shacal2.h - mozsearch

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/*

* SHACAL-2

* (C) 2017 Jack Lloyd

* Botan is released under the Simplified BSD License (see license.txt)

*/

#ifndef BOTAN_SHACAL2_H_

#define BOTAN_SHACAL2_H_

#include <botan/block_cipher.h>

BOTAN_FUTURE_INTERNAL_HEADER(shacal2.h)

namespace Botan {

/**

* SHACAL2

*/

class BOTAN_PUBLIC_API(2,3) SHACAL2 final : public Block_Cipher_Fixed_Params<32, 16, 64, 4>

   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;

      std::string provider() const override;

      void clear() override;

      std::string name() const override { return "SHACAL2"; }

      BlockCipher* clone() const override { return new SHACAL2; }

      size_t parallelism() const override;

   private:

      void key_schedule(const uint8_t[], size_t) override;

#if defined(BOTAN_HAS_SHACAL2_SIMD)

      void simd_encrypt_4(const uint8_t in[], uint8_t out[]) const;

      void simd_decrypt_4(const uint8_t in[], uint8_t out[]) const;

#endif

#if defined(BOTAN_HAS_SHACAL2_AVX2)

      void avx2_encrypt_8(const uint8_t in[], uint8_t out[]) const;

      void avx2_decrypt_8(const uint8_t in[], uint8_t out[]) const;

#endif

#if defined(BOTAN_HAS_SHACAL2_X86)

      void x86_encrypt_blocks(const uint8_t in[], uint8_t out[], size_t blocks) const;

#endif

      secure_vector<uint32_t> m_RK;

};

#endif