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LibWeb: Support the importing of ml-kem keys in raw-public format

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This commit is contained in:
Tete17
2025-12-30 23:24:39 +01:00
committed by Shannon Booth
parent 56804e7930
commit 0fc7746b96
Notes: github-actions[bot] 2026-01-06 00:08:04 +00:00 
Author: https://github.com/tete17
Commit: https://github.com/LadybirdBrowser/ladybird/commit/0fc7746b963
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7320
Reviewed-by: https://github.com/shannonbooth ✅
2 changed files with 59 additions and 33 deletions
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28
Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp
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@@ -9140,7 +9140,33 @@ WebIDL::ExceptionOr<GC::Ref<CryptoKey>> MLKEM::import_key(AlgorithmParams const&
key->set_usages(usages);
}
// FIXME: -> If format is "pkcs8":
// FIXME: -> If format is "raw-public":
// -> If format is "raw-public":
else if (key_format == Bindings::KeyFormat::RawPublic) {
// 1. If usages contains a value which is not "encapsulateKey" or "encapsulateBits" then throw a SyntaxError.
for (auto const usage : usages) {
if (usage != Bindings::KeyUsage::Encapsulatekey && usage != Bindings::KeyUsage::Encapsulatebits)
return WebIDL::SyntaxError::create(m_realm, Utf16String::formatted("Invalid key usage '{}'", idl_enum_to_string(usage)));
}
// 2. Let data be keyData.
auto const& data = key_data;
// 3. Let key be a new CryptoKey that represents the ML-KEM public key data in data.
ASSERT(data.has<ByteBuffer>());
key = CryptoKey::create(m_realm, ::Crypto::PK::MLKEMPublicKey { data.get<ByteBuffer>() });
// 4. Set the [[type]] internal slot of key to "public"
key->set_type(Bindings::KeyType::Public);
// 5. Let algorithm be a new KeyAlgorithm object.
auto algorithm = KeyAlgorithm::create(m_realm);
// 6. Set the name attribute of algorithm to the name attribute of normalizedAlgorithm.
algorithm->set_name(params.name);
// 6. Set the [[algorithm]] internal slot of key to algorithm.
key->set_algorithm(algorithm);
}
// FIXME: -> If format is "raw-seed":
// FIXME: -> If format is "jwk":
// -> Otherwise: