diff --git a/Cargo.lock b/Cargo.lock
index 4bad827..aed2be6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 4
 
 [[package]]
 name = "aead"
-version = "0.6.0-rc.8"
+version = "0.6.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc2b86f658b0f536411ee61c10cec8376f83375b0c98bdc6a640e249f01549d0"
+checksum = "6b657e772794c6b04730ea897b66a058ccd866c16d1967da05eeeecec39043fe"
 dependencies = [
  "crypto-common",
  "inout",
@@ -14,21 +14,21 @@ dependencies = [
 
 [[package]]
 name = "aes"
-version = "0.9.0-rc.2"
+version = "0.9.0-rc.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd9e1c818b25efb32214df89b0ec22f01aa397aaeb718d1022bf0635a3bfd1a8"
+checksum = "04097e08a47d9ad181c2e1f4a5fabc9ae06ce8839a333ba9a949bcb0d31fd2a3"
 dependencies = [
- "cfg-if",
  "cipher",
+ "cpubits",
  "cpufeatures",
  "zeroize",
 ]
 
 [[package]]
 name = "aes-gcm"
-version = "0.11.0-rc.2"
+version = "0.11.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f5c07f414d7dc0755870f84c7900425360288d24e0eae4836f9dee19a30fa5f"
+checksum = "e22c0c90bbe8d4f77c3ca9ddabe41a1f8382d6fc1f7cea89459d0f320371f972"
 dependencies = [
  "aead",
  "aes",
@@ -41,9 +41,9 @@ dependencies = [
 
 [[package]]
 name = "argon2"
-version = "0.6.0-rc.6"
+version = "0.6.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39b5afeb474438603309cd6e638f6baff5b8f4eb4605d63c761516712e044e5c"
+checksum = "5cc32af0fde8095068147d01a5dfbc0e0b06307924138d992df7c8f18d34c585"
 dependencies = [
  "base64ct",
  "blake2",
@@ -71,9 +71,9 @@ checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
 [[package]]
 name = "bcrypt-pbkdf"
-version = "0.11.0-rc.3"
+version = "0.11.0-rc.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f77aa83b547cf80cbf9591df43bec6f18f8303cfab26883b1b2d9ad039f9bfe4"
+checksum = "1dd80936d4a1ae6919e782d45e4ccb5928bf6d742d588ab8350b1417addcd325"
 dependencies = [
  "blowfish",
  "pbkdf2",
@@ -82,9 +82,9 @@ dependencies = [
 
 [[package]]
 name = "blake2"
-version = "0.11.0-rc.3"
+version = "0.11.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "679065eb2b85a078ace42411e657bef3a6afe93a40d1b9cb04e39ca303cc3f36"
+checksum = "d52965399b470437fc7f4d4b51134668dbc96573fea6f1b83318a420e4605745"
 dependencies = [
  "digest",
 ]
@@ -110,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "blowfish"
-version = "0.10.0-rc.2"
+version = "0.10.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ecfb049d43f70154a8a232d709710dc7350bda1fa7d0e539a252f0938adad8e"
+checksum = "e68258100c60364f089766a8de37b8382136bab19abe6086627dfb324cf095c7"
 dependencies = [
  "byteorder",
  "cipher",
@@ -132,9 +132,9 @@ checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
 
 [[package]]
 name = "cbc"
-version = "0.2.0-rc.2"
+version = "0.2.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c34a745c272d1f6124df3006881364190a8f033ff3857ce196a17aa4a753096"
+checksum = "85742c5f1d0dda799d2e582c76b82b817d3e4d6434dd285e48e90ed0c963b667"
 dependencies = [
  "cipher",
 ]
@@ -147,9 +147,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "chacha20"
-version = "0.10.0-rc.9"
+version = "0.10.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c81d916c6ae06736ec667b51f95ee5ff660a75f4ea6ce1bd932c942365c0ea43"
+checksum = "c536927023d1c432e6e23a25ef45f6756094eac2ab460db5fb17a772acdfd312"
 dependencies = [
  "cfg-if",
  "cipher",
@@ -160,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.5.0-rc.6"
+version = "0.5.0-rc.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba4d87abf4032a6d927f84b71af5086128a3349b929b4501c51a0fe0981a937"
+checksum = "9002c8edb9b1e21938663da3489c9c4403bba2393997fb2ecbd401386c0e71dc"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -182,6 +182,12 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
 
+[[package]]
+name = "cpubits"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ef0c543070d296ea414df2dd7625d1b24866ce206709d8a4a424f28377f5861"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -193,10 +199,11 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-rc.22"
+version = "0.7.0-rc.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "053c3561863ce55e3226ecc48b08679f4b66cb1b92b9afb42c2c402dfe8b9b51"
+checksum = "cba9eeeb213f7fd29353032f71f7c173e5f6d95d85151cb3a47197b0ea7e8be7"
 dependencies = [
+ "cpubits",
  "ctutils",
  "hybrid-array",
  "num-traits",
@@ -208,9 +215,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.2.0-rc.13"
+version = "0.2.0-rc.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7722afd27468475c9b6063dc03a57ef2ca833816981619f8ebe64d38d207eef"
+checksum = "6f8441110cea75afde0b89a8d796e2bc67b23432f5a9566cb15d9d365d91a2b0"
 dependencies = [
  "hybrid-array",
  "rand_core",
@@ -229,9 +236,9 @@ dependencies = [
 
 [[package]]
 name = "ctr"
-version = "0.10.0-rc.2"
+version = "0.10.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d0ec605a95e78815a4c4b8040217d56d5a1ab37043851ee9e7e65b89afa00e3"
+checksum = "65ea71550d18331d179854662ab330bb54306b9b56020d0466aae2a58f4e17c1"
 dependencies = [
  "cipher",
 ]
@@ -249,8 +256,7 @@ dependencies = [
 [[package]]
 name = "curve25519-dalek"
 version = "5.0.0-pre.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a434aec7908df6ca86cda069864d7686aea8afad979aadc9e30e50ac3e40b45a"
+source = "git+https://github.com/dalek-cryptography/curve25519-dalek#ea475248aec83dc319765974350d4731f2660731"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -284,18 +290,18 @@ dependencies = [
 
 [[package]]
 name = "des"
-version = "0.9.0-rc.2"
+version = "0.9.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "512ca722eff02fa73c43e5136f440c46f861d41f9dd7761c1f2817a5ca5d9ad7"
+checksum = "3214053e68a813b9c06ef61075c844f3a1cdeb307d8998ea8555c063caa52fa9"
 dependencies = [
  "cipher",
 ]
 
 [[package]]
 name = "digest"
-version = "0.11.0-rc.9"
+version = "0.11.0-rc.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bff8de092798697546237a3a701e4174fe021579faec9b854379af9bf1e31962"
+checksum = "02b42f1d9edf5207c137646b568a0168ca0ec25b7f9eaf7f9961da51a3d91cea"
 dependencies = [
  "block-buffer",
  "const-oid",
@@ -305,9 +311,9 @@ dependencies = [
 
 [[package]]
 name = "dsa"
-version = "0.7.0-rc.11"
+version = "0.7.0-rc.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c3eba9e80ed870bde8fbd018338932a3b59cf67d3b0d6a1e3c538e0047e879f"
+checksum = "5995fdb6fe48cf93a88c2520eb18b4a871567fb5c2561cf2f2494e216e32805d"
 dependencies = [
  "crypto-bigint",
  "crypto-primes",
@@ -321,9 +327,9 @@ dependencies = [
 
 [[package]]
 name = "ecdsa"
-version = "0.17.0-rc.14"
+version = "0.17.0-rc.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e5676a9322ce14a73b65930ef95139fb8c41df02dfa610a3a5928a52f9ae4ee"
+checksum = "91bbdd377139884fafcad8dc43a760a3e1e681aa26db910257fa6535b70e1829"
 dependencies = [
  "der",
  "digest",
@@ -356,9 +362,9 @@ dependencies = [
 
 [[package]]
 name = "elliptic-curve"
-version = "0.14.0-rc.24"
+version = "0.14.0-rc.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0f6cc67cc39a00bce2c6f8f8aced0e8c0a06eb1a30f9dd2a9c9f4618bdf3b4"
+checksum = "bde7860544606d222fd6bd6d9f9a0773321bf78072a637e1d560a058c0031978"
 dependencies = [
  "base16ct",
  "crypto-bigint",
@@ -381,9 +387,9 @@ checksum = "64cd1e32ddd350061ae6edb1b082d7c54915b5c672c389143b9a63403a109f24"
 
 [[package]]
 name = "ghash"
-version = "0.6.0-rc.3"
+version = "0.6.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "333de57ed9494a40df4bbb866752b100819dde0d18f2264c48f5a08a85fe673d"
+checksum = "f484be0236661c5ba22d445ed75d3624ba5544541c647549f867fb576e55b2a2"
 dependencies = [
  "polyval",
 ]
@@ -402,9 +408,9 @@ checksum = "e712f64ec3850b98572bffac52e2c6f282b29fe6c5fa6d42334b30be438d95c1"
 
 [[package]]
 name = "hmac"
-version = "0.13.0-rc.4"
+version = "0.13.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9956e202a691c5c86c60303a421f66f93f44b29433407b7c43cf2bebadc750e"
+checksum = "ef451d73f36d8a3f93ad32c332ea01146c9650e1ec821a9b0e46c01277d544f8"
 dependencies = [
  "digest",
 ]
@@ -453,9 +459,9 @@ dependencies = [
 
 [[package]]
 name = "p256"
-version = "0.14.0-rc.6"
+version = "0.14.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de1286c2d38465adf5a7d970766796c1fb343172c58fd70f69e8d96e7d9dcbe4"
+checksum = "018bfbb86e05fd70a83e985921241035ee09fcd369c4a2c3680b389a01d2ad28"
 dependencies = [
  "ecdsa",
  "elliptic-curve",
@@ -466,9 +472,9 @@ dependencies = [
 
 [[package]]
 name = "p384"
-version = "0.14.0-rc.6"
+version = "0.14.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b7574cab645ebcc13db3a531ae853d369e786270efd8b7fdb61de5c9328438d"
+checksum = "8c91df688211f5957dbe2ab599dcbcaade8d6d3cdc15c5b350d350d7d07ce423"
 dependencies = [
  "ecdsa",
  "elliptic-curve",
@@ -480,9 +486,9 @@ dependencies = [
 
 [[package]]
 name = "p521"
-version = "0.14.0-rc.6"
+version = "0.14.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa943740d30f154f6370223a510d5111d08528bf857cb61359048e61983b3eb0"
+checksum = "de6cd9451de522549d36cc78a1b45a699a3d55a872e8ea0c8f0318e502d99e2c"
 dependencies = [
  "base16ct",
  "ecdsa",
@@ -494,18 +500,18 @@ dependencies = [
 
 [[package]]
 name = "password-hash"
-version = "0.6.0-rc.11"
+version = "0.6.0-rc.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "856b64c3c87d737f723456e6e399adcb471e5446f42ba3d1e4f50a81d894b274"
+checksum = "5fa9e3d1c7b6f3e230b60fa44adc855cb8e24eede37236621f2cc1940d95564f"
 dependencies = [
  "phc",
 ]
 
 [[package]]
 name = "pbkdf2"
-version = "0.13.0-rc.8"
+version = "0.13.0-rc.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "626220f48328b90cad8393e99e9ef80503970e6e86e77f32f7e42227972e7c2c"
+checksum = "c8dfa4e14084d963d35bfb4cdb38712cde78dcf83054c0e8b9b8e899150f374e"
 dependencies = [
  "digest",
 ]
@@ -531,9 +537,9 @@ dependencies = [
 
 [[package]]
 name = "poly1305"
-version = "0.9.0-rc.3"
+version = "0.9.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9c0749ae91cfe6e68c77c4d48802d9720ee06aed3f7100a38975fb0962d50bc"
+checksum = "518693a4015fbfd281debf35bcac145ba2e180ae325ec855fdb405be0b2971fb"
 dependencies = [
  "cpufeatures",
  "universal-hash",
@@ -542,20 +548,20 @@ dependencies = [
 
 [[package]]
 name = "polyval"
-version = "0.7.0-rc.3"
+version = "0.7.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad60831c19edda4b20878a676595c357e93a9b4e6dca2ba98d75b01066b317b"
+checksum = "63641a86fddf4b5274f31c43734458ec7acd3133016dbaa37e4e247e1e9acd46"
 dependencies = [
- "cfg-if",
+ "cpubits",
  "cpufeatures",
  "universal-hash",
 ]
 
 [[package]]
 name = "primefield"
-version = "0.14.0-rc.6"
+version = "0.14.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40d00b69a9bd66d09004e2db633068d5af00435f6e673838e50f2944b8033ec8"
+checksum = "93401c13cc7ff24684571cfca9d3cf9ebabfaf3d4b7b9963ade41ec54da196b5"
 dependencies = [
  "crypto-bigint",
  "crypto-common",
@@ -567,9 +573,9 @@ dependencies = [
 
 [[package]]
 name = "primeorder"
-version = "0.14.0-rc.6"
+version = "0.14.0-rc.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "156aeda78c4a7e86701563514573bc28f127eec880bfa6a22efc4b8139b1c049"
+checksum = "a0c5c8a39bcd764bfedf456e8d55e115fe86dda3e0f555371849f2a41cbc9706"
 dependencies = [
  "elliptic-curve",
 ]
@@ -594,15 +600,15 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.10.0-rc-6"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70765ff7112b0fb2d272d24d9a2f907fc206211304328fe58b2db15a5649ef28"
+checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
 
 [[package]]
 name = "rfc6979"
-version = "0.5.0-rc.3"
+version = "0.5.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63b8e2323084c987a72875b2fd682b7307d5cf14d47e3875bb5e89948e8809d4"
+checksum = "23a3127ee32baec36af75b4107082d9bd823501ec14a4e016be4b6b37faa74ae"
 dependencies = [
  "hmac",
  "subtle",
@@ -610,9 +616,9 @@ dependencies = [
 
 [[package]]
 name = "rsa"
-version = "0.10.0-rc.14"
+version = "0.10.0-rc.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef381dd6f207f81aff2ee3a8264eddd68ba475bbfcdb44ca445e5906bce381b"
+checksum = "1b342b99544549f37509ed7fd42b0cea04bfd9ce07c16ca56094cf0fbeefbbcd"
 dependencies = [
  "const-oid",
  "crypto-bigint",
@@ -635,9 +641,9 @@ dependencies = [
 
 [[package]]
 name = "rustcrypto-ff"
-version = "0.14.0-pre.1"
+version = "0.14.0-rc.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36fdf8f956089df8343b9479045c026932f9eb004d0f32d8497b4d133b316a66"
+checksum = "c5db129183b2c139d7d87d08be57cba626c715789db17aec65c8866bfd767d1f"
 dependencies = [
  "rand_core",
  "subtle",
@@ -645,9 +651,9 @@ dependencies = [
 
 [[package]]
 name = "rustcrypto-group"
-version = "0.14.0-pre.1"
+version = "0.14.0-rc.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df76d08c12814c794ffe95ac788b48081cccb607fade4ed746825d29791ce538"
+checksum = "57c4b1463f274a3ff6fb2f44da43e576cb9424367bd96f185ead87b52fe00523"
 dependencies = [
  "rand_core",
  "rustcrypto-ff",
@@ -715,9 +721,9 @@ dependencies = [
 
 [[package]]
 name = "sha1"
-version = "0.11.0-rc.4"
+version = "0.11.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c777f0a122a53fddb0beb6e706771197000b8eb5c9f42b5b850f450ef48c788"
+checksum = "3b167252f3c126be0d8926639c4c4706950f01445900c4b3db0fd7e89fcb750a"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -726,9 +732,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.11.0-rc.4"
+version = "0.11.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7535f94fa3339fe9e5e9be6260a909e62af97f6e14b32345ccf79b92b8b81233"
+checksum = "7c5f3b1e2dc8aad28310d8410bd4d7e180eca65fca176c52ab00d364475d0024"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -737,9 +743,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "3.0.0-rc.9"
+version = "3.0.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ad0ce3b3f8efd7406f22e2ca5d02be21cdf3b3d1d53ab141f784de8965c7c7e"
+checksum = "7f1880df446116126965eeec169136b2e0251dba37c6223bcc819569550edea3"
 dependencies = [
  "digest",
  "rand_core",
@@ -856,9 +862,9 @@ checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
 [[package]]
 name = "universal-hash"
-version = "0.6.0-rc.4"
+version = "0.6.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0386f227888b17b65d3e38219a7d41185035471300855c285667811907bb1677"
+checksum = "058482a494bb3c9c39447d8b40a3a0f38ebb3dccaf02c5a2d681e69035f8da11"
 dependencies = [
  "crypto-common",
  "subtle",
diff --git a/Cargo.toml b/Cargo.toml
index e08f27c..3110642 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,3 +16,5 @@ ssh-cipher = { path = "./ssh-cipher" }
 ssh-derive = { path = "./ssh-derive" }
 ssh-encoding = { path = "./ssh-encoding" }
 ssh-key = { path = "./ssh-key" }
+
+curve25519-dalek = { git = "https://github.com/dalek-cryptography/curve25519-dalek" }
diff --git a/ssh-cipher/Cargo.toml b/ssh-cipher/Cargo.toml
index 1e979df..736d1ee 100644
--- a/ssh-cipher/Cargo.toml
+++ b/ssh-cipher/Cargo.toml
@@ -23,14 +23,14 @@ cipher = "0.5.0-rc.6"
 encoding = { package = "ssh-encoding", version = "0.3.0-rc.6" }
 
 # optional dependencies
-aead = { version = "0.6.0-rc.8", optional = true, default-features = false }
-aes = { version = "0.9.0-rc.2", optional = true, default-features = false }
-aes-gcm = { version = "0.11.0-rc.2", optional = true, default-features = false, features = ["aes"] }
-cbc = { version = "0.2.0-rc.2", optional = true }
-ctr = { version = "0.10.0-rc.2", optional = true, default-features = false }
-chacha20 = { version = "0.10.0-rc.9", optional = true, default-features = false, features = ["cipher", "legacy"] }
-des = { version = "0.9.0-rc.2", optional = true, default-features = false }
-poly1305 = { version = "0.9.0-rc.3", optional = true, default-features = false }
+aead = { version = "0.6.0-rc.10", optional = true, default-features = false }
+aes = { version = "0.9.0-rc.4", optional = true, default-features = false }
+aes-gcm = { version = "0.11.0-rc.3", optional = true, default-features = false, features = ["aes"] }
+cbc = { version = "0.2.0-rc.3", optional = true }
+ctr = { version = "0.10.0-rc.3", optional = true, default-features = false }
+chacha20 = { version = "0.10.0-rc.10", optional = true, default-features = false, features = ["cipher", "legacy"] }
+des = { version = "0.9.0-rc.3", optional = true, default-features = false }
+poly1305 = { version = "0.9.0-rc.5", optional = true, default-features = false }
 subtle = { version = "2", optional = true, default-features = false }
 zeroize = { version = "1", optional = true, default-features = false }
 
diff --git a/ssh-encoding/Cargo.toml b/ssh-encoding/Cargo.toml
index 7654eeb..6dc3098 100644
--- a/ssh-encoding/Cargo.toml
+++ b/ssh-encoding/Cargo.toml
@@ -17,9 +17,9 @@ rust-version = "1.85"
 
 [dependencies]
 base64ct = { version = "1.8", optional = true }
-bigint = { package = "crypto-bigint", version = "0.7.0-rc.22", optional = true, default-features = false, features = ["alloc"] }
+bigint = { package = "crypto-bigint", version = "0.7.0-rc.25", optional = true, default-features = false, features = ["alloc"] }
 bytes = { version = "1", optional = true, default-features = false }
-digest = { version = "0.11.0-rc.9", optional = true, default-features = false }
+digest = { version = "0.11.0-rc.11", optional = true, default-features = false }
 pem-rfc7468 = { version = "1", optional = true }
 ssh-derive = { version = "0.3.0-rc.0", optional = true }
 subtle = { version = "2", optional = true, default-features = false }
diff --git a/ssh-key/Cargo.toml b/ssh-key/Cargo.toml
index 23feee8..a302134 100644
--- a/ssh-key/Cargo.toml
+++ b/ssh-key/Cargo.toml
@@ -30,30 +30,30 @@ package = "ssh-encoding"
 features = ["base64", "digest", "pem", "subtle", "zeroize"]
 
 [dependencies]
-sha2 = { version = "0.11.0-rc.4", default-features = false }
-signature = { version = "3.0.0-rc.9", default-features = false }
+sha2 = { version = "0.11.0-rc.5", default-features = false }
+signature = { version = "3.0.0-rc.10", default-features = false }
 subtle = { version = "2", default-features = false }
 zeroize = { version = "1", default-features = false }
 
 # optional dependencies
-argon2 = { version = "0.6.0-rc.6", optional = true, default-features = false, features = ["alloc"] }
-bcrypt-pbkdf = { version = "0.11.0-rc.3", optional = true, default-features = false, features = ["alloc"] }
-dsa = { version = "0.7.0-rc.11", optional = true, default-features = false, features = ["hazmat"] }
+argon2 = { version = "0.6.0-rc.7", optional = true, default-features = false, features = ["alloc"] }
+bcrypt-pbkdf = { version = "0.11.0-rc.6", optional = true, default-features = false, features = ["alloc"] }
+dsa = { version = "0.7.0-rc.12", optional = true, default-features = false, features = ["hazmat"] }
 ed25519-dalek = { version = "=3.0.0-pre.5", optional = true, default-features = false }
 hex = { version = "0.4", optional = true, default-features = false, features = ["alloc"] }
-hmac = { version = "0.13.0-rc.4", optional = true }
-p256 = { version = "0.14.0-rc.6", optional = true, default-features = false, features = ["ecdsa"] }
-p384 = { version = "0.14.0-rc.6", optional = true, default-features = false, features = ["ecdsa"] }
-p521 = { version = "0.14.0-rc.6", optional = true, default-features = false, features = ["ecdsa"] }
-rand_core = { version = "0.10.0-rc-6", optional = true, default-features = false }
-rsa = { version = "0.10.0-rc.14", optional = true, default-features = false, features = ["sha2"] }
+hmac = { version = "0.13.0-rc.5", optional = true }
+p256 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["ecdsa"] }
+p384 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["ecdsa"] }
+p521 = { version = "0.14.0-rc.7", optional = true, default-features = false, features = ["ecdsa"] }
+rand_core = { version = "0.10", optional = true, default-features = false }
+rsa = { version = "0.10.0-rc.15", optional = true, default-features = false, features = ["sha2"] }
 sec1 = { version = "0.8.0-rc.13", optional = true, default-features = false, features = ["point"] }
 serde = { version = "1.0.16", optional = true }
-sha1 = { version = "0.11.0-rc.4", optional = true, default-features = false, features = ["oid"] }
+sha1 = { version = "0.11.0-rc.5", optional = true, default-features = false, features = ["oid"] }
 
 [dev-dependencies]
 hex-literal = "1"
-chacha20 = { version = "0.10.0-rc.9", features = ["rng"] }
+chacha20 = { version = "0.10.0-rc.10", features = ["rng"] }
 
 [features]
 default = ["ecdsa", "rand_core", "std"]
diff --git a/ssh-key/src/private/ecdsa.rs b/ssh-key/src/private/ecdsa.rs
index b5567ae..8fb51fe 100644
--- a/ssh-key/src/private/ecdsa.rs
+++ b/ssh-key/src/private/ecdsa.rs
@@ -14,7 +14,7 @@ use rand_core::CryptoRng;
     feature = "rand_core",
     any(feature = "p256", feature = "p384", feature = "p521")
 ))]
-use cipher::cipher::crypto_common::Generate;
+use cipher::cipher::common::Generate;
 
 /// Elliptic Curve Digital Signature Algorithm (ECDSA) private key.
 #[derive(Clone)]
diff --git a/ssh-key/src/public/ecdsa.rs b/ssh-key/src/public/ecdsa.rs
index cf6c42c..054403b 100644
--- a/ssh-key/src/public/ecdsa.rs
+++ b/ssh-key/src/public/ecdsa.rs
@@ -173,8 +173,7 @@ macro_rules! impl_ecdsa_for_curve {
             fn try_from(public_key: &EcdsaPublicKey) -> Result<$krate::ecdsa::VerifyingKey> {
                 match public_key {
                     EcdsaPublicKey::$curve(key) => {
-                        $krate::ecdsa::VerifyingKey::from_encoded_point(key)
-                            .map_err(|_| Error::Crypto)
+                        $krate::ecdsa::VerifyingKey::from_sec1_point(key).map_err(|_| Error::Crypto)
                     }
                     _ => Err(Error::AlgorithmUnknown),
                 }
@@ -191,7 +190,7 @@ macro_rules! impl_ecdsa_for_curve {
         #[cfg(feature = $feature)]
         impl From<&$krate::ecdsa::VerifyingKey> for EcdsaPublicKey {
             fn from(key: &$krate::ecdsa::VerifyingKey) -> EcdsaPublicKey {
-                EcdsaPublicKey::$curve(key.to_encoded_point(false))
+                EcdsaPublicKey::$curve(key.to_sec1_point(false))
             }
         }
     };
diff --git a/ssh-key/src/signature.rs b/ssh-key/src/signature.rs
index 6b19bda..aab3f02 100644
--- a/ssh-key/src/signature.rs
+++ b/ssh-key/src/signature.rs
@@ -459,7 +459,7 @@ impl Verifier<Signature> for public::SkEcdsaSha2NistP256 {
     fn verify(&self, message: &[u8], signature: &Signature) -> signature::Result<()> {
         let (signature_bytes, flags_and_counter) = split_sk_signature(signature)?;
         let signature = p256_signature_from_openssh_bytes(signature_bytes)?;
-        p256::ecdsa::VerifyingKey::from_encoded_point(self.ec_point())?.verify(
+        p256::ecdsa::VerifyingKey::from_sec1_point(self.ec_point())?.verify(
             &make_sk_signed_data(self.application(), flags_and_counter, message),
             &signature,
         )