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#ifndef SRC_CRYPTO_CRYPTO_AES_H_
#define SRC_CRYPTO_CRYPTO_AES_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "crypto/crypto_cipher.h"
#include "crypto/crypto_keys.h"
#include "crypto/crypto_util.h"
#include "allocated_buffer.h"
#include "env.h"
#include "v8.h"
namespace node {
namespace crypto {
constexpr size_t kAesBlockSize = 16;
constexpr unsigned kNoAuthTagLength = static_cast<unsigned>(-1);
constexpr const char* kDefaultWrapIV = "\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6";
#define VARIANTS(V) \
V(CTR_128, AES_CTR_Cipher) \
V(CTR_192, AES_CTR_Cipher) \
V(CTR_256, AES_CTR_Cipher) \
V(CBC_128, AES_Cipher) \
V(CBC_192, AES_Cipher) \
V(CBC_256, AES_Cipher) \
V(GCM_128, AES_Cipher) \
V(GCM_192, AES_Cipher) \
V(GCM_256, AES_Cipher) \
V(KW_128, AES_Cipher) \
V(KW_192, AES_Cipher) \
V(KW_256, AES_Cipher)
enum AESKeyVariant {
#define V(name, _) kKeyVariantAES_ ## name,
VARIANTS(V)
#undef V
};
struct AESCipherConfig final : public MemoryRetainer {
CryptoJobMode mode;
AESKeyVariant variant;
const EVP_CIPHER* cipher;
size_t length;
ByteSource iv; // Used for both iv or counter
ByteSource additional_data;
ByteSource tag; // Used only for authenticated modes (GCM)
AESCipherConfig() = default;
AESCipherConfig(AESCipherConfig&& other) noexcept;
AESCipherConfig& operator=(AESCipherConfig&& other) noexcept;
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(AESCipherConfig)
SET_SELF_SIZE(AESCipherConfig)
};
struct AESCipherTraits final {
static constexpr const char* JobName = "AESCipherJob";
using AdditionalParameters = AESCipherConfig;
static v8::Maybe<bool> AdditionalConfig(
CryptoJobMode mode,
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int offset,
WebCryptoCipherMode cipher_mode,
AESCipherConfig* config);
static WebCryptoCipherStatus DoCipher(
Environment* env,
std::shared_ptr<KeyObjectData> key_data,
WebCryptoCipherMode cipher_mode,
const AESCipherConfig& params,
const ByteSource& in,
ByteSource* out);
};
using AESCryptoJob = CipherJob<AESCipherTraits>;
namespace AES {
void Initialize(Environment* env, v8::Local<v8::Object> target);
void RegisterExternalReferences(ExternalReferenceRegistry* registry);
} // namespace AES
} // namespace crypto
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_CRYPTO_CRYPTO_AES_H_
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