CryptoAlgorithmAesGcmParams.h [plain text]
#pragma once
#include "BufferSource.h"
#include "CryptoAlgorithmParameters.h"
#include <wtf/Vector.h>
#if ENABLE(SUBTLE_CRYPTO)
namespace WebCore {
class CryptoAlgorithmAesGcmParams final : public CryptoAlgorithmParameters {
public:
BufferSource iv;
mutable std::optional<BufferSource::VariantType> additionalData;
mutable std::optional<uint8_t> tagLength;
Class parametersClass() const final { return Class::AesGcmParams; }
const Vector<uint8_t>& ivVector() const
{
if (!m_ivVector.isEmpty() || !iv.length())
return m_ivVector;
m_ivVector.append(iv.data(), iv.length());
return m_ivVector;
}
const Vector<uint8_t>& additionalDataVector() const
{
if (!m_additionalDataVector.isEmpty() || !additionalData)
return m_additionalDataVector;
BufferSource additionalDataBuffer = WTFMove(*additionalData);
additionalData = std::nullopt;
if (!additionalDataBuffer.length())
return m_additionalDataVector;
m_additionalDataVector.append(additionalDataBuffer.data(), additionalDataBuffer.length());
return m_additionalDataVector;
}
CryptoAlgorithmAesGcmParams isolatedCopy() const
{
CryptoAlgorithmAesGcmParams result;
result.identifier = identifier;
result.m_ivVector = ivVector();
result.m_additionalDataVector = additionalDataVector();
result.tagLength = tagLength;
return result;
}
private:
mutable Vector<uint8_t> m_ivVector;
mutable Vector<uint8_t> m_additionalDataVector;
};
}
SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(AesGcmParams)
#endif // ENABLE(SUBTLE_CRYPTO)