diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/pk_pad/emsa1/emsa1.h')
-rw-r--r-- | comm/third_party/botan/src/lib/pk_pad/emsa1/emsa1.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/pk_pad/emsa1/emsa1.h b/comm/third_party/botan/src/lib/pk_pad/emsa1/emsa1.h new file mode 100644 index 0000000000..76736bc276 --- /dev/null +++ b/comm/third_party/botan/src/lib/pk_pad/emsa1/emsa1.h @@ -0,0 +1,55 @@ +/* +* EMSA1 +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_EMSA1_H_ +#define BOTAN_EMSA1_H_ + +#include <botan/emsa.h> +#include <botan/hash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(emsa1.h) + +namespace Botan { + +/** +* EMSA1 from IEEE 1363 +* Essentially, sign the hash directly +*/ +class BOTAN_PUBLIC_API(2,0) EMSA1 final : public EMSA + { + public: + /** + * @param hash the hash function to use + */ + explicit EMSA1(HashFunction* hash) : m_hash(hash) {} + + EMSA* clone() override; + + std::string name() const override; + + AlgorithmIdentifier config_for_x509(const Private_Key& key, + const std::string& cert_hash_name) const override; + private: + size_t hash_output_length() const { return m_hash->output_length(); } + + void update(const uint8_t[], size_t) override; + secure_vector<uint8_t> raw_data() override; + + secure_vector<uint8_t> encoding_of(const secure_vector<uint8_t>& msg, + size_t output_bits, + RandomNumberGenerator& rng) override; + + bool verify(const secure_vector<uint8_t>& coded, + const secure_vector<uint8_t>& raw, + size_t key_bits) override; + + std::unique_ptr<HashFunction> m_hash; + }; + +} + +#endif |