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Diffstat (limited to 'mysql/extra/yassl/taocrypt/include/dsa.hpp')
-rw-r--r-- | mysql/extra/yassl/taocrypt/include/dsa.hpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/mysql/extra/yassl/taocrypt/include/dsa.hpp b/mysql/extra/yassl/taocrypt/include/dsa.hpp new file mode 100644 index 0000000..d7f81c2 --- /dev/null +++ b/mysql/extra/yassl/taocrypt/include/dsa.hpp @@ -0,0 +1,126 @@ +/* + Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + MA 02110-1301 USA. +*/ + +/* dsa.hpp provides Digitial Signautre Algorithm see FIPS 186-2 +*/ + +#ifndef TAO_CRYPT_DSA_HPP +#define TAO_CRYPT_DSA_HPP + +#include "integer.hpp" + + +namespace TaoCrypt { + +class Source; + + +class DSA_PublicKey { +protected: + Integer p_; + Integer q_; + Integer g_; + Integer y_; +public: + DSA_PublicKey() {} + explicit DSA_PublicKey(Source&); + + void Initialize(Source&); + void Initialize(const Integer& p, const Integer& q, const Integer& g, + const Integer& y); + + const Integer& GetModulus() const; + const Integer& GetSubGroupOrder() const; + const Integer& GetSubGroupGenerator() const; + const Integer& GetPublicPart() const; + + void SetModulus(const Integer&); + void SetSubGroupOrder(const Integer&); + void SetSubGroupGenerator(const Integer&); + void SetPublicPart(const Integer&); + + word32 SignatureLength() const; + + DSA_PublicKey(const DSA_PublicKey&); + DSA_PublicKey& operator=(const DSA_PublicKey&); + + void Swap(DSA_PublicKey& other); +}; + + + +class DSA_PrivateKey : public DSA_PublicKey { + Integer x_; +public: + DSA_PrivateKey() {} + explicit DSA_PrivateKey(Source&); + + void Initialize(Source&); + void Initialize(const Integer& p, const Integer& q, const Integer& g, + const Integer& y, const Integer& x); + + const Integer& GetPrivatePart() const; + + void SetPrivatePart(const Integer&); +private: + DSA_PrivateKey(const DSA_PrivateKey&); // hide copy + DSA_PrivateKey& operator=(const DSA_PrivateKey&); // and assign +}; + + + +class DSA_Signer { + const DSA_PrivateKey& key_; + Integer r_; + Integer s_; +public: + explicit DSA_Signer(const DSA_PrivateKey&); + + word32 Sign(const byte* sha_digest, byte* sig, RandomNumberGenerator&); + + const Integer& GetR() const; + const Integer& GetS() const; +private: + DSA_Signer(const DSA_Signer&); // hide copy + DSA_Signer& operator=(DSA_Signer&); // and assign +}; + + +class DSA_Verifier { + const DSA_PublicKey& key_; + Integer r_; + Integer s_; +public: + explicit DSA_Verifier(const DSA_PublicKey&); + + bool Verify(const byte* sha_digest, const byte* sig); + + const Integer& GetR() const; + const Integer& GetS() const; +private: + DSA_Verifier(const DSA_Verifier&); // hide copy + DSA_Verifier& operator=(const DSA_Verifier&); // and assign +}; + + + + + +} // namespace + +#endif // TAO_CRYPT_DSA_HPP |