Coverage Report

Created: 2020-11-21 08:34

/src/botan/build/include/botan/internal/sm4.h
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/*
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* SM4
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* (C) 2017 Ribose Inc
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#ifndef BOTAN_SM4_H_
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#define BOTAN_SM4_H_
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#include <botan/block_cipher.h>
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namespace Botan {
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/**
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* SM4
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*/
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class SM4 final : public Block_Cipher_Fixed_Params<16, 16>
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   {
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   public:
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      void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
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      void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
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      void clear() override;
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      std::string name() const override { return "SM4"; }
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      BlockCipher* clone() const override { return new SM4; }
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      std::string provider() const override;
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      size_t parallelism() const override;
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   private:
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      void key_schedule(const uint8_t[], size_t) override;
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#if defined(BOTAN_HAS_SM4_ARMV8)
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      void sm4_armv8_encrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
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      void sm4_armv8_decrypt(const uint8_t in[], uint8_t out[], size_t blocks) const;
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#endif
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      secure_vector<uint32_t> m_RK;
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   };
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}
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#endif