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