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Diffstat (limited to 'SoftHSMv2/src/lib/crypto/MacAlgorithm.h')
-rw-r--r-- | SoftHSMv2/src/lib/crypto/MacAlgorithm.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/MacAlgorithm.h b/SoftHSMv2/src/lib/crypto/MacAlgorithm.h new file mode 100644 index 0000000..e9b22b0 --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/MacAlgorithm.h @@ -0,0 +1,101 @@ +/* + * 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. + */ + +/***************************************************************************** + MacAlgorithm.h + + Base class for MAC algorithm classes + *****************************************************************************/ + +#ifndef _SOFTHSM_V2_MACALGORITHM_H +#define _SOFTHSM_V2_MACALGORITHM_H + +#include <string> +#include "config.h" +#include "SymmetricKey.h" +#include "RNG.h" + +struct MacAlgo +{ + enum Type + { + Unknown, + HMAC_MD5, + HMAC_SHA1, + HMAC_SHA224, + HMAC_SHA256, + HMAC_SHA384, + HMAC_SHA512, + HMAC_GOST, + CMAC_DES, + CMAC_AES + }; +}; + +class MacAlgorithm +{ +public: + // Base constructors + MacAlgorithm(); + + // Destructor + virtual ~MacAlgorithm() { } + + // Signing functions + virtual bool signInit(const SymmetricKey* key); + virtual bool signUpdate(const ByteString& dataToSign); + virtual bool signFinal(ByteString& signature); + + // Verification functions + virtual bool verifyInit(const SymmetricKey* key); + virtual bool verifyUpdate(const ByteString& originalData); + virtual bool verifyFinal(ByteString& signature); + + // Key + virtual unsigned long getMinKeySize(); + virtual unsigned long getMaxKeySize(); + virtual void recycleKey(SymmetricKey* toRecycle); + + // Return the MAC size + virtual size_t getMacSize() const = 0; + +protected: + // The current key + const SymmetricKey* currentKey; + +private: + // The current operation + enum + { + NONE, + SIGN, + VERIFY + } + currentOperation; +}; + +#endif // !_SOFTHSM_V2_MACALGORITHM_H + |