| /* |
| * Copyright (c) 2010 SURFnet bv |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /***************************************************************************** |
| OSSLEVPHashAlgorithm.h |
| |
| Base class for OpenSSL hash algorithm classes |
| *****************************************************************************/ |
| |
| #ifndef _SOFTHSM_V2_OSSLEVPHASHALGORITHM_H |
| #define _SOFTHSM_V2_OSSLEVPHASHALGORITHM_H |
| |
| #include "config.h" |
| #include "HashAlgorithm.h" |
| #include <openssl/evp.h> |
| |
| class OSSLEVPHashAlgorithm : public HashAlgorithm |
| { |
| public: |
| // Base constructors |
| OSSLEVPHashAlgorithm() : HashAlgorithm() { |
| curCTX = NULL; |
| } |
| |
| // Destructor |
| ~OSSLEVPHashAlgorithm(); |
| |
| // Hashing functions |
| virtual bool hashInit(); |
| virtual bool hashUpdate(const ByteString& data); |
| virtual bool hashFinal(ByteString& hashedData); |
| |
| virtual int getHashSize() = 0; |
| protected: |
| virtual const EVP_MD* getEVPHash() const = 0; |
| |
| private: |
| // Current hashing context |
| EVP_MD_CTX* curCTX; |
| }; |
| |
| #endif // !_SOFTHSM_V2_OSSLEVPHASHALGORITHM_H |
| |