Coverage Report

Created: 2020-02-14 15:38

/src/botan/build/include/botan/poly1305.h
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/*
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* Poly1305
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* (C) 2014 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_MAC_POLY1305_H_
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#define BOTAN_MAC_POLY1305_H_
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#include <botan/mac.h>
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#include <memory>
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BOTAN_FUTURE_INTERNAL_HEADER(poly1305.h)
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namespace Botan {
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/**
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* DJB's Poly1305
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* Important note: each key can only be used once
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*/
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class BOTAN_PUBLIC_API(2,0) Poly1305 final : public MessageAuthenticationCode
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   {
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   public:
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      std::string name() const override { return "Poly1305"; }
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      MessageAuthenticationCode* clone() const override { return new Poly1305; }
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      void clear() override;
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      size_t output_length() const override { return 16; }
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      Key_Length_Specification key_spec() const override
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         {
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         return Key_Length_Specification(32);
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         }
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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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      void key_schedule(const uint8_t[], size_t) override;
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      secure_vector<uint64_t> m_poly;
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      secure_vector<uint8_t> m_buf;
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      size_t m_buf_pos = 0;
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   };
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}
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#endif