diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/mac/hmac/hmac.h')
-rw-r--r-- | comm/third_party/botan/src/lib/mac/hmac/hmac.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/mac/hmac/hmac.h b/comm/third_party/botan/src/lib/mac/hmac/hmac.h new file mode 100644 index 0000000000..1f2f4227d4 --- /dev/null +++ b/comm/third_party/botan/src/lib/mac/hmac/hmac.h @@ -0,0 +1,52 @@ +/* +* HMAC +* (C) 1999-2007,2014 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_HMAC_H_ +#define BOTAN_HMAC_H_ + +#include <botan/mac.h> +#include <botan/hash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(hmac.h) + +namespace Botan { + +/** +* HMAC +*/ +class BOTAN_PUBLIC_API(2,0) HMAC final : public MessageAuthenticationCode + { + public: + void clear() override; + std::string name() const override; + MessageAuthenticationCode* clone() const override; + + size_t output_length() const override; + + Key_Length_Specification key_spec() const override; + + /** + * @param hash the hash to use for HMACing + */ + explicit HMAC(HashFunction* hash); + + HMAC(const HMAC&) = delete; + HMAC& operator=(const HMAC&) = 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<HashFunction> m_hash; + secure_vector<uint8_t> m_ikey, m_okey; + size_t m_hash_output_length; + size_t m_hash_block_size; + }; + +} + +#endif |