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crypto-common: add KeyExport trait #2213

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Merged
tarcieri merged 1 commit into from
Jan 22, 2026
+8 −0
Merged

crypto-common: add KeyExport trait #2213

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2 changes: 2 additions & 0 deletions crypto-common/CHANGELOG.md
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Expand Up @@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added
- Sealed `BlockSizes` trait implemented for types from `U1` to `U255`
- `Generate` trait ([#2096])
- `KeyExport` trait ([#2213])

### Changed
- `BlockUser::BlockSize` is now bounded by the `BlockSizes` trait
Expand All @@ -20,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

[#1759]: https://github.com/RustCrypto/traits/pull/1759
[#2096]: https://github.com/RustCrypto/traits/pull/2096
[#2213]: https://github.com/RustCrypto/traits/pull/2213

## 0.1.7 (2025-11-12)
### Changed
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6 changes: 6 additions & 0 deletions crypto-common/src/lib.rs
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Expand Up @@ -156,6 +156,12 @@ pub trait AlgorithmName {
fn write_alg_name(f: &mut fmt::Formatter<'_>) -> fmt::Result;
}

/// Serialize a key to a byte array.
pub trait KeyExport: KeySizeUser {
/// Serialize this key as a byte array.
fn to_bytes(&self) -> Key<Self>;
}

/// Types which can be initialized from a key.
pub trait KeyInit: KeySizeUser + Sized {
/// Create new value from fixed size key.
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