1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* 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.
*/
/*****************************************************************************
DHPrivateKey.cpp
Diffie-Hellman private key class
*****************************************************************************/
#include "config.h"
#include "log.h"
#include "DHPrivateKey.h"
#include <string.h>
// Set the type
/*static*/ const char* DHPrivateKey::type = "Abstract DH private key";
// Check if the key is of the given type
bool DHPrivateKey::isOfType(const char* inType)
{
return !strcmp(type, inType);
}
// Get the bit length
unsigned long DHPrivateKey::getBitLength() const
{
return getP().bits();
}
// Get the output length
unsigned long DHPrivateKey::getOutputLength() const
{
return getP().size();
}
// Setters for the DH private key components
void DHPrivateKey::setX(const ByteString& inX)
{
x = inX;
}
// Setters for the DH public key components
void DHPrivateKey::setP(const ByteString& inP)
{
p = inP;
}
void DHPrivateKey::setG(const ByteString& inG)
{
g = inG;
}
// Getters for the DH private key components
const ByteString& DHPrivateKey::getX() const
{
return x;
}
// Getters for the DH public key components
const ByteString& DHPrivateKey::getP() const
{
return p;
}
const ByteString& DHPrivateKey::getG() const
{
return g;
}
// Serialisation
ByteString DHPrivateKey::serialise() const
{
return p.serialise() +
g.serialise() +
x.serialise();
}
bool DHPrivateKey::deserialise(ByteString& serialised)
{
ByteString dP = ByteString::chainDeserialise(serialised);
ByteString dG = ByteString::chainDeserialise(serialised);
ByteString dX = ByteString::chainDeserialise(serialised);
if ((dP.size() == 0) ||
(dG.size() == 0) ||
(dX.size() == 0))
{
return false;
}
setP(dP);
setG(dG);
setX(dX);
return true;
}
|
