diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/mac/cbc_mac/cbc_mac.h')
-rw-r--r-- | comm/third_party/botan/src/lib/mac/cbc_mac/cbc_mac.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/mac/cbc_mac/cbc_mac.h b/comm/third_party/botan/src/lib/mac/cbc_mac/cbc_mac.h new file mode 100644 index 0000000000..ed4eb2bd18 --- /dev/null +++ b/comm/third_party/botan/src/lib/mac/cbc_mac/cbc_mac.h @@ -0,0 +1,50 @@ +/* +* CBC-MAC +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_CBC_MAC_H_ +#define BOTAN_CBC_MAC_H_ + +#include <botan/mac.h> +#include <botan/block_cipher.h> + +BOTAN_FUTURE_INTERNAL_HEADER(cbc_mac.h) + +namespace Botan { + +/** +* CBC-MAC +*/ +class BOTAN_PUBLIC_API(2,0) CBC_MAC final : public MessageAuthenticationCode + { + public: + std::string name() const override; + MessageAuthenticationCode* clone() const override; + size_t output_length() const override { return m_cipher->block_size(); } + void clear() override; + + Key_Length_Specification key_spec() const override + { + return m_cipher->key_spec(); + } + + /** + * @param cipher the block cipher to use + */ + explicit CBC_MAC(BlockCipher* cipher); + 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_cipher; + secure_vector<uint8_t> m_state; + size_t m_position = 0; + }; + +} + +#endif |