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
121
122
123
124
125
126
127
128
129
130
131
|
/*
* 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.
*/
/*****************************************************************************
ByteString.h
A string class for byte strings stored in securely allocated memory
*****************************************************************************/
#ifndef _SOFTHSM_V2_BYTESTRING_H
#define _SOFTHSM_V2_BYTESTRING_H
#include <cstddef>
#include <vector>
#include <string>
#include <stdlib.h>
#include <limits.h>
#include "config.h"
#include "SecureAllocator.h"
#include "Serialisable.h"
#ifndef SIZE_T_MAX
#define SIZE_T_MAX ((size_t) -1)
#endif // !SIZE_T_MAX
class ByteString
{
public:
// Constructors
ByteString();
ByteString(const unsigned char* bytes, const size_t bytesLen);
ByteString(const char* hexString);
ByteString(const unsigned long longValue);
ByteString(const ByteString& in);
// Destructor
virtual ~ByteString() { }
// Append data
ByteString& operator+=(const ByteString& append);
ByteString& operator+=(const unsigned char byte);
// Return a substring
ByteString substr(const size_t start, const size_t len = SIZE_T_MAX) const;
// Array operator
unsigned char& operator[](size_t pos);
// Return the byte string
unsigned char* byte_str();
// Return the const byte string
const unsigned char* const_byte_str() const;
// Return a hexadecimal character representation of the string
std::string hex_str() const;
// Return the long value
unsigned long long_val() const;
// Cut of the first part of the string and convert it to a long value
unsigned long firstLong();
// Split of the specified part of the string as a separate byte string
ByteString split(size_t len);
// Return the size in bits
size_t bits() const;
// Return the size in bytes
size_t size() const;
// Resize
void resize(const size_t newSize);
// Wipe
void wipe(const size_t newSize = 0);
// Comparison
bool operator==(const ByteString& compareTo) const;
bool operator!=(const ByteString& compareTo) const;
// XORing
ByteString& operator^=(const ByteString& rhs);
// Serialisation/deserialisation
virtual ByteString serialise() const;
static ByteString chainDeserialise(ByteString& serialised);
private:
std::vector<unsigned char, SecureAllocator<unsigned char> > byteString;
};
// Add data
ByteString operator+(const ByteString& lhs, const ByteString& rhs);
ByteString operator+(const unsigned char lhs, const ByteString& rhs);
ByteString operator+(const ByteString& lhs, const unsigned char rhs);
// XOR data
ByteString operator^(const ByteString& lhs, const ByteString& rhs);
#endif // !_SOFTHSM_V2_BYTESTRING_H
|
