aboutsummaryrefslogtreecommitdiff
path: root/fips/rand/fips_rngvs.c
blob: cb904eaf0ba429ae913b84e685c6e9f9da7b5d3e (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
/*
 * Crude test driver for processing the VST and MCT testvector files
 * generated by the CMVP RNGVS product.
 *
 * Note the input files are assumed to have a _very_ specific format
 * as described in the NIST document "The Random Number Generator
 * Validation System (RNGVS)", May 25, 2004.
 *
 */
#include <openssl/opensslconf.h>

#ifndef OPENSSL_FIPS
#include <stdio.h>

int main(int argc, char **argv)
{
    printf("No FIPS RNG support\n");
    return 0;
}
#else

#include <openssl/bn.h>
#include <openssl/dsa.h>
#include <openssl/fips.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/fips_rand.h>
#include <openssl/x509v3.h>
#include <string.h>
#include <ctype.h>

#include "fips_utl.h"

void vst()
    {
    unsigned char *key = NULL;
    unsigned char *v = NULL;
    unsigned char *dt = NULL;
    unsigned char ret[16];
    char buf[1024];
    char lbuf[1024];
    char *keyword, *value;
    long i, keylen;

    keylen = 0;

    while(fgets(buf,sizeof buf,stdin) != NULL)
	{
	fputs(buf,stdout);
	if(!strncmp(buf,"[AES 128-Key]", 13))
		keylen = 16;
	else if(!strncmp(buf,"[AES 192-Key]", 13))
		keylen = 24;
	else if(!strncmp(buf,"[AES 256-Key]", 13))
		keylen = 32;
	if (!parse_line(&keyword, &value, lbuf, buf))
		continue;
	if(!strcmp(keyword,"Key"))
	    {
	    key=hex2bin_m(value,&i);
	    if (i != keylen)
		{
		fprintf(stderr, "Invalid key length, expecting %ld\n", keylen);
		return;
		}
	    }
	else if(!strcmp(keyword,"DT"))
	    {
	    dt=hex2bin_m(value,&i);
	    if (i != 16)
		{
		fprintf(stderr, "Invalid DT length\n");
		return;
		}
	    }
	else if(!strcmp(keyword,"V"))
	    {
	    v=hex2bin_m(value,&i);
	    if (i != 16)
		{
		fprintf(stderr, "Invalid V length\n");
		return;
		}

	    if (!key || !dt)
		{
		fprintf(stderr, "Missing key or DT\n");
		return;
		}

	    FIPS_rand_set_key(key, keylen);
	    FIPS_rand_seed(v,16);
	    FIPS_rand_set_dt(dt);
	    if (FIPS_rand_bytes(ret,16) <= 0)
		{
		fprintf(stderr, "Error getting PRNG value\n");
	        return;
	        }

	    pv("R",ret,16);
	    OPENSSL_free(key);
	    key = NULL;
	    OPENSSL_free(dt);
	    dt = NULL;
	    OPENSSL_free(v);
	    v = NULL;
	    }
	}
    }

void mct()
    {
    unsigned char *key = NULL;
    unsigned char *v = NULL;
    unsigned char *dt = NULL;
    unsigned char ret[16];
    char buf[1024];
    char lbuf[1024];
    char *keyword, *value;
    long i, keylen;
    int j;

    keylen = 0;

    while(fgets(buf,sizeof buf,stdin) != NULL)
	{
	fputs(buf,stdout);
	if(!strncmp(buf,"[AES 128-Key]", 13))
		keylen = 16;
	else if(!strncmp(buf,"[AES 192-Key]", 13))
		keylen = 24;
	else if(!strncmp(buf,"[AES 256-Key]", 13))
		keylen = 32;
	if (!parse_line(&keyword, &value, lbuf, buf))
		continue;
	if(!strcmp(keyword,"Key"))
	    {
	    key=hex2bin_m(value,&i);
	    if (i != keylen)
		{
		fprintf(stderr, "Invalid key length, expecting %ld\n", keylen);
		return;
		}
	    }
	else if(!strcmp(keyword,"DT"))
	    {
	    dt=hex2bin_m(value,&i);
	    if (i != 16)
		{
		fprintf(stderr, "Invalid DT length\n");
		return;
		}
	    }
	else if(!strcmp(keyword,"V"))
	    {
	    v=hex2bin_m(value,&i);
	    if (i != 16)
		{
		fprintf(stderr, "Invalid V length\n");
		return;
		}

	    if (!key || !dt)
		{
		fprintf(stderr, "Missing key or DT\n");
		return;
		}

	    FIPS_rand_set_key(key, keylen);
	    FIPS_rand_seed(v,16);
	    for (i = 0; i < 10000; i++)
		{
		    FIPS_rand_set_dt(dt);
		    if (FIPS_rand_bytes(ret,16) <= 0)
			{
			fprintf(stderr, "Error getting PRNG value\n");
		        return;
		        }
		    /* Increment DT */
		    for (j = 15; j >= 0; j--)
			{
			dt[j]++;
			if (dt[j])
				break;
			}
		}

	    pv("R",ret,16);
	    OPENSSL_free(key);
	    key = NULL;
	    OPENSSL_free(dt);
	    dt = NULL;
	    OPENSSL_free(v);
	    v = NULL;
	    }
	}
    }

int main(int argc,char **argv)
    {
    if(argc != 2)
	{
	fprintf(stderr,"%s [mct|vst]\n",argv[0]);
	exit(1);
	}
    if(!FIPS_mode_set(1))
	{
	do_print_errors();
	exit(1);
	}
    FIPS_rand_reset();
    if (!FIPS_rand_test_mode())
	{
	fprintf(stderr, "Error setting PRNG test mode\n");
	do_print_errors();
	exit(1);
	}
    if(!strcmp(argv[1],"mct"))
	mct();
    else if(!strcmp(argv[1],"vst"))
	vst();
    else
	{
	fprintf(stderr,"Don't know how to %s.\n",argv[1]);
	exit(1);
	}

    return 0;
    }
#endif