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LibWeb: Use ByteBuffer::copy() instead of a manual copy in SubtleCrypto
Also use the HashManager(HashKind) constructor instead of the default constructor + manual initialize() call.
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1 changed files with 3 additions and 6 deletions
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@ -59,19 +59,16 @@ JS::Promise* SubtleCrypto::digest(String const& algorithm, JS::Handle<JS::Object
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// 7. If the following steps or referenced procedures say to throw an error, reject promise with the returned error and then terminate the algorithm.
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// 8. Let result be the result of performing the digest operation specified by normalizedAlgorithm using algorithm, with data as message.
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::Crypto::Hash::Manager hash;
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hash.initialize(hash_kind);
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::Crypto::Hash::Manager hash { hash_kind };
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hash.update(*data_buffer);
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auto digest = hash.digest();
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auto const* digest_data = digest.immutable_data();
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auto result_buffer = ByteBuffer::create_zeroed(hash.digest_size());
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auto result_buffer = ByteBuffer::copy(digest.immutable_data(), hash.digest_size());
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if (!result_buffer.has_value()) {
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auto* error = wrap(wrapper()->global_object(), DOM::OperationError::create("Failed to create result buffer"));
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promise->reject(error);
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return promise;
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}
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for (size_t i = 0; i < hash.digest_size(); ++i)
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(*result_buffer)[i] = digest_data[i];
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auto* result = JS::ArrayBuffer::create(global_object, result_buffer.release_value());
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