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/*
* 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.
*/
/*****************************************************************************
RSAPrivateKey.cpp
RSA private key class
*****************************************************************************/
#include "config.h"
#include "log.h"
#include "RSAPrivateKey.h"
#include <string.h>
// Set the type
/*static*/ const char* RSAPrivateKey::type = "Abstract RSA private key";
// Check if the key is of the given type
bool RSAPrivateKey::isOfType(const char* inType)
{
return !strcmp(type, inType);
}
// Get the bit length
unsigned long RSAPrivateKey::getBitLength() const
{
return getN().bits();
}
// Get the output length
unsigned long RSAPrivateKey::getOutputLength() const
{
// Also handle odd number of bits (bits % 8 != 0)
return (getBitLength() + 7) / 8;
}
// Setters for the RSA private key components
void RSAPrivateKey::setP(const ByteString& inP)
{
p = inP;
}
void RSAPrivateKey::setQ(const ByteString& inQ)
{
q = inQ;
}
void RSAPrivateKey::setPQ(const ByteString& inPQ)
{
pq = inPQ;
}
void RSAPrivateKey::setDP1(const ByteString& inDP1)
{
dp1 = inDP1;
}
void RSAPrivateKey::setDQ1(const ByteString& inDQ1)
{
dq1 = inDQ1;
}
void RSAPrivateKey::setD(const ByteString& inD)
{
d = inD;
}
// Setters for the RSA public key components
void RSAPrivateKey::setN(const ByteString& inN)
{
n = inN;
}
void RSAPrivateKey::setE(const ByteString& inE)
{
e = inE;
}
// Getters for the RSA private key components
const ByteString& RSAPrivateKey::getP() const
{
return p;
}
const ByteString& RSAPrivateKey::getQ() const
{
return q;
}
const ByteString& RSAPrivateKey::getPQ() const
{
return pq;
}
const ByteString& RSAPrivateKey::getDP1() const
{
return dp1;
}
const ByteString& RSAPrivateKey::getDQ1() const
{
return dq1;
}
const ByteString& RSAPrivateKey::getD() const
{
return d;
}
// Getters for the RSA public key components
const ByteString& RSAPrivateKey::getN() const
{
return n;
}
const ByteString& RSAPrivateKey::getE() const
{
return e;
}
// Serialisation
ByteString RSAPrivateKey::serialise() const
{
return p.serialise() +
q.serialise() +
pq.serialise() +
dp1.serialise() +
dq1.serialise() +
d.serialise() +
n.serialise() +
e.serialise();
}
bool RSAPrivateKey::deserialise(ByteString& serialised)
{
ByteString dP = ByteString::chainDeserialise(serialised);
ByteString dQ = ByteString::chainDeserialise(serialised);
ByteString dPQ = ByteString::chainDeserialise(serialised);
ByteString dDP1 = ByteString::chainDeserialise(serialised);
ByteString dDQ1 = ByteString::chainDeserialise(serialised);
ByteString dD = ByteString::chainDeserialise(serialised);
ByteString dN = ByteString::chainDeserialise(serialised);
ByteString dE = ByteString::chainDeserialise(serialised);
if ((dD.size() == 0) ||
(dN.size() == 0) ||
(dE.size() == 0))
{
return false;
}
setP(dP);
setQ(dQ);
setPQ(dPQ);
setDP1(dDP1);
setDQ1(dDQ1);
setD(dD);
setN(dN);
setE(dE);
return true;
}
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