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LibWeb: Implement AES-KW in WebCryptoAPI

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Add support for AES-KW for key wrapping/unwrapping. Very similar
implementation to other AES modes.

Added generic tests for symmetric import and specific AES-KW ones.

Adds ~400 test passes on WPT. Now we do better than Firefox in
`WebCryptoAPI/wrapKey_unwrapKey`!
This commit is contained in:
devgianlu 2024-12-16 19:38:10 +01:00 • committed by Jelle Raaijmakers
parent 1d94d678b3
commit 94374f0d19
Notes: github-actions[bot] 2024-12-17 10:01:25 +00:00
13 changed files with 1640 additions and 9 deletions
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18
Libraries/LibWeb/Crypto/CryptoAlgorithms.h
View file

@ -431,6 +431,24 @@ private:
}
};
class AesKw : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<GC::Ref<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<GC::Ref<JS::Object>> export_key(Bindings::KeyFormat, GC::Ref<CryptoKey>) override;
virtual WebIDL::ExceptionOr<JS::Value> get_key_length(AlgorithmParams const&) override;
virtual WebIDL::ExceptionOr<Variant<GC::Ref<CryptoKey>, GC::Ref<CryptoKeyPair>>> generate_key(AlgorithmParams const&, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<GC::Ref<JS::ArrayBuffer>> wrap_key(AlgorithmParams const&, GC::Ref<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<GC::Ref<JS::ArrayBuffer>> unwrap_key(AlgorithmParams const&, GC::Ref<CryptoKey>, ByteBuffer const&) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new AesKw(realm)); }
private:
explicit AesKw(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
class HKDF : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<GC::Ref<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;