Monday, 23 October 2017

DiceLockSecurity Knowledge

DicelockSecurity (version 9.X)

Linux - Source Code

DiceLock-x 9.0.0.1
DiceChecker-x 6.0.0.1
HashDigester-x 6.0.0.1
Previous Versions
arrow DiceLock-x 9.0.0.1 arrow physicalCryptoRandomStream.cpp
physicalCryptoRandomStream.cpp (Physical Memory Crypto Random Stream C++ source code file) Print E-mail
Get C++ DiceLock cipher architecture source code packages of DiceLock for Microsoft Visual Studio 2013 and DiceLock-x for Linux with Test Driver Programs and Response Test Vector files to verify that both them work as expected.
DiceLock for Windows and Linux
DiceLock Security governing software licenses are Free/Libre Source Code License and Educational and Research License
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
 
//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.9.0.0.1
//
// Copyright (C) 2008-2013 DiceLock Security, LLC. All rights reserved.
//
//                               DISCLAIMER
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED 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
// REGENTS OR CONTRIBUTORS 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.
//
// DICELOCK IS A REGISTERED TRADEMARK OR TRADEMARK OF THE OWNERS.
//
// DICELOCK IS PROTECTED BY US PATENT 7508945 AND EUROPEAN PATENT 1182777 WHERE APPLICABLE.
//
// LICENSE INFORMATION CAN BE OBTAINED AT CORPORATE WEB SITE
//
 
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <errno.h>
#include "physicalCryptoRandomStream.h"
 
 
namespace DiceLockSecurity {
 
  namespace CryptoRandomStream {
 
  // Symmetric cipher type enumerator name
  const CryptoRandomStreams  PhysicalCryptoRandomStream::cryptoRandomStreamType = PhysicalStream;
 
  // Allocates and locks pages in RAM memory, streamLengthBytes in bytes
  void PhysicalCryptoRandomStream::AllocPhysical(unsigned long int streamLengthBytes) {
    size_t page_size;
    size_t i;
    int error_return;
 
    this->cryptoStream = (unsigned char *)malloc(streamLengthBytes);
    if ( (error_return = mlock(this->cryptoStream, streamLengthBytes)) ) {
      throw "PhysicalCryptoRandomStream::AllocPhysical - Error allocating RAM memory";
    }
    page_size = getpagesize();
    for (i = 0; i < streamLengthBytes; i += page_size) {
      this->cryptoStream[i] = 0;
    }
    this->bitLength = streamLengthBytes * BYTEBITS;
    this->autoMemory = true;
  }
 
  // Frees locked pages in RAM memory
  void PhysicalCryptoRandomStream::FreePhysical(void) {
    unsigned long int streamLengthBytes;
 
    if (this->bitLength % BYTEBITS) {
      streamLengthBytes = (this->bitLength / BYTEBITS) + 1;
    }
    else {
      streamLengthBytes = this->bitLength / BYTEBITS;
    }
    munlock(this->cryptoStream, streamLengthBytes);
    if ( this->autoMemory ) {
      free(this->cryptoStream);
    }
    this->autoMemory = false;
    this->bitLength = 0;
  }
 
  // Constructor, default
  PhysicalCryptoRandomStream::PhysicalCryptoRandomStream(void) {
 
    this->cryptoStream = NULL;
    this->autoMemory = false;
    this->bitLength = 0;
    this->position = 0;
  }
 
  // Constructor, creates an empty stream with the indicated bit length
  PhysicalCryptoRandomStream::PhysicalCryptoRandomStream(unsigned long int bitLength) {
    unsigned long int bytes;
 
    try {
      bytes =  bitLength / BYTEBITS;
      if ( bitLength % BYTEBITS) {
        bytes++;
      }
      this->AllocPhysical(bytes);
      memset(this->cryptoStream, 0, bytes);
      this->bitLength =  bitLength;
      this->position = 0;
    }
    catch (char* str) {
      throw str;
    }
  }
 
  // Constructor, sets the pointed stream of the indicated length in bits
  PhysicalCryptoRandomStream::PhysicalCryptoRandomStream(void* stream, unsigned long int streamBitLength) {
    unsigned long int bytes;
    int error_return;
 
 
    if ( stream != NULL ) {
      bytes = streamBitLength / BYTEBITS;
      if (streamBitLength % BYTEBITS) {
        bytes++;
      }
      this->cryptoStream = (unsigned char *)stream;
      if ( (error_return = mlock(this->cryptoStream, bytes)) ) {
        throw "PhysicalCryptoRandomStream::PhysicalCryptoRandomStream - Error locking RAM memory";
      }
      this->bitLength = streamBitLength;
      this->autoMemory = false;
    }
  }
 
  // Destructor
  PhysicalCryptoRandomStream::~PhysicalCryptoRandomStream() {
 
    this->FreePhysical();
    this->cryptoStream = NULL;
    this->bitLength = 0;
    this->position = 0;
    this->autoMemory = false;
  }
 
  // Make PhysicalCryptoRandomStream to grow up to unsigned long ints in unsigned chars
  void PhysicalCryptoRandomStream::GrowToUCs(unsigned long int numberUCs) {
    unsigned char* swapMemory;
    unsigned long int swapBits;
    bool swapAutoMemory;
    unsigned long int bytes;
 
    if ( this->bitLength < ( numberUCs * BYTEBITS ) ) {
      swapMemory = this->cryptoStream;
      swapBits = this->bitLength;
      swapAutoMemory = this->autoMemory;
      this->AllocPhysical(numberUCs);
      // Copies previous data to new physical memory
      memset(this->cryptoStream, 0, numberUCs);
      bytes = swapBits / BYTEBITS;
      if ( ( swapBits % BYTEBITS ) != 0 ) {
        bytes++;
      }
      memcpy(this->cryptoStream, swapMemory, bytes);
      // Free previous physical data used
      if ( bytes > 0 ) {
        memset(swapMemory, 0, bytes);
        munlock(swapMemory, bytes);
        if ( swapAutoMemory ) {
          free(swapMemory);
        }
      }
    }
  }
 
  // Make PhysicalCryptoRandomStream to adjust just to unsigned long ints in unsigned chars
  void PhysicalCryptoRandomStream::AdjustToUCs(unsigned long int numberUCs) {
    unsigned char* swapMemory;
    unsigned long int swapBits;
    bool swapAutoMemory;
    unsigned long int bytes;
 
    if ( numberUCs == 0 ) {
      if ( this->autoMemory && ( this->bitLength > 0 ) ) {
        bytes = this->bitLength / BYTEBITS;
        if ( ( this->bitLength % BYTEBITS ) != 0 ) {
          bytes++;
        }
        memset(this->cryptoStream, 0, bytes);
        munlock(this->cryptoStream, bytes);
        free(this->cryptoStream);
      }
      this->cryptoStream = NULL;
      this->autoMemory = false;
      this->bitLength = 0;
      this->position = 0;
    }
    else {
      if ( this->bitLength < ( numberUCs * BYTEBITS ) ) {
        this->GrowToUCs(numberUCs);
      }
      if ( this->bitLength > ( numberUCs * BYTEBITS ) ) {
        swapMemory = this->cryptoStream;
        swapBits = this->bitLength;
        swapAutoMemory = this->autoMemory;
        this->AllocPhysical(numberUCs);
        // Copies previous data to new physical memory
        memcpy(this->cryptoStream, swapMemory, numberUCs);
        // Sets new physical memory data to this object
        bytes = swapBits / BYTEBITS;
        if ( ( swapBits % BYTEBITS ) != 0 ) {
          bytes++;
        }
        if ( bytes > 0 ) {
          memset(swapMemory, 0, bytes);
          munlock(swapMemory, bytes);
          if ( swapAutoMemory ) {
            free(swapMemory);
          }
        }
      }
    }
  }
 
  // Gets the CryptoRandomStream type of the object
  CryptoRandomStreams PhysicalCryptoRandomStream::GetCryptoRandomStreamType(void) {
 
    return this->cryptoRandomStreamType;
  }
 
  }
}