aboutsummaryrefslogtreecommitdiff
path: root/apps/testdsa.h
blob: 3c4b459db117e822fc6f557b87f1d79ca7a28bb9 (plain) (blame)
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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*
 * Copyright 1998-2017 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* used by speed.c */
DSA *get_dsa(int);

static unsigned char dsa512_priv[] = {
    0x65, 0xe5, 0xc7, 0x38, 0x60, 0x24, 0xb5, 0x89, 0xd4, 0x9c, 0xeb, 0x4c,
    0x9c, 0x1d, 0x7a, 0x22, 0xbd, 0xd1, 0xc2, 0xd2,
};

static unsigned char dsa512_pub[] = {
    0x00, 0x95, 0xa7, 0x0d, 0xec, 0x93, 0x68, 0xba, 0x5f, 0xf7, 0x5f, 0x07,
    0xf2, 0x3b, 0xad, 0x6b, 0x01, 0xdc, 0xbe, 0xec, 0xde, 0x04, 0x7a, 0x3a,
    0x27, 0xb3, 0xec, 0x49, 0xfd, 0x08, 0x43, 0x3d, 0x7e, 0xa8, 0x2c, 0x5e,
    0x7b, 0xbb, 0xfc, 0xf4, 0x6e, 0xeb, 0x6c, 0xb0, 0x6e, 0xf8, 0x02, 0x12,
    0x8c, 0x38, 0x5d, 0x83, 0x56, 0x7d, 0xee, 0x53, 0x05, 0x3e, 0x24, 0x84,
    0xbe, 0xba, 0x0a, 0x6b, 0xc8,
};

static unsigned char dsa512_p[] = {
    0x9D, 0x1B, 0x69, 0x8E, 0x26, 0xDB, 0xF2, 0x2B, 0x11, 0x70, 0x19, 0x86,
    0xF6, 0x19, 0xC8, 0xF8, 0x19, 0xF2, 0x18, 0x53, 0x94, 0x46, 0x06, 0xD0,
    0x62, 0x50, 0x33, 0x4B, 0x02, 0x3C, 0x52, 0x30, 0x03, 0x8B, 0x3B, 0xF9,
    0x5F, 0xD1, 0x24, 0x06, 0x4F, 0x7B, 0x4C, 0xBA, 0xAA, 0x40, 0x9B, 0xFD,
    0x96, 0xE4, 0x37, 0x33, 0xBB, 0x2D, 0x5A, 0xD7, 0x5A, 0x11, 0x40, 0x66,
    0xA2, 0x76, 0x7D, 0x31,
};

static unsigned char dsa512_q[] = {
    0xFB, 0x53, 0xEF, 0x50, 0xB4, 0x40, 0x92, 0x31, 0x56, 0x86, 0x53, 0x7A,
    0xE8, 0x8B, 0x22, 0x9A, 0x49, 0xFB, 0x71, 0x8F,
};

static unsigned char dsa512_g[] = {
    0x83, 0x3E, 0x88, 0xE5, 0xC5, 0x89, 0x73, 0xCE, 0x3B, 0x6C, 0x01, 0x49,
    0xBF, 0xB3, 0xC7, 0x9F, 0x0A, 0xEA, 0x44, 0x91, 0xE5, 0x30, 0xAA, 0xD9,
    0xBE, 0x5B, 0x5F, 0xB7, 0x10, 0xD7, 0x89, 0xB7, 0x8E, 0x74, 0xFB, 0xCF,
    0x29, 0x1E, 0xEB, 0xA8, 0x2C, 0x54, 0x51, 0xB8, 0x10, 0xDE, 0xA0, 0xCE,
    0x2F, 0xCC, 0x24, 0x6B, 0x90, 0x77, 0xDE, 0xA2, 0x68, 0xA6, 0x52, 0x12,
    0xA2, 0x03, 0x9D, 0x20,
};

static unsigned char dsa1024_priv[] = {
    0x7d, 0x21, 0xda, 0xbb, 0x62, 0x15, 0x47, 0x36, 0x07, 0x67, 0x12, 0xe8,
    0x8c, 0xaa, 0x1c, 0xcd, 0x38, 0x12, 0x61, 0x18,
};

static unsigned char dsa1024_pub[] = {
    0x3c, 0x4e, 0x9c, 0x2a, 0x7f, 0x16, 0xc1, 0x25, 0xeb, 0xac, 0x78, 0x63,
    0x90, 0x14, 0x8c, 0x8b, 0xf4, 0x68, 0x43, 0x3c, 0x2d, 0xee, 0x65, 0x50,
    0x7d, 0x9c, 0x8f, 0x8c, 0x8a, 0x51, 0xd6, 0x11, 0x2b, 0x99, 0xaf, 0x1e,
    0x90, 0x97, 0xb5, 0xd3, 0xa6, 0x20, 0x25, 0xd6, 0xfe, 0x43, 0x02, 0xd5,
    0x91, 0x7d, 0xa7, 0x8c, 0xdb, 0xc9, 0x85, 0xa3, 0x36, 0x48, 0xf7, 0x68,
    0xaa, 0x60, 0xb1, 0xf7, 0x05, 0x68, 0x3a, 0xa3, 0x3f, 0xd3, 0x19, 0x82,
    0xd8, 0x82, 0x7a, 0x77, 0xfb, 0xef, 0xf4, 0x15, 0x0a, 0xeb, 0x06, 0x04,
    0x7f, 0x53, 0x07, 0x0c, 0xbc, 0xcb, 0x2d, 0x83, 0xdb, 0x3e, 0xd1, 0x28,
    0xa5, 0xa1, 0x31, 0xe0, 0x67, 0xfa, 0x50, 0xde, 0x9b, 0x07, 0x83, 0x7e,
    0x2c, 0x0b, 0xc3, 0x13, 0x50, 0x61, 0xe5, 0xad, 0xbd, 0x36, 0xb8, 0x97,
    0x4e, 0x40, 0x7d, 0xe8, 0x83, 0x0d, 0xbc, 0x4b
};

static unsigned char dsa1024_p[] = {
    0xA7, 0x3F, 0x6E, 0x85, 0xBF, 0x41, 0x6A, 0x29, 0x7D, 0xF0, 0x9F, 0x47,
    0x19, 0x30, 0x90, 0x9A, 0x09, 0x1D, 0xDA, 0x6A, 0x33, 0x1E, 0xC5, 0x3D,
    0x86, 0x96, 0xB3, 0x15, 0xE0, 0x53, 0x2E, 0x8F, 0xE0, 0x59, 0x82, 0x73,
    0x90, 0x3E, 0x75, 0x31, 0x99, 0x47, 0x7A, 0x52, 0xFB, 0x85, 0xE4, 0xD9,
    0xA6, 0x7B, 0x38, 0x9B, 0x68, 0x8A, 0x84, 0x9B, 0x87, 0xC6, 0x1E, 0xB5,
    0x7E, 0x86, 0x4B, 0x53, 0x5B, 0x59, 0xCF, 0x71, 0x65, 0x19, 0x88, 0x6E,
    0xCE, 0x66, 0xAE, 0x6B, 0x88, 0x36, 0xFB, 0xEC, 0x28, 0xDC, 0xC2, 0xD7,
    0xA5, 0xBB, 0xE5, 0x2C, 0x39, 0x26, 0x4B, 0xDA, 0x9A, 0x70, 0x18, 0x95,
    0x37, 0x95, 0x10, 0x56, 0x23, 0xF6, 0x15, 0xED, 0xBA, 0x04, 0x5E, 0xDE,
    0x39, 0x4F, 0xFD, 0xB7, 0x43, 0x1F, 0xB5, 0xA4, 0x65, 0x6F, 0xCD, 0x80,
    0x11, 0xE4, 0x70, 0x95, 0x5B, 0x50, 0xCD, 0x49,
};

static unsigned char dsa1024_q[] = {
    0xF7, 0x07, 0x31, 0xED, 0xFA, 0x6C, 0x06, 0x03, 0xD5, 0x85, 0x8A, 0x1C,
    0xAC, 0x9C, 0x65, 0xE7, 0x50, 0x66, 0x65, 0x6F,
};

static unsigned char dsa1024_g[] = {
    0x4D, 0xDF, 0x4C, 0x03, 0xA6, 0x91, 0x8A, 0xF5, 0x19, 0x6F, 0x50, 0x46,
    0x25, 0x99, 0xE5, 0x68, 0x6F, 0x30, 0xE3, 0x69, 0xE1, 0xE5, 0xB3, 0x5D,
    0x98, 0xBB, 0x28, 0x86, 0x48, 0xFC, 0xDE, 0x99, 0x04, 0x3F, 0x5F, 0x88,
    0x0C, 0x9C, 0x73, 0x24, 0x0D, 0x20, 0x5D, 0xB9, 0x2A, 0x9A, 0x3F, 0x18,
    0x96, 0x27, 0xE4, 0x62, 0x87, 0xC1, 0x7B, 0x74, 0x62, 0x53, 0xFC, 0x61,
    0x27, 0xA8, 0x7A, 0x91, 0x09, 0x9D, 0xB6, 0xF1, 0x4D, 0x9C, 0x54, 0x0F,
    0x58, 0x06, 0xEE, 0x49, 0x74, 0x07, 0xCE, 0x55, 0x7E, 0x23, 0xCE, 0x16,
    0xF6, 0xCA, 0xDC, 0x5A, 0x61, 0x01, 0x7E, 0xC9, 0x71, 0xB5, 0x4D, 0xF6,
    0xDC, 0x34, 0x29, 0x87, 0x68, 0xF6, 0x5E, 0x20, 0x93, 0xB3, 0xDB, 0xF5,
    0xE4, 0x09, 0x6C, 0x41, 0x17, 0x95, 0x92, 0xEB, 0x01, 0xB5, 0x73, 0xA5,
    0x6A, 0x7E, 0xD8, 0x32, 0xED, 0x0E, 0x02, 0xB8,
};

static unsigned char dsa2048_priv[] = {
    0x32, 0x67, 0x92, 0xf6, 0xc4, 0xe2, 0xe2, 0xe8, 0xa0, 0x8b, 0x6b, 0x45,
    0x0c, 0x8a, 0x76, 0xb0, 0xee, 0xcf, 0x91, 0xa7,
};

static unsigned char dsa2048_pub[] = {
    0x17, 0x8f, 0xa8, 0x11, 0x84, 0x92, 0xec, 0x83, 0x47, 0xc7, 0x6a, 0xb0,
    0x92, 0xaf, 0x5a, 0x20, 0x37, 0xa3, 0x64, 0x79, 0xd2, 0xd0, 0x3d, 0xcd,
    0xe0, 0x61, 0x88, 0x88, 0x21, 0xcc, 0x74, 0x5d, 0xce, 0x4c, 0x51, 0x47,
    0xf0, 0xc5, 0x5c, 0x4c, 0x82, 0x7a, 0xaf, 0x72, 0xad, 0xb9, 0xe0, 0x53,
    0xf2, 0x78, 0xb7, 0xf0, 0xb5, 0x48, 0x7f, 0x8a, 0x3a, 0x18, 0xd1, 0x9f,
    0x8b, 0x7d, 0xa5, 0x47, 0xb7, 0x95, 0xab, 0x98, 0xf8, 0x7b, 0x74, 0x50,
    0x56, 0x8e, 0x57, 0xf0, 0xee, 0xf5, 0xb7, 0xba, 0xab, 0x85, 0x86, 0xf9,
    0x2b, 0xef, 0x41, 0x56, 0xa0, 0xa4, 0x9f, 0xb7, 0x38, 0x00, 0x46, 0x0a,
    0xa6, 0xf1, 0xfc, 0x1f, 0xd8, 0x4e, 0x85, 0x44, 0x92, 0x43, 0x21, 0x5d,
    0x6e, 0xcc, 0xc2, 0xcb, 0x26, 0x31, 0x0d, 0x21, 0xc4, 0xbd, 0x8d, 0x24,
    0xbc, 0xd9, 0x18, 0x19, 0xd7, 0xdc, 0xf1, 0xe7, 0x93, 0x50, 0x48, 0x03,
    0x2c, 0xae, 0x2e, 0xe7, 0x49, 0x88, 0x5f, 0x93, 0x57, 0x27, 0x99, 0x36,
    0xb4, 0x20, 0xab, 0xfc, 0xa7, 0x2b, 0xf2, 0xd9, 0x98, 0xd7, 0xd4, 0x34,
    0x9d, 0x96, 0x50, 0x58, 0x9a, 0xea, 0x54, 0xf3, 0xee, 0xf5, 0x63, 0x14,
    0xee, 0x85, 0x83, 0x74, 0x76, 0xe1, 0x52, 0x95, 0xc3, 0xf7, 0xeb, 0x04,
    0x04, 0x7b, 0xa7, 0x28, 0x1b, 0xcc, 0xea, 0x4a, 0x4e, 0x84, 0xda, 0xd8,
    0x9c, 0x79, 0xd8, 0x9b, 0x66, 0x89, 0x2f, 0xcf, 0xac, 0xd7, 0x79, 0xf9,
    0xa9, 0xd8, 0x45, 0x13, 0x78, 0xb9, 0x00, 0x14, 0xc9, 0x7e, 0x22, 0x51,
    0x86, 0x67, 0xb0, 0x9f, 0x26, 0x11, 0x23, 0xc8, 0x38, 0xd7, 0x70, 0x1d,
    0x15, 0x8e, 0x4d, 0x4f, 0x95, 0x97, 0x40, 0xa1, 0xc2, 0x7e, 0x01, 0x18,
    0x72, 0xf4, 0x10, 0xe6, 0x8d, 0x52, 0x16, 0x7f, 0xf2, 0xc9, 0xf8, 0x33,
    0x8b, 0x33, 0xb7, 0xce,
};

static unsigned char dsa2048_p[] = {
    0xA0, 0x25, 0xFA, 0xAD, 0xF4, 0x8E, 0xB9, 0xE5, 0x99, 0xF3, 0x5D, 0x6F,
    0x4F, 0x83, 0x34, 0xE2, 0x7E, 0xCF, 0x6F, 0xBF, 0x30, 0xAF, 0x6F, 0x81,
    0xEB, 0xF8, 0xC4, 0x13, 0xD9, 0xA0, 0x5D, 0x8B, 0x5C, 0x8E, 0xDC, 0xC2,
    0x1D, 0x0B, 0x41, 0x32, 0xB0, 0x1F, 0xFE, 0xEF, 0x0C, 0xC2, 0xA2, 0x7E,
    0x68, 0x5C, 0x28, 0x21, 0xE9, 0xF5, 0xB1, 0x58, 0x12, 0x63, 0x4C, 0x19,
    0x4E, 0xFF, 0x02, 0x4B, 0x92, 0xED, 0xD2, 0x07, 0x11, 0x4D, 0x8C, 0x58,
    0x16, 0x5C, 0x55, 0x8E, 0xAD, 0xA3, 0x67, 0x7D, 0xB9, 0x86, 0x6E, 0x0B,
    0xE6, 0x54, 0x6F, 0x40, 0xAE, 0x0E, 0x67, 0x4C, 0xF9, 0x12, 0x5B, 0x3C,
    0x08, 0x7A, 0xF7, 0xFC, 0x67, 0x86, 0x69, 0xE7, 0x0A, 0x94, 0x40, 0xBF,
    0x8B, 0x76, 0xFE, 0x26, 0xD1, 0xF2, 0xA1, 0x1A, 0x84, 0xA1, 0x43, 0x56,
    0x28, 0xBC, 0x9A, 0x5F, 0xD7, 0x3B, 0x69, 0x89, 0x8A, 0x36, 0x2C, 0x51,
    0xDF, 0x12, 0x77, 0x2F, 0x57, 0x7B, 0xA0, 0xAA, 0xDD, 0x7F, 0xA1, 0x62,
    0x3B, 0x40, 0x7B, 0x68, 0x1A, 0x8F, 0x0D, 0x38, 0xBB, 0x21, 0x5D, 0x18,
    0xFC, 0x0F, 0x46, 0xF7, 0xA3, 0xB0, 0x1D, 0x23, 0xC3, 0xD2, 0xC7, 0x72,
    0x51, 0x18, 0xDF, 0x46, 0x95, 0x79, 0xD9, 0xBD, 0xB5, 0x19, 0x02, 0x2C,
    0x87, 0xDC, 0xE7, 0x57, 0x82, 0x7E, 0xF1, 0x8B, 0x06, 0x3D, 0x00, 0xA5,
    0x7B, 0x6B, 0x26, 0x27, 0x91, 0x0F, 0x6A, 0x77, 0xE4, 0xD5, 0x04, 0xE4,
    0x12, 0x2C, 0x42, 0xFF, 0xD2, 0x88, 0xBB, 0xD3, 0x92, 0xA0, 0xF9, 0xC8,
    0x51, 0x64, 0x14, 0x5C, 0xD8, 0xF9, 0x6C, 0x47, 0x82, 0xB4, 0x1C, 0x7F,
    0x09, 0xB8, 0xF0, 0x25, 0x83, 0x1D, 0x3F, 0x3F, 0x05, 0xB3, 0x21, 0x0A,
    0x5D, 0xA7, 0xD8, 0x54, 0xC3, 0x65, 0x7D, 0xC3, 0xB0, 0x1D, 0xBF, 0xAE,
    0xF8, 0x68, 0xCF, 0x9B,
};

static unsigned char dsa2048_q[] = {
    0x97, 0xE7, 0x33, 0x4D, 0xD3, 0x94, 0x3E, 0x0B, 0xDB, 0x62, 0x74, 0xC6,
    0xA1, 0x08, 0xDD, 0x19, 0xA3, 0x75, 0x17, 0x1B,
};

static unsigned char dsa2048_g[] = {
    0x2C, 0x78, 0x16, 0x59, 0x34, 0x63, 0xF4, 0xF3, 0x92, 0xFC, 0xB5, 0xA5,
    0x4F, 0x13, 0xDE, 0x2F, 0x1C, 0xA4, 0x3C, 0xAE, 0xAD, 0x38, 0x3F, 0x7E,
    0x90, 0xBF, 0x96, 0xA6, 0xAE, 0x25, 0x90, 0x72, 0xF5, 0x8E, 0x80, 0x0C,
    0x39, 0x1C, 0xD9, 0xEC, 0xBA, 0x90, 0x5B, 0x3A, 0xE8, 0x58, 0x6C, 0x9E,
    0x30, 0x42, 0x37, 0x02, 0x31, 0x82, 0xBC, 0x6A, 0xDF, 0x6A, 0x09, 0x29,
    0xE3, 0xC0, 0x46, 0xD1, 0xCB, 0x85, 0xEC, 0x0C, 0x30, 0x5E, 0xEA, 0xC8,
    0x39, 0x8E, 0x22, 0x9F, 0x22, 0x10, 0xD2, 0x34, 0x61, 0x68, 0x37, 0x3D,
    0x2E, 0x4A, 0x5B, 0x9A, 0xF5, 0xC1, 0x48, 0xC6, 0xF6, 0xDC, 0x63, 0x1A,
    0xD3, 0x96, 0x64, 0xBA, 0x34, 0xC9, 0xD1, 0xA0, 0xD1, 0xAE, 0x6C, 0x2F,
    0x48, 0x17, 0x93, 0x14, 0x43, 0xED, 0xF0, 0x21, 0x30, 0x19, 0xC3, 0x1B,
    0x5F, 0xDE, 0xA3, 0xF0, 0x70, 0x78, 0x18, 0xE1, 0xA8, 0xE4, 0xEE, 0x2E,
    0x00, 0xA5, 0xE4, 0xB3, 0x17, 0xC8, 0x0C, 0x7D, 0x6E, 0x42, 0xDC, 0xB7,
    0x46, 0x00, 0x36, 0x4D, 0xD4, 0x46, 0xAA, 0x3D, 0x3C, 0x46, 0x89, 0x40,
    0xBF, 0x1D, 0x84, 0x77, 0x0A, 0x75, 0xF3, 0x87, 0x1D, 0x08, 0x4C, 0xA6,
    0xD1, 0xA9, 0x1C, 0x1E, 0x12, 0x1E, 0xE1, 0xC7, 0x30, 0x28, 0x76, 0xA5,
    0x7F, 0x6C, 0x85, 0x96, 0x2B, 0x6F, 0xDB, 0x80, 0x66, 0x26, 0xAE, 0xF5,
    0x93, 0xC7, 0x8E, 0xAE, 0x9A, 0xED, 0xE4, 0xCA, 0x04, 0xEA, 0x3B, 0x72,
    0xEF, 0xDC, 0x87, 0xED, 0x0D, 0xA5, 0x4C, 0x4A, 0xDD, 0x71, 0x22, 0x64,
    0x59, 0x69, 0x4E, 0x8E, 0xBF, 0x43, 0xDC, 0xAB, 0x8E, 0x66, 0xBB, 0x01,
    0xB6, 0xF4, 0xE7, 0xFD, 0xD2, 0xAD, 0x9F, 0x36, 0xC1, 0xA0, 0x29, 0x99,
    0xD1, 0x96, 0x70, 0x59, 0x06, 0x78, 0x35, 0xBD, 0x65, 0x55, 0x52, 0x9E,
    0xF8, 0xB2, 0xE5, 0x38,
};

typedef struct testdsa_st {
    unsigned char *priv;
    unsigned char *pub;
    unsigned char *p;
    unsigned char *g;
    unsigned char *q;
    int priv_l;
    int pub_l;
    int p_l;
    int g_l;
    int q_l;
} testdsa;

#define set_dsa_ptr(st, bits) \
    do { \
        st.priv = dsa##bits##_priv; \
        st.pub = dsa##bits##_pub; \
        st.p = dsa##bits##_p; \
        st.g = dsa##bits##_g; \
        st.q = dsa##bits##_q; \
        st.priv_l = sizeof(dsa##bits##_priv); \
        st.pub_l = sizeof(dsa##bits##_pub); \
        st.p_l = sizeof(dsa##bits##_p); \
        st.g_l = sizeof(dsa##bits##_g); \
        st.q_l = sizeof(dsa##bits##_q); \
    } while (0)

DSA *get_dsa(int dsa_bits)
{
    DSA *dsa;
    BIGNUM *priv_key, *pub_key, *p, *q, *g;
    testdsa dsa_t;

    switch (dsa_bits) {
    case 512:
        set_dsa_ptr(dsa_t, 512);
        break;
    case 1024:
        set_dsa_ptr(dsa_t, 1024);
        break;
    case 2048:
        set_dsa_ptr(dsa_t, 2048);
        break;
    default:
        return NULL;
    }

    if ((dsa = DSA_new()) == NULL)
        return NULL;
    priv_key = BN_bin2bn(dsa_t.priv, dsa_t.priv_l, NULL);
    pub_key = BN_bin2bn(dsa_t.pub, dsa_t.pub_l, NULL);
    p = BN_bin2bn(dsa_t.p, dsa_t.p_l, NULL);
    q = BN_bin2bn(dsa_t.q, dsa_t.q_l, NULL);
    g = BN_bin2bn(dsa_t.g, dsa_t.g_l, NULL);
    if ((priv_key == NULL) || (pub_key == NULL) || (p == NULL) || (q == NULL)
         || (g == NULL)) {
        goto err;
    }
    if (!DSA_set0_pqg(dsa, p, q, g))
        goto err;

    if (!DSA_set0_key(dsa, pub_key, priv_key))
        goto err;

    return dsa;
 err:
    DSA_free(dsa);
    BN_free(priv_key);
    BN_free(pub_key);
    BN_free(p);
    BN_free(q);
    BN_free(g);
    return NULL;
}