diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h')
-rw-r--r-- | comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h b/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h new file mode 100644 index 0000000000..3df38b9aa6 --- /dev/null +++ b/comm/third_party/botan/src/lib/mac/x919_mac/x919_mac.h @@ -0,0 +1,51 @@ +/* +* ANSI X9.19 MAC +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_ANSI_X919_MAC_H_ +#define BOTAN_ANSI_X919_MAC_H_ + +#include <botan/mac.h> +#include <botan/block_cipher.h> + +BOTAN_FUTURE_INTERNAL_HEADER(x919_mac.h) + +namespace Botan { + +/** +* DES/3DES-based MAC from ANSI X9.19 +*/ +class BOTAN_PUBLIC_API(2,0) ANSI_X919_MAC final : public MessageAuthenticationCode + { + public: + void clear() override; + std::string name() const override; + size_t output_length() const override { return 8; } + + MessageAuthenticationCode* clone() const override; + + Key_Length_Specification key_spec() const override + { + return Key_Length_Specification(8, 16, 8); + } + + ANSI_X919_MAC(); + + ANSI_X919_MAC(const ANSI_X919_MAC&) = delete; + ANSI_X919_MAC& operator=(const ANSI_X919_MAC&) = delete; + 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; + + std::unique_ptr<BlockCipher> m_des1, m_des2; + secure_vector<uint8_t> m_state; + size_t m_position; + }; + +} + +#endif |