blocks_armv6_mainloop_aligned: - MOVM.IA.W (R14), [R0-R3] - -poly1305_blocks_armv6_mainloop_loaded: - MOVW R0>>26, g - MOVW R1>>20, R11 - MOVW R2>>14, R12 - MOVW R14, 92(R13) - MOVW R3>>8, R4 - ORR R1<<6, g, g - ORR R2<<12, R11, R11 - ORR R3<<18, R12, R12 - BIC $0xfc000000, R0, R0 - BIC $0xfc000000, g, g - MOVW 84(R13), R3 - BIC $0xfc000000, R11, R11 - BIC $0xfc000000, R12, R12 - ADD R0, R5, R5 - ADD g, R6, R6 - ORR R3, R4, R4 - ADD R11, R7, R7 - ADD $116, R13, R14 - ADD R12, R8, R8 - ADD R4, R9, R9 - MOVM.IA (R14), [R0-R4] - MULLU R4, R5, (R11, g) - MULLU R3, R5, (R14, R12) - MULALU R3, R6, (R11, g) - MULALU R2, R6, (R14, R12) - MULALU R2, R7, (R11, g) - MULALU R1, R7, (R14, R12) - ADD R4<<2, R4, R4 - ADD R3<<2, R3, R3 - MULALU R1, R8, (R11, g) - MULALU R0, R8, (R14, R12) - MULALU R0, R9, (R11, g) - MULALU R4, R9, (R14, R12) - MOVW g, 76(R13) - MOVW R11, 80(R13) - MOVW R12, 68(R13) - MOVW R14, 72(R13) - MULLU R2, R5, (R11, g) - MULLU R1, R5, (R14, R12) - MULALU R1, R6, (R11, g) - MULALU R0, R6, (R14, R12) - MULALU R0, R7, (R11, g) - MULALU R4, R7, (R14, R12) - ADD R2<<2, R2, R2 - ADD R1<<2, R1, R1 - MULALU R4, R8, (R11, g) - MULALU R3, R8, (R14, R12) - MULALU R3, R9, (R11, g) - MULALU R2, R9, (R14, R12) - MOVW g, 60(R13) - MOVW R11, 64(R13) - MOVW R12, 52(R13) - MOVW R14, 56(R13) - MULLU R0, R5, (R11, g) - MULALU R4, R6, (R11, g) - MULALU R3, R7, (R11, g) - MULALU R2, R8, (R11, g) - MULALU R1, R9, (R11, g) - ADD $52, R13, R0 - MOVM.IA (R0), [R0-R7] - MOVW g>>26, R12 - MOVW R4>>26, R14 - ORR R11<<6, R12, R12 - ORR R5<<6, R14, R14 - BIC $0xfc000000, g, g - BIC $0xfc000000, R4, R4 - ADD.S R12, R0, R0 - ADC $0, R1, R1 - ADD.S R14, R6, R6 - ADC $0, R7, R7 - MOVW R0>>26, R12 - MOVW R6>>26, R14 - ORR R1<<6, R12, R12 - ORR R7<<6, R14, R14 - BIC $0xfc000000, R0, R0 - BIC $0xfc000000, R6, R6 - ADD R14<<2, R14, R14 - ADD.S R12, R2, R2 - ADC $0, R3, R3 - ADD R14, g, g - MOVW R2>>26, R12 - MOVW g>>26, R14 - ORR R3<<6, R12, R12 - BIC $0xfc000000, g, R5 - BIC $0xfc000000, R2, R7 - ADD R12, R4, R4 - ADD R14, R0, R0 - MOVW R4>>26, R12 - BIC $0xfc000000, R4, R8 - ADD R12, R6, R9 - MOVW 96(R13), R12 - MOVW 92(R13), R14 - MOVW R0, R6 - CMP $32, R12 - SUB $16, R12, R12 - MOVW R12, 96(R13) - BHS poly1305_blocks_armv6_mainloop - -poly1305_blocks_armv6_done: - MOVW 88(R13), R12 - MOVW R5, 20(R12) - MOVW R6, 24(R12) - MOVW R7, 28(R12) - MOVW R8, 32(R12) - MOVW R9, 36(R12) - ADD $48, R13, R0 - MOVM.DA (R0), [R4-R8, R14] - RET - -#define MOVHUP_UNALIGNED(Rsrc, Rdst, Rtmp) \ - MOVBU.P 1(Rsrc), Rtmp; \ - MOVBU.P Rtmp, 1(Rdst); \ - MOVBU.P 1(Rsrc), Rtmp; \ - MOVBU.P Rtmp, 1(Rdst) - -#define MOVWP_UNALIGNED(Rsrc, Rdst, Rtmp) \ - MOVHUP_UNALIGNED(Rsrc, Rdst, Rtmp); \ - MOVHUP_UNALIGNED(Rsrc, Rdst, Rtmp) - -// func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, key *[32]key) -TEXT ·poly1305_auth_armv6(SB), $196-16 - // The value 196, just above, is the sum of 64 (the size of the context - // structure) and 132 (the amount of stack needed). - // - // At this point, the stack pointer (R13) has been moved down. It - // points to the saved link register and there's 196 bytes of free - // space above it. - // - // The stack for this function looks like: - // - // +--------------------- - // | - // | 64 bytes of context structure - // | - // +--------------------- - // | - // | 112 bytes for poly1305_blocks_armv6 - // | - // +--------------------- - // | 16 bytes of final block, constructed at - // | poly1305_finish_ext_armv6_skip8 - // +--------------------- - // | four bytes of saved 'g' - // +--------------------- - // | lr, saved by prelude <- R13 points here - // +--------------------- - MOVW g, 4(R13) - - MOVW out+0(FP), R4 - MOVW m+4(FP), R5 - MOVW mlen+8(FP), R6 - MOVW key+12(FP), R7 - - ADD $136, R13, R0 // 136 = 4 + 4 + 16 + 112 - MOVW R7, R1 - - // poly1305_init_ext_armv6 will write to the stack from R13+4, but - // that's ok because none of the other values have been written yet. - BL poly1305_init_ext_armv6<>(SB) - BIC.S $15, R6, R2 - BEQ poly1305_auth_armv6_noblocks - ADD $136, R13, R0 - MOVW R5, R1 - ADD R2, R5, R5 - SUB R2, R6, R6 - BL poly1305_blocks_armv6<>(SB) - -poly1305_auth_armv6_noblocks: - ADD $136, R13, R0 - MOVW R5, R1 - MOVW R6, R2 - MOVW R4, R3 - - MOVW R0, R5 - MOVW R1, R6 - MOVW R2, R7 - MOVW R3, R8 - AND.S R2, R2, R2 - BEQ poly1305_finish_ext_armv6_noremaining - EOR R0, R0 - ADD $8, R13, R9 // 8 = offset to 16 byte scratch space - MOVW R0, (R9) - MOVW R0, 4(R9) - MOVW R0, 8(R9) - MOVW R0, 12(R9) - WORD $0xe3110003 // TST R1, #3 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_aligned - WORD $0xe3120008 // TST R2, #8 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip8 - MOVWP_UNALIGNED(R1, R9, g) - MOVWP_UNALIGNED(R1, R9, g) - -poly1305_finish_ext_armv6_skip8: - WORD $0xe3120004 // TST $4, R2 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip4 - MOVWP_UNALIGNED(R1, R9, g) - -poly1305_finish_ext_armv6_skip4: - WORD $0xe3120002 // TST $2, R2 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip2 - MOVHUP_UNALIGNED(R1, R9, g) - B poly1305_finish_ext_armv6_skip2 - -poly1305_finish_ext_armv6_aligned: - WORD $0xe3120008 // TST R2, #8 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip8_aligned - MOVM.IA.W (R1), [g-R11] - MOVM.IA.W [g-R11], (R9) - -poly1305_finish_ext_armv6_skip8_aligned: - WORD $0xe3120004 // TST $4, R2 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip4_aligned - MOVW.P 4(R1), g - MOVW.P g, 4(R9) - -poly1305_finish_ext_armv6_skip4_aligned: - WORD $0xe3120002 // TST $2, R2 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip2 - MOVHU.P 2(R1), g - MOVH.P g, 2(R9) - -poly1305_finish_ext_armv6_skip2: - WORD $0xe3120001 // TST $1, R2 not working see issue 5921 - BEQ poly1305_finish_ext_armv6_skip1 - MOVBU.P 1(R1), g - MOVBU.P g, 1(R9) - -poly1305_finish_ext_armv6_skip1: - MOVW $1, R11 - MOVBU R11, 0(R9) - MOVW R11, 56(R5) - MOVW R5, R0 - ADD $8, R13, R1 - MOVW $16, R2 - BL poly1305_blocks_armv6<>(SB) - -poly1305_finish_ext_armv6_noremaining: - MOVW 20(R5), R0 - MOVW 24(R5), R1 - MOVW 28(R5), R2 - MOVW 32(R5), R3 - MOVW 36(R5), R4 - MOVW R4>>26, R12 - BIC $0xfc000000, R4, R4 - ADD R12<<2, R12, R12 - ADD R12, R0, R0 - MOVW R0>>26, R12 - BIC $0xfc000000, R0, R0 - ADD R12, R1, R1 - MOVW R1>>26, R12 - BIC $0xfc000000, R1, R1 - ADD R12, R2, R2 - MOVW R2>>26, R12 - BIC $0xfc000000, R2, R2 - ADD R12, R3, R3 - MOVW R3>>26, R12 - BIC $0xfc000000, R3, R3 - ADD R12, R4, R4 - ADD $5, R0, R6 - MOVW R6>>26, R12 - BIC $0xfc000000, R6, R6 - ADD R12, R1, R7 - MOVW R7>>26, R12 - BIC $0xfc000000, R7, R7 - ADD R12, R2, g - MOVW g>>26, R12 - BIC $0xfc000000, g, g - ADD R12, R3, R11 - MOVW $-(1<<26), R12 - ADD R11>>26, R12, R12 - BIC $0xfc000000, R11, R11 - ADD R12, R4, R9 - MOVW R9>>31, R12 - SUB $1, R12 - AND R12, R6, R6 - AND R12, R7, R7 - AND R12, g, g - AND R12, R11, R11 - AND R12, R9, R9 - MVN R12, R12 - AND R12, R0, R0 - AND R12, R1, R1 - AND R12, R2, R2 - AND R12, R3, R3 - AND R12, R4, R4 - ORR R6, R0, R0 - ORR R7, R1, R1 - ORR g, R2, R2 - ORR R11, R3, R3 - ORR R9, R4, R4 - ORR R1<<26, R0, R0 - MOVW R1>>6, R1 - ORR R2<<20, R1, R1 - MOVW R2>>12, R2 - ORR R3<<14, R2, R2 - MOVW R3>>18, R3 - ORR R4<<8, R3, R3 - MOVW 40(R5), R6 - MOVW 44(R5), R7 - MOVW 48(R5), g - MOVW 52(R5), R11 - ADD.S R6, R0, R0 - ADC.S R7, R1, R1 - ADC.S g, R2, R2 - ADC.S R11, R3, R3 - MOVM.IA [R0-R3], (R8) - MOVW R5, R12 - EOR R0, R0, R0 - EOR R1, R1, R1 - EOR R2, R2, R2 - EOR R3, R3, R3 - EOR R4, R4, R4 - EOR R5, R5, R5 - EOR R6, R6, R6 - EOR R7, R7, R7 - MOVM.IA.W [R0-R7], (R12) - MOVM.IA [R0-R7], (R12) - MOVW 4(R13), g - RET diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ref.go b/vendor/golang.org/x/crypto/poly1305/sum_ref.go deleted file mode 100644 index b2805a5..0000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_ref.go +++ /dev/null @@ -1,141 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build !amd64,!arm gccgo appengine nacl - -package poly1305 - -import "encoding/binary" - -// Sum generates an authenticator for msg using a one-time key and puts the -// 16-byte result into out. Authenticating two different messages with the same -// key allows an attacker to forge messages at will. -func Sum(out *[TagSize]byte, msg []byte, key *[32]byte) { - var ( - h0, h1, h2, h3, h4 uint32 // the hash accumulators - r0, r1, r2, r3, r4 uint64 // the r part of the key - ) - - r0 = uint64(binary.LittleEndian.Uint32(key[0:]) & 0x3ffffff) - r1 = uint64((binary.LittleEndian.Uint32(key[3:]) >> 2) & 0x3ffff03) - r2 = uint64((binary.LittleEndian.Uint32(key[6:]) >> 4) & 0x3ffc0ff) - r3 = uint64((binary.LittleEndian.Uint32(key[9:]) >> 6) & 0x3f03fff) - r4 = uint64((binary.LittleEndian.Uint32(key[12:]) >> 8) & 0x00fffff) - - R1, R2, R3, R4 := r1*5, r2*5, r3*5, r4*5 - - for len(msg) >= TagSize { - // h += msg - h0 += binary.LittleEndian.Uint32(msg[0:]) & 0x3ffffff - h1 += (binary.LittleEndian.Uint32(msg[3:]) >> 2) & 0x3ffffff - h2 += (binary.LittleEndian.Uint32(msg[6:]) >> 4) & 0x3ffffff - h3 += (binary.LittleEndian.Uint32(msg[9:]) >> 6) & 0x3ffffff - h4 += (binary.LittleEndian.Uint32(msg[12:]) >> 8) | (1 << 24) - - // h *= r - d0 := (uint64(h0) * r0) + (uint64(h1) * R4) + (uint64(h2) * R3) + (uint64(h3) * R2) + (uint64(h4) * R1) - d1 := (d0 >> 26) + (uint64(h0) * r1) + (uint64(h1) * r0) + (uint64(h2) * R4) + (uint64(h3) * R3) + (uint64(h4) * R2) - d2 := (d1 >> 26) + (uint64(h0) * r2) + (uint64(h1) * r1) + (uint64(h2) * r0) + (uint64(h3) * R4) + (uint64(h4) * R3) - d3 := (d2 >> 26) + (uint64(h0) * r3) + (uint64(h1) * r2) + (uint64(h2) * r1) + (uint64(h3) * r0) + (uint64(h4) * R4) - d4 := (d3 >> 26) + (uint64(h0) * r4) + (uint64(h1) * r3) + (uint64(h2) * r2) + (uint64(h3) * r1) + (uint64(h4) * r0) - - // h %= p - h0 = uint32(d0) & 0x3ffffff - h1 = uint32(d1) & 0x3ffffff - h2 = uint32(d2) & 0x3ffffff - h3 = uint32(d3) & 0x3ffffff - h4 = uint32(d4) & 0x3ffffff - - h0 += uint32(d4>>26) * 5 - h1 += h0 >> 26 - h0 = h0 & 0x3ffffff - - msg = msg[TagSize:] - } - - if len(msg) > 0 { - var block [TagSize]byte - off := copy(block[:], msg) - block[off] = 0x01 - - // h += msg - h0 += binary.LittleEndian.Uint32(block[0:]) & 0x3ffffff - h1 += (binary.LittleEndian.Uint32(block[3:]) >> 2) & 0x3ffffff - h2 += (binary.LittleEndian.Uint32(block[6:]) >> 4) & 0x3ffffff - h3 += (binary.LittleEndian.Uint32(block[9:]) >> 6) & 0x3ffffff - h4 += (binary.LittleEndian.Uint32(block[12:]) >> 8) - - // h *= r - d0 := (uint64(h0) * r0) + (uint64(h1) * R4) + (uint64(h2) * R3) + (uint64(h3) * R2) + (uint64(h4) * R1) - d1 := (d0 >> 26) + (uint64(h0) * r1) + (uint64(h1) * r0) + (uint64(h2) * R4) + (uint64(h3) * R3) + (uint64(h4) * R2) - d2 := (d1 >> 26) + (uint64(h0) * r2) + (uint64(h1) * r1) + (uint64(h2) * r0) + (uint64(h3) * R4) + (uint64(h4) * R3) - d3 := (d2 >> 26) + (uint64(h0) * r3) + (uint64(h1) * r2) + (uint64(h2) * r1) + (uint64(h3) * r0) + (uint64(h4) * R4) - d4 := (d3 >> 26) + (uint64(h0) * r4) + (uint64(h1) * r3) + (uint64(h2) * r2) + (uint64(h3) * r1) + (uint64(h4) * r0) - - // h %= p - h0 = uint32(d0) & 0x3ffffff - h1 = uint32(d1) & 0x3ffffff - h2 = uint32(d2) & 0x3ffffff - h3 = uint32(d3) & 0x3ffffff - h4 = uint32(d4) & 0x3ffffff - - h0 += uint32(d4>>26) * 5 - h1 += h0 >> 26 - h0 = h0 & 0x3ffffff - } - - // h %= p reduction - h2 += h1 >> 26 - h1 &= 0x3ffffff - h3 += h2 >> 26 - h2 &= 0x3ffffff - h4 += h3 >> 26 - h3 &= 0x3ffffff - h0 += 5 * (h4 >> 26) - h4 &= 0x3ffffff - h1 += h0 >> 26 - h0 &= 0x3ffffff - - // h - p - t0 := h0 + 5 - t1 := h1 + (t0 >> 26) - t2 := h2 + (t1 >> 26) - t3 := h3 + (t2 >> 26) - t4 := h4 + (t3 >> 26) - (1 << 26) - t0 &= 0x3ffffff - t1 &= 0x3ffffff - t2 &= 0x3ffffff - t3 &= 0x3ffffff - - // select h if h < p else h - p - t_mask := (t4 >> 31) - 1 - h_mask := ^t_mask - h0 = (h0 & h_mask) | (t0 & t_mask) - h1 = (h1 & h_mask) | (t1 & t_mask) - h2 = (h2 & h_mask) | (t2 & t_mask) - h3 = (h3 & h_mask) | (t3 & t_mask) - h4 = (h4 & h_mask) | (t4 & t_mask) - - // h %= 2^128 - h0 |= h1 << 26 - h1 = ((h1 >> 6) | (h2 << 20)) - h2 = ((h2 >> 12) | (h3 << 14)) - h3 = ((h3 >> 18) | (h4 << 8)) - - // s: the s part of the key - // tag = (h + s) % (2^128) - t := uint64(h0) + uint64(binary.LittleEndian.Uint32(key[16:])) - h0 = uint32(t) - t = uint64(h1) + uint64(binary.LittleEndian.Uint32(key[20:])) + (t >> 32) - h1 = uint32(t) - t = uint64(h2) + uint64(binary.LittleEndian.Uint32(key[24:])) + (t >> 32) - h2 = uint32(t) - t = uint64(h3) + uint64(binary.LittleEndian.Uint32(key[28:])) + (t >> 32) - h3 = uint32(t) - - binary.LittleEndian.PutUint32(out[0:], h0) - binary.LittleEndian.PutUint32(out[4:], h1) - binary.LittleEndian.PutUint32(out[8:], h2) - binary.LittleEndian.PutUint32(out[12:], h3) -} From b34c689aa28fc85b94166736f1e7d1650f8cfe96 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C5=81ukasz=20Opasiak?= Date: Fri, 8 Feb 2019 10:25:03 +0100 Subject: [PATCH 2/4] Update travis to use go 1.11 --- .travis.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.travis.yml b/.travis.yml index 61e47a8..cfec2a7 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,7 +1,7 @@ language: go go: - - 1.9 + - 1.11.x install: - make install-tools From a5fa83b5dd1fdd3444f31da400b7a09b6ced2538 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C5=81ukasz=20Opasiak?= Date: Fri, 8 Feb 2019 10:37:59 +0100 Subject: [PATCH 3/4] Add GO111MODULE=on env to travis config --- .travis.yml | 3 +++ go.mod | 2 ++ go.sum | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/.travis.yml b/.travis.yml index cfec2a7..a10ff3a 100644 --- a/.travis.yml +++ b/.travis.yml @@ -3,6 +3,9 @@ language: go go: - 1.11.x +env: + - GO111MODULES=on + install: - make install-tools diff --git a/go.mod b/go.mod index d94a21f..568eefd 100644 --- a/go.mod +++ b/go.mod @@ -1,6 +1,8 @@ module github.com/wirepair/netcode require ( + github.com/GeertJohan/fgt v0.0.0-20160120143236-262f7b11eec0 // indirect golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 golang.org/x/sys v0.0.0-20190204203706-41f3e6584952 // indirect + golang.org/x/tools v0.0.0-20190206221403-44bcb96178d3 // indirect ) diff --git a/go.sum b/go.sum index b90d64f..7289e64 100644 --- a/go.sum +++ b/go.sum @@ -1,4 +1,8 @@ +github.com/GeertJohan/fgt v0.0.0-20160120143236-262f7b11eec0 h1:onmsMcmF/EIYUxqy4bWwV/tmPhJx6Y3bBNlnwANFhS4= +github.com/GeertJohan/fgt v0.0.0-20160120143236-262f7b11eec0/go.mod h1:VTH/oZwsQNNdzVhP2R366GZGFfksyOchw5rcIj2QpLI= golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 h1:MQ/ZZiDsUapFFiMS+vzwXkCTeEKaum+Do5rINYJDmxc= golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/sys v0.0.0-20190204203706-41f3e6584952 h1:FDfvYgoVsA7TTZSbgiqjAbfPbK47CNHdWl3h/PJtii0= golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/tools v0.0.0-20190206221403-44bcb96178d3 h1:M9mD7d4inzK0+YbTneZEs9Y+q1B1zLv8YxJDJ6hFgnY= +golang.org/x/tools v0.0.0-20190206221403-44bcb96178d3/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= From f91cdefa035d140742ea81d75e932c5443e2eea1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C5=81ukasz=20Opasiak?= Date: Fri, 8 Feb 2019 10:41:35 +0100 Subject: [PATCH 4/4] Fix misspell in GO111MODULE env variable --- .travis.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.travis.yml b/.travis.yml index a10ff3a..54b9b17 100644 --- a/.travis.yml +++ b/.travis.yml @@ -4,7 +4,7 @@ go: - 1.11.x env: - - GO111MODULES=on + - GO111MODULE=on install: - make install-tools