1 /* ====================================================================
2 * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 #define OPENSSL_FIPSAPI
52 #include <openssl/fips_rand.h>
53 #include <openssl/objects.h>
55 int hex2bin(const char *in, unsigned char *out);
56 unsigned char *hex2bin_m(const char *in, long *plen);
57 int do_hex2bn(BIGNUM **pr, const char *in);
58 int do_bn_print(FILE *out, const BIGNUM *bn);
59 int do_bn_print_name(FILE *out, const char *name, const BIGNUM *bn);
60 int parse_line(char **pkw, char **pval, char *linebuf, char *olinebuf);
61 int parse_line2(char **pkw, char **pval, char *linebuf, char *olinebuf, int eol);
62 BIGNUM *hex2bn(const char *in);
63 int tidy_line(char *linebuf, char *olinebuf);
64 int bint2bin(const char *in, int len, unsigned char *out);
65 int bin2bint(const unsigned char *in,int len,char *out);
66 void PrintValue(char *tag, unsigned char *val, int len);
67 void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode);
68 void fips_algtest_init(void);
69 void do_entropy_stick(void);
70 int fips_strncasecmp(const char *str1, const char *str2, size_t n);
71 int fips_strcasecmp(const char *str1, const char *str2);
75 static void put_err_cb(int lib, int func,int reason,const char *file,int line)
79 fprintf(stderr, "ERROR:%08lX:lib=%d,func=%d,reason=%d"
81 ERR_PACK(lib, func, reason),
82 lib, func, reason, file, line);
85 static void add_err_cb(int num, va_list args)
92 for (i = 0; i < num; i++)
94 str = va_arg(args, char *);
101 /* Dummy Entropy to keep DRBG happy. WARNING: THIS IS TOTALLY BOGUS
102 * HAS ZERO SECURITY AND MUST NOT BE USED IN REAL APPLICATIONS.
105 static unsigned char dummy_entropy[1024];
107 static size_t dummy_cb(DRBG_CTX *ctx, unsigned char **pout,
108 int entropy, size_t min_len, size_t max_len)
110 *pout = dummy_entropy;
114 static int entropy_stick = 0;
116 static void fips_algtest_init_nofips(void)
120 FIPS_set_error_callbacks(put_err_cb, add_err_cb);
121 for (i = 0; i < sizeof(dummy_entropy); i++)
122 dummy_entropy[i] = i & 0xff;
124 memcpy(dummy_entropy + 32, dummy_entropy + 16, 16);
125 ctx = FIPS_get_default_drbg();
126 FIPS_drbg_init(ctx, NID_aes_256_ctr, DRBG_FLAG_CTR_USE_DF);
127 FIPS_drbg_set_callbacks(ctx, dummy_cb, 0, 16, dummy_cb, 0);
128 FIPS_drbg_instantiate(ctx, dummy_entropy, 10);
129 FIPS_rand_set_method(FIPS_drbg_method());
132 void do_entropy_stick(void)
137 void fips_algtest_init(void)
139 fips_algtest_init_nofips();
140 if (!FIPS_module_mode_set(1))
142 fprintf(stderr, "Error entering FIPS mode\n");
147 int hex2bin(const char *in, unsigned char *out)
149 int n1, n2, isodd = 0;
153 if (in[n1 - 1] == '\n')
159 for (n1=0,n2=0 ; in[n1] && in[n1] != '\n' ; )
161 if ((in[n1] >= '0') && (in[n1] <= '9'))
163 else if ((in[n1] >= 'A') && (in[n1] <= 'F'))
164 ch = in[n1++] - 'A' + 10;
165 else if ((in[n1] >= 'a') && (in[n1] <= 'f'))
166 ch = in[n1++] - 'a' + 10;
174 /* If input is odd length first digit is least significant: assumes
175 * all digits valid hex and null terminated which is true for the
178 if (n1 == 1 && isodd)
185 if ((in[n1] >= '0') && (in[n1] <= '9'))
187 else if ((in[n1] >= 'A') && (in[n1] <= 'F'))
188 ch = in[n1++] - 'A' + 10;
189 else if ((in[n1] >= 'a') && (in[n1] <= 'f'))
190 ch = in[n1++] - 'a' + 10;
198 unsigned char *hex2bin_m(const char *in, long *plen)
204 return OPENSSL_malloc(1);
206 p = OPENSSL_malloc((strlen(in) + 1)/2);
207 *plen = hex2bin(in, p);
211 int do_hex2bn(BIGNUM **pr, const char *in)
216 p = hex2bin_m(in, &plen);
223 if (BN_bin2bn(p, plen, *pr))
229 int do_bn_print(FILE *out, const BIGNUM *bn)
233 len = BN_num_bytes(bn);
240 tmp = OPENSSL_malloc(len);
243 fprintf(stderr, "Memory allocation error\n");
247 for (i = 0; i < len; i++)
248 fprintf(out, "%02x", tmp[i]);
253 int do_bn_print_name(FILE *out, const char *name, const BIGNUM *bn)
256 fprintf(out, "%s = ", name);
257 r = do_bn_print(out, bn);
264 int parse_line(char **pkw, char **pval, char *linebuf, char *olinebuf)
266 return parse_line2(pkw, pval, linebuf, olinebuf, 1);
269 int parse_line2(char **pkw, char **pval, char *linebuf, char *olinebuf, int eol)
271 char *keyword, *value, *p, *q;
272 strcpy(linebuf, olinebuf);
274 /* Skip leading space */
275 while (isspace((unsigned char)*keyword))
278 /* Look for = sign */
279 p = strchr(linebuf, '=');
287 /* Remove trailing space */
288 while (isspace((unsigned char)*q))
294 /* Remove leading space from value */
295 while (isspace((unsigned char)*value))
298 /* Remove trailing space from value */
299 p = value + strlen(value) - 1;
301 if (eol && *p != '\n')
302 fprintf(stderr, "Warning: missing EOL\n");
304 while (*p == '\n' || isspace((unsigned char)*p))
312 BIGNUM *hex2bn(const char *in)
316 if (!do_hex2bn(&p, in))
322 /* To avoid extensive changes to test program at this stage just convert
323 * the input line into an acceptable form. Keyword lines converted to form
324 * "keyword = value\n" no matter what white space present, all other lines
325 * just have leading and trailing space removed.
328 int tidy_line(char *linebuf, char *olinebuf)
330 char *keyword, *value, *p, *q;
331 strcpy(linebuf, olinebuf);
333 /* Skip leading space */
334 while (isspace((unsigned char)*keyword))
336 /* Look for = sign */
337 p = strchr(linebuf, '=');
339 /* If no '=' just chop leading, trailing ws */
342 p = keyword + strlen(keyword) - 1;
343 while (*p == '\n' || isspace((unsigned char)*p))
345 strcpy(olinebuf, keyword);
346 strcat(olinebuf, "\n");
352 /* Remove trailing space */
353 while (isspace((unsigned char)*q))
359 /* Remove leading space from value */
360 while (isspace((unsigned char)*value))
363 /* Remove trailing space from value */
364 p = value + strlen(value) - 1;
366 while (*p == '\n' || isspace((unsigned char)*p))
369 strcpy(olinebuf, keyword);
370 strcat(olinebuf, " = ");
371 strcat(olinebuf, value);
372 strcat(olinebuf, "\n");
377 /* NB: this return the number of _bits_ read */
378 int bint2bin(const char *in, int len, unsigned char *out)
383 for(n=0 ; n < len ; ++n)
385 out[n/8]|=(0x80 >> (n%8));
389 int bin2bint(const unsigned char *in,int len,char *out)
393 for(n=0 ; n < len ; ++n)
394 out[n]=(in[n/8]&(0x80 >> (n%8))) ? '1' : '0';
398 /*-----------------------------------------------*/
400 void PrintValue(char *tag, unsigned char *val, int len)
403 OutputValue(tag, val, len, stdout, 0);
407 void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode)
414 olen=bin2bint(val,len,obuf);
415 fprintf(rfp, "%s = %.*s\n", tag, olen, obuf);
420 fprintf(rfp, "%s = ", tag);
421 for (i = 0; i < len; i++)
422 fprintf(rfp, "%02x", val[i]);
427 printf("%s = %.*s\n", tag, olen, obuf);
431 /* Not all platforms support strcasecmp and strncasecmp: implement versions
432 * in here to avoid need to include them in the validated module. Taken
433 * from crypto/o_str.c written by Richard Levitte (richard@levitte.org)
436 int fips_strncasecmp(const char *str1, const char *str2, size_t n)
438 while (*str1 && *str2 && n)
440 int res = toupper(*str1) - toupper(*str2);
441 if (res) return res < 0 ? -1 : 1;
455 int fips_strcasecmp(const char *str1, const char *str2)
457 return fips_strncasecmp(str1, str2, (size_t)-1);