diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/block/sm4/sm4.h')
-rw-r--r-- | comm/third_party/botan/src/lib/block/sm4/sm4.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/block/sm4/sm4.h b/comm/third_party/botan/src/lib/block/sm4/sm4.h new file mode 100644 index 0000000000..637ffd4bee --- /dev/null +++ b/comm/third_party/botan/src/lib/block/sm4/sm4.h @@ -0,0 +1,45 @@ +/* +* SM4 +* (C) 2017 Ribose Inc +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_SM4_H_ +#define BOTAN_SM4_H_ + +#include <botan/block_cipher.h> + +BOTAN_FUTURE_INTERNAL_HEADER(sm4.h) + +namespace Botan { + +/** +* SM4 +*/ +class BOTAN_PUBLIC_API(2,2) SM4 final : public Block_Cipher_Fixed_Params<16, 16> + { + public: + void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + + void clear() override; + std::string name() const override { return "SM4"; } + BlockCipher* clone() const override { return new SM4; } + + std::string provider() const override; + size_t parallelism() const override; + private: + void key_schedule(const uint8_t[], size_t) override; + +#if defined(BOTAN_HAS_SM4_ARMV8) + void sm4_armv8_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const; + void sm4_armv8_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const; +#endif + + secure_vector<uint32_t> m_RK; + }; + +} + +#endif |