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pkcs8: add PrivateKeyInfo.attributes [0] IMPLICIT reader #1783

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Merged
tarcieri merged 1 commit into from
Apr 25, 2025
Merged

pkcs8: add PrivateKeyInfo.attributes [0] IMPLICIT reader #1783

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9 changes: 8 additions & 1 deletion pkcs8/src/private_key_info.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use core::fmt;
use der::{
Decode, DecodeValue, Encode, EncodeValue, FixedTag, Header, Length, Reader, Sequence, TagMode,
TagNumber, Writer,
asn1::{AnyRef, BitStringRef, ContextSpecific, OctetStringRef},
asn1::{AnyRef, BitStringRef, ContextSpecific, OctetStringRef, SequenceRef},
};
use spki::AlgorithmIdentifier;

Expand All @@ -26,6 +26,9 @@ use der::pem::PemLabel;
#[cfg(feature = "subtle")]
use subtle::{Choice, ConstantTimeEq};

/// Context-specific tag number for attributes.
const ATTRIBUTES_TAG: TagNumber = TagNumber(0);

/// Context-specific tag number for the public key.
const PUBLIC_KEY_TAG: TagNumber = TagNumber(1);

Expand Down Expand Up @@ -199,6 +202,10 @@ where
let version = Version::decode(reader)?;
let algorithm = reader.decode()?;
let private_key = Key::decode(reader)?;

let _attributes =
reader.context_specific::<SequenceRef<'_>>(ATTRIBUTES_TAG, TagMode::Implicit)?;

let public_key =
reader.context_specific::<PubKey>(PUBLIC_KEY_TAG, TagMode::Implicit)?;

Expand Down