Coverage Report

Created: 2020-11-21 08:34

/src/botan/build/include/botan/internal/crc32.h
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/*
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* CRC32
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* (C) 1999-2007 Jack Lloyd
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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_CRC32_H_
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#define BOTAN_CRC32_H_
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#include <botan/hash.h>
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namespace Botan {
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/**
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* 32-bit cyclic redundancy check
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*/
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class CRC32 final : public HashFunction
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   {
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   public:
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      std::string name() const override { return "CRC32"; }
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      size_t output_length() const override { return 4; }
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      HashFunction* clone() const override { return new CRC32; }
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      std::unique_ptr<HashFunction> copy_state() const override;
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      void clear() override { m_crc = 0xFFFFFFFF; }
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      CRC32() { clear(); }
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      ~CRC32() { clear(); }
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   private:
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      void add_data(const uint8_t[], size_t) override;
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      void final_result(uint8_t[]) override;
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      uint32_t m_crc;
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   };
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}
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#endif