diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/mac/poly1305/poly1305.h')
-rw-r--r-- | comm/third_party/botan/src/lib/mac/poly1305/poly1305.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/mac/poly1305/poly1305.h b/comm/third_party/botan/src/lib/mac/poly1305/poly1305.h new file mode 100644 index 0000000000..fdd01ecd1a --- /dev/null +++ b/comm/third_party/botan/src/lib/mac/poly1305/poly1305.h @@ -0,0 +1,50 @@ +/* +* Poly1305 +* (C) 2014 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_MAC_POLY1305_H_ +#define BOTAN_MAC_POLY1305_H_ + +#include <botan/mac.h> +#include <memory> + +BOTAN_FUTURE_INTERNAL_HEADER(poly1305.h) + +namespace Botan { + +/** +* DJB's Poly1305 +* Important note: each key can only be used once +*/ +class BOTAN_PUBLIC_API(2,0) Poly1305 final : public MessageAuthenticationCode + { + public: + std::string name() const override { return "Poly1305"; } + + MessageAuthenticationCode* clone() const override { return new Poly1305; } + + void clear() override; + + size_t output_length() const override { return 16; } + + Key_Length_Specification key_spec() const override + { + return Key_Length_Specification(32); + } + + private: + void add_data(const uint8_t[], size_t) override; + void final_result(uint8_t[]) override; + void key_schedule(const uint8_t[], size_t) override; + + secure_vector<uint64_t> m_poly; + secure_vector<uint8_t> m_buf; + size_t m_buf_pos = 0; + }; + +} + +#endif |