aead: Add AES-EAX key manager support#852
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daviddrysdale merged 1 commit intoproject-oak:mainfrom Apr 28, 2026
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Thanks for this, looks good
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There's a couple of trivial warnings from cargo +nightly fmt --all -- --check, and this will need to be rebased after #864 goes in.
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Fixed. Thanks! |
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Looks like there's still a couple of trivial line-reflow warnings from |
Implement complete AES-EAX AEAD support in the aead crate, following the patterns established by tink-cc and existing tink-rust AEAD implementations. Due to limitations in the Rust eax crate, this implementation only supports 16-byte (128-bit) IVs. tink-cc supports both 12-byte and 16-byte nonce but 16-byte is the default. Key changes: - Add eax crate from RustCrypto as dependency - Implement AesEax subtle primitive with AES-128 and AES-256 support - Implement AesEaxKeyManager with key validation and generation - Add key templates for AES-128-EAX and AES-256-EAX - Register key manager and templates in library init - Add comprehensive test coverage including wycheproof vectors For testing, I tried to match the same coverage that AES-GCM key manager has. Test coverage: - Basic encrypt/decrypt with various key and message sizes - Tag length and IV size validation - Long message tests and ciphertext modification tests - 26 wycheproof test vectors (filtered from 171 for supported params) - Key manager validation and primitive instantiation tests
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Ok, fixed that failure from the failed action. Let's see if that does it. |
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Implement complete AES-EAX AEAD support in the aead crate, following the patterns established by tink-cc and existing tink-rust AEAD implementations. Due to limitations in the Rust eax crate, this implementation only supports 16-byte (128-bit) IVs. tink-cc supports both 12-byte and 16-byte nonce but 16-byte is the default.
Key changes:
For testing, I tried to match the same coverage that AES-GCM key manager has.
Test coverage: