diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/pk_pad/emsa_pssr/pssr.h')
-rw-r--r-- | comm/third_party/botan/src/lib/pk_pad/emsa_pssr/pssr.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/pk_pad/emsa_pssr/pssr.h b/comm/third_party/botan/src/lib/pk_pad/emsa_pssr/pssr.h new file mode 100644 index 0000000000..47efacb518 --- /dev/null +++ b/comm/third_party/botan/src/lib/pk_pad/emsa_pssr/pssr.h @@ -0,0 +1,103 @@ +/* +* PSSR +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_PSSR_H_ +#define BOTAN_PSSR_H_ + +#include <botan/emsa.h> +#include <botan/hash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(pssr.h) + +namespace Botan { + +/** +* PSSR (called EMSA4 in IEEE 1363 and in old versions of the library) +*/ +class BOTAN_PUBLIC_API(2,0) PSSR final : public EMSA + { + public: + + /** + * @param hash the hash function to use + */ + explicit PSSR(HashFunction* hash); + + /** + * @param hash the hash function to use + * @param salt_size the size of the salt to use in bytes + */ + PSSR(HashFunction* hash, size_t salt_size); + + 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: + void update(const uint8_t input[], size_t length) 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; + size_t m_salt_size; + bool m_required_salt_len; + }; + +/** +* PSSR_Raw +* This accepts a pre-hashed buffer +*/ +class BOTAN_PUBLIC_API(2,3) PSSR_Raw final : public EMSA + { + public: + + /** + * @param hash the hash function to use + */ + explicit PSSR_Raw(HashFunction* hash); + + /** + * @param hash the hash function to use + * @param salt_size the size of the salt to use in bytes + */ + PSSR_Raw(HashFunction* hash, size_t salt_size); + + EMSA* clone() override; + + std::string name() const override; + private: + void update(const uint8_t input[], size_t length) 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; + secure_vector<uint8_t> m_msg; + size_t m_salt_size; + bool m_required_salt_len; + }; + +} + +#endif |