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LibWeb: Implement WebCrypto AES-CBC importKey operation

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This alone lets us pass around 40 WPT tests:
WebCryptoAPI/import_export/symmetric_importKey.https.any
This commit is contained in:
Ben Wiederhake 2024-10-25 05:58:30 +02:00 • committed by Andreas Kling
parent 92d4cb7b09
commit 6f88376e24
Notes: github-actions[bot] 2024-10-26 15:51:42 +00:00
5 changed files with 262 additions and 2 deletions
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33
Userland/Libraries/LibWeb/Crypto/CryptoAlgorithms.h
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@ -37,6 +37,20 @@ struct AlgorithmParams {
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#aes-cbc
struct AesCbcParams : public AlgorithmParams {
virtual ~AesCbcParams() override;
AesCbcParams(String name, ByteBuffer iv)
: AlgorithmParams(move(name))
, iv(move(iv))
{
}
ByteBuffer iv;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
};
// https://w3c.github.io/webcrypto/#hkdf-params
struct HKDFParams : public AlgorithmParams {
virtual ~HKDFParams() override;
@ -250,6 +264,24 @@ private:
}
};
class AesCbc : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> encrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> decrypt(AlgorithmParams const&, JS::NonnullGCPtr<CryptoKey>, ByteBuffer const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<CryptoKey>, JS::NonnullGCPtr<CryptoKeyPair>>> generate_key(AlgorithmParams const&, bool, Vector<Bindings::KeyUsage> const&) override;
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Object>> export_key(Bindings::KeyFormat, JS::NonnullGCPtr<CryptoKey>) override;
virtual WebIDL::ExceptionOr<JS::Value> get_key_length(AlgorithmParams const&) override;
static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new AesCbc(realm)); }
private:
explicit AesCbc(JS::Realm& realm)
: AlgorithmMethods(realm)
{
}
};
class HKDF : public AlgorithmMethods {
public:
virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
@ -326,6 +358,7 @@ private:
};
ErrorOr<String> base64_url_uint_encode(::Crypto::UnsignedBigInteger);
WebIDL::ExceptionOr<ByteBuffer> base64_url_bytes_decode(JS::Realm&, String const& base64_url_string);
WebIDL::ExceptionOr<::Crypto::UnsignedBigInteger> base64_url_uint_decode(JS::Realm&, String const& base64_url_string);
}