diff options
author | 2018-02-08 08:34:03 -0800 | |
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committer | 2018-02-08 09:14:52 -0800 | |
commit | 0c89b3ccba7c9b7332ab67ae1936aff51ca62367 (patch) | |
tree | 70c1b1d160d4c6d0a83395ca9a87c1264d0d3439 /SoftHSMv2/src/lib/crypto/DHParameters.cpp | |
parent | 945613b4db4e07f75d2bc7463db580ddfaa700fd (diff) |
Initial sshsm project structure
Issue-ID: AAF-94
Change-Id: I5e82fff418e7567b161acf9b98013a9b85ffc5b4
Signed-off-by: NingSun <ning.sun@intel.com>
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/DHParameters.cpp')
-rw-r--r-- | SoftHSMv2/src/lib/crypto/DHParameters.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/DHParameters.cpp b/SoftHSMv2/src/lib/crypto/DHParameters.cpp new file mode 100644 index 0000000..919901b --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/DHParameters.cpp @@ -0,0 +1,111 @@ +/* + * 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. + */ + +/***************************************************************************** + DHParameters.cpp + + Diffie-Hellman parameters (only used for key generation) + *****************************************************************************/ + +#include "config.h" +#include "log.h" +#include "DHParameters.h" +#include <string.h> + +// The type +/*static*/ const char* DHParameters::type = "Generic DH parameters"; + +// Set the public prime p +void DHParameters::setP(const ByteString& inP) +{ + p = inP; +} + +// Set the generator g +void DHParameters::setG(const ByteString& inG) +{ + g = inG; +} + +// Set the optional bit length +void DHParameters::setXBitLength(const size_t inBitLen) +{ + bitLen = inBitLen; +} + + +// Get the public prime p +const ByteString& DHParameters::getP() const +{ + return p; +} + +// Get the generator g +const ByteString& DHParameters::getG() const +{ + return g; +} + +// Get the optional bit length +size_t DHParameters::getXBitLength() const +{ + return bitLen; +} + +// Are the parameters of the given type? +bool DHParameters::areOfType(const char* inType) +{ + return (strcmp(type, inType) == 0); +} + +// Serialisation +ByteString DHParameters::serialise() const +{ + ByteString len(bitLen); + + return p.serialise() + g.serialise() + len.serialise(); +} + +bool DHParameters::deserialise(ByteString& serialised) +{ + ByteString dP = ByteString::chainDeserialise(serialised); + ByteString dG = ByteString::chainDeserialise(serialised); + ByteString dLen = ByteString::chainDeserialise(serialised); + + if ((dP.size() == 0) || + (dG.size() == 0) || + (dLen.size() == 0)) + { + return false; + } + + setP(dP); + setG(dG); + setXBitLength(dLen.long_val()); + + return true; +} + |