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
|
/*
* Copyright 1995-2016 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../e_os.h"
#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#ifdef OPENSSL_NO_DSA
int main(int argc, char *argv[])
{
printf("No DSA support\n");
return (0);
}
#else
# include <openssl/dsa.h>
static int dsa_cb(int p, int n, BN_GENCB *arg);
/*
* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to FIPS
* PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1
*/
static unsigned char seed[20] = {
0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40,
0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3,
};
static unsigned char out_p[] = {
0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa,
0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb,
0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7,
0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5,
0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf,
0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac,
0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2,
0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91,
};
static unsigned char out_q[] = {
0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee,
0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e,
0xda, 0xce, 0x91, 0x5f,
};
static unsigned char out_g[] = {
0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13,
0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00,
0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb,
0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e,
0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf,
0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c,
0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c,
0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02,
};
static const unsigned char str1[] = "12345678901234567890";
static const char rnd_seed[] =
"string to make the random number generator think it has entropy";
static BIO *bio_err = NULL;
int main(int argc, char **argv)
{
BN_GENCB *cb;
DSA *dsa = NULL;
int counter, ret = 0, i, j;
unsigned char buf[256];
unsigned long h;
unsigned char sig[256];
unsigned int siglen;
const BIGNUM *p = NULL, *q = NULL, *g = NULL;
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
RAND_seed(rnd_seed, sizeof(rnd_seed));
BIO_printf(bio_err, "test generation of DSA parameters\n");
cb = BN_GENCB_new();
if (!cb)
goto end;
BN_GENCB_set(cb, dsa_cb, bio_err);
if (((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512,
seed, 20,
&counter,
&h, cb))
goto end;
BIO_printf(bio_err, "seed\n");
for (i = 0; i < 20; i += 4) {
BIO_printf(bio_err, "%02X%02X%02X%02X ",
seed[i], seed[i + 1], seed[i + 2], seed[i + 3]);
}
BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h);
DSA_print(bio_err, dsa, 0);
if (counter != 105) {
BIO_printf(bio_err, "counter should be 105\n");
goto end;
}
if (h != 2) {
BIO_printf(bio_err, "h should be 2\n");
goto end;
}
DSA_get0_pqg(dsa, &p, &q, &g);
i = BN_bn2bin(q, buf);
j = sizeof(out_q);
if ((i != j) || (memcmp(buf, out_q, i) != 0)) {
BIO_printf(bio_err, "q value is wrong\n");
goto end;
}
i = BN_bn2bin(p, buf);
j = sizeof(out_p);
if ((i != j) || (memcmp(buf, out_p, i) != 0)) {
BIO_printf(bio_err, "p value is wrong\n");
goto end;
}
i = BN_bn2bin(g, buf);
j = sizeof(out_g);
if ((i != j) || (memcmp(buf, out_g, i) != 0)) {
BIO_printf(bio_err, "g value is wrong\n");
goto end;
}
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
ret = 1;
end:
if (!ret)
ERR_print_errors(bio_err);
DSA_free(dsa);
BN_GENCB_free(cb);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks(bio_err) <= 0)
ret = 0;
#endif
BIO_free(bio_err);
bio_err = NULL;
EXIT(!ret);
}
static int dsa_cb(int p, int n, BN_GENCB *arg)
{
char c = '*';
static int ok = 0, num = 0;
if (p == 0) {
c = '.';
num++;
};
if (p == 1)
c = '+';
if (p == 2) {
c = '*';
ok++;
}
if (p == 3)
c = '\n';
BIO_write(BN_GENCB_get_arg(arg), &c, 1);
(void)BIO_flush(BN_GENCB_get_arg(arg));
if (!ok && (p == 0) && (num > 1)) {
BIO_printf(BN_GENCB_get_arg(arg), "error in dsatest\n");
return 0;
}
return 1;
}
#endif
|
