Coverage Report

Created: 2020-05-23 13:54

/src/botan/build/include/botan/blake2b.h
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/*
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* BLAKE2b
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* (C) 2016 cynecx
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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_BLAKE2B_H_
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#define BOTAN_BLAKE2B_H_
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#include <botan/hash.h>
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#include <string>
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#include <memory>
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BOTAN_FUTURE_INTERNAL_HEADER(blake2b.h)
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namespace Botan {
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/**
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* BLAKE2B
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*/
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class BOTAN_PUBLIC_API(2,0) BLAKE2b final : public HashFunction
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   {
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   public:
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      /**
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      * @param output_bits the output size of BLAKE2b in bits
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      */
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      explicit BLAKE2b(size_t output_bits = 512);
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0
      size_t hash_block_size() const override { return 128; }
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0
      size_t output_length() const override { return m_output_bits / 8; }
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      HashFunction* clone() const override;
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      std::string name() const override;
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      void clear() override;
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      std::unique_ptr<HashFunction> copy_state() const override;
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   private:
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      void add_data(const uint8_t input[], size_t length) override;
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      void final_result(uint8_t out[]) override;
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      void state_init();
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      void compress(const uint8_t* data, size_t blocks, uint64_t increment);
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      const size_t m_output_bits;
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      secure_vector<uint8_t> m_buffer;
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      size_t m_bufpos;
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      secure_vector<uint64_t> m_H;
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      uint64_t m_T[2];
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      uint64_t m_F[2];
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   };
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typedef BLAKE2b Blake2b;
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}
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#endif