diff options
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/DSAPrivateKey.cpp')
-rw-r--r-- | SoftHSMv2/src/lib/crypto/DSAPrivateKey.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/DSAPrivateKey.cpp b/SoftHSMv2/src/lib/crypto/DSAPrivateKey.cpp new file mode 100644 index 0000000..1bdfd2d --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/DSAPrivateKey.cpp @@ -0,0 +1,134 @@ +/* + * 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. + */ + +/***************************************************************************** + DSAPrivateKey.cpp + + DSA private key class + *****************************************************************************/ + +#include "config.h" +#include "log.h" +#include "DSAPrivateKey.h" +#include <string.h> + +// Set the type +/*static*/ const char* DSAPrivateKey::type = "Abstract DSA private key"; + +// Check if the key is of the given type +bool DSAPrivateKey::isOfType(const char* inType) +{ + return !strcmp(type, inType); +} + +// Get the bit length +unsigned long DSAPrivateKey::getBitLength() const +{ + return getP().bits(); +} + +// Get the output length +unsigned long DSAPrivateKey::getOutputLength() const +{ + return getQ().size() * 2; +} + +// Setters for the DSA private key components +void DSAPrivateKey::setX(const ByteString& inX) +{ + x = inX; +} + +// Setters for the DSA domain parameters +void DSAPrivateKey::setP(const ByteString& inP) +{ + p = inP; +} + +void DSAPrivateKey::setQ(const ByteString& inQ) +{ + q = inQ; +} + +void DSAPrivateKey::setG(const ByteString& inG) +{ + g = inG; +} + +// Getters for the DSA private key components +const ByteString& DSAPrivateKey::getX() const +{ + return x; +} + +// Getters for the DSA domain parameters +const ByteString& DSAPrivateKey::getP() const +{ + return p; +} + +const ByteString& DSAPrivateKey::getQ() const +{ + return q; +} + +const ByteString& DSAPrivateKey::getG() const +{ + return g; +} + +// Serialisation +ByteString DSAPrivateKey::serialise() const +{ + return p.serialise() + + q.serialise() + + g.serialise() + + x.serialise(); +} + +bool DSAPrivateKey::deserialise(ByteString& serialised) +{ + ByteString dP = ByteString::chainDeserialise(serialised); + ByteString dQ = ByteString::chainDeserialise(serialised); + ByteString dG = ByteString::chainDeserialise(serialised); + ByteString dX = ByteString::chainDeserialise(serialised); + + if ((dP.size() == 0) || + (dQ.size() == 0) || + (dG.size() == 0) || + (dX.size() == 0)) + { + return false; + } + + setP(dP); + setQ(dQ); + setG(dG); + setX(dX); + + return true; +} + |