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Diffstat (limited to 'SoftHSMv2/src/lib/crypto/OSSLEVPHashAlgorithm.h')
| -rw-r--r-- | SoftHSMv2/src/lib/crypto/OSSLEVPHashAlgorithm.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/OSSLEVPHashAlgorithm.h b/SoftHSMv2/src/lib/crypto/OSSLEVPHashAlgorithm.h new file mode 100644 index 0000000..1775df2 --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/OSSLEVPHashAlgorithm.h @@ -0,0 +1,66 @@ +/* + * 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 + |