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1/* crypto/bn/bntest.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#include "e_os.h"
63#include "bio.h"
64#include "bn.h"
65#include "rand.h"
66#include "x509.h"
67#include "err.h"
68
69#ifdef WINDOWS
70#include "../bio/bss_file.c"
71#endif
72
73#ifndef NOPROTO
74int test_add (BIO *bp);
75int test_sub (BIO *bp);
76int test_lshift1 (BIO *bp);
77int test_lshift (BIO *bp);
78int test_rshift1 (BIO *bp);
79int test_rshift (BIO *bp);
80int test_div (BIO *bp,BN_CTX *ctx);
81int test_mul (BIO *bp);
82int test_sqr (BIO *bp,BN_CTX *ctx);
83int test_mont (BIO *bp,BN_CTX *ctx);
84int test_mod (BIO *bp,BN_CTX *ctx);
85int test_mod_mul (BIO *bp,BN_CTX *ctx);
86int test_mod_exp (BIO *bp,BN_CTX *ctx);
87int rand_neg(void);
88#else
89int test_add ();
90int test_sub ();
91int test_lshift1 ();
92int test_lshift ();
93int test_rshift1 ();
94int test_rshift ();
95int test_div ();
96int test_mul ();
97int test_sqr ();
98int test_mont ();
99int test_mod ();
100int test_mod_mul ();
101int test_mod_exp ();
102int rand_neg();
103#endif
104
105static int results=0;
106
107#ifdef NO_STDIO
108#define APPS_WIN16
109#include "bss_file.c"
110#endif
111
112int main(argc,argv)
113int argc;
114char *argv[];
115 {
116 BN_CTX *ctx;
117 BIO *out;
118 char *outfile=NULL;
119
120 srand((unsigned int)time(NULL));
121
122 argc--;
123 argv++;
124 while (argc >= 1)
125 {
126 if (strcmp(*argv,"-results") == 0)
127 results=1;
128 else if (strcmp(*argv,"-out") == 0)
129 {
130 if (--argc < 1) break;
131 outfile= *(++argv);
132 }
133 argc--;
134 argv++;
135 }
136
137
138 ctx=BN_CTX_new();
139 if (ctx == NULL) exit(1);
140
141 out=BIO_new(BIO_s_file());
142 if (out == NULL) exit(1);
143 if (outfile == NULL)
144 {
145 BIO_set_fp(out,stdout,BIO_NOCLOSE);
146 }
147 else
148 {
149 if (!BIO_write_filename(out,outfile))
150 {
151 perror(outfile);
152 exit(1);
153 }
154 }
155
156 if (!results)
157 BIO_puts(out,"obase=16\nibase=16\n");
158
159 fprintf(stderr,"test BN_add\n");
160 if (!test_add(out)) goto err;
161 fflush(stdout);
162
163 fprintf(stderr,"test BN_sub\n");
164 if (!test_sub(out)) goto err;
165 fflush(stdout);
166
167 fprintf(stderr,"test BN_lshift1\n");
168 if (!test_lshift1(out)) goto err;
169 fflush(stdout);
170
171 fprintf(stderr,"test BN_lshift\n");
172 if (!test_lshift(out)) goto err;
173 fflush(stdout);
174
175 fprintf(stderr,"test BN_rshift1\n");
176 if (!test_rshift1(out)) goto err;
177 fflush(stdout);
178
179 fprintf(stderr,"test BN_rshift\n");
180 if (!test_rshift(out)) goto err;
181 fflush(stdout);
182
183 fprintf(stderr,"test BN_sqr\n");
184 if (!test_sqr(out,ctx)) goto err;
185 fflush(stdout);
186
187 fprintf(stderr,"test BN_mul\n");
188 if (!test_mul(out)) goto err;
189 fflush(stdout);
190
191 fprintf(stderr,"test BN_div\n");
192 if (!test_div(out,ctx)) goto err;
193 fflush(stdout);
194
195 fprintf(stderr,"test BN_mod\n");
196 if (!test_mod(out,ctx)) goto err;
197 fflush(stdout);
198
199 fprintf(stderr,"test BN_mod_mul\n");
200 if (!test_mod_mul(out,ctx)) goto err;
201 fflush(stdout);
202
203/*
204 fprintf(stderr,"test BN_mont\n");
205 if (!test_mont(out,ctx)) goto err;
206 fflush(stdout);
207*/
208 fprintf(stderr,"test BN_mod_exp\n");
209 if (!test_mod_exp(out,ctx)) goto err;
210 fflush(stdout);
211
212/**/
213 exit(0);
214err:
215 ERR_load_crypto_strings();
216 ERR_print_errors(out);
217 exit(1);
218 return(1);
219 }
220
221int test_add(bp)
222BIO *bp;
223 {
224 BIGNUM *a,*b,*c;
225 int i;
226 int j;
227
228 a=BN_new();
229 b=BN_new();
230 c=BN_new();
231
232 BN_rand(a,512,0,0);
233 for (i=0; i<100; i++)
234 {
235 BN_rand(b,450+i,0,0);
236 a->neg=rand_neg();
237 b->neg=rand_neg();
238 if (bp == NULL)
239 for (j=0; j<10000; j++)
240 BN_add(c,a,b);
241 BN_add(c,a,b);
242 if (bp != NULL)
243 {
244 if (!results)
245 {
246 BN_print(bp,a);
247 BIO_puts(bp," + ");
248 BN_print(bp,b);
249 BIO_puts(bp," - ");
250 }
251 BN_print(bp,c);
252 BIO_puts(bp,"\n");
253 }
254 }
255 BN_free(a);
256 BN_free(b);
257 BN_free(c);
258 return(1);
259 }
260
261int test_sub(bp)
262BIO *bp;
263 {
264 BIGNUM *a,*b,*c;
265 int i;
266 int j;
267
268 a=BN_new();
269 b=BN_new();
270 c=BN_new();
271
272 BN_rand(a,512,0,0);
273 for (i=0; i<100; i++)
274 {
275 BN_rand(b,400+i,0,0);
276 a->neg=rand_neg();
277 b->neg=rand_neg();
278 if (bp == NULL)
279 for (j=0; j<10000; j++)
280 BN_sub(c,a,b);
281 BN_sub(c,a,b);
282 if (bp != NULL)
283 {
284 if (!results)
285 {
286 BN_print(bp,a);
287 BIO_puts(bp," - ");
288 BN_print(bp,b);
289 BIO_puts(bp," - ");
290 }
291 BN_print(bp,c);
292 BIO_puts(bp,"\n");
293 }
294 }
295 BN_free(a);
296 BN_free(b);
297 BN_free(c);
298 return(1);
299 }
300
301int test_div(bp,ctx)
302BIO *bp;
303BN_CTX *ctx;
304 {
305 BIGNUM *a,*b,*c,*d;
306 int i;
307 int j;
308
309 a=BN_new();
310 b=BN_new();
311 c=BN_new();
312 d=BN_new();
313
314 BN_rand(a,400,0,0);
315 for (i=0; i<100; i++)
316 {
317 BN_rand(b,50+i,0,0);
318 a->neg=rand_neg();
319 b->neg=rand_neg();
320 if (bp == NULL)
321 for (j=0; j<100; j++)
322 BN_div(d,c,a,b,ctx);
323 BN_div(d,c,a,b,ctx);
324 if (bp != NULL)
325 {
326 if (!results)
327 {
328 BN_print(bp,a);
329 BIO_puts(bp," / ");
330 BN_print(bp,b);
331 BIO_puts(bp," - ");
332 }
333 BN_print(bp,d);
334 BIO_puts(bp,"\n");
335
336 if (!results)
337 {
338 BN_print(bp,a);
339 BIO_puts(bp," % ");
340 BN_print(bp,b);
341 BIO_puts(bp," - ");
342 }
343 BN_print(bp,c);
344 BIO_puts(bp,"\n");
345 }
346 }
347 BN_free(a);
348 BN_free(b);
349 BN_free(c);
350 BN_free(d);
351 return(1);
352 }
353
354int test_mul(bp)
355BIO *bp;
356 {
357 BIGNUM *a,*b,*c;
358 int i;
359 int j;
360
361 a=BN_new();
362 b=BN_new();
363 c=BN_new();
364
365 BN_rand(a,200,0,0);
366 for (i=0; i<100; i++)
367 {
368 BN_rand(b,250+i,0,0);
369 a->neg=rand_neg();
370 b->neg=rand_neg();
371 if (bp == NULL)
372 for (j=0; j<100; j++)
373 BN_mul(c,a,b);
374 BN_mul(c,a,b);
375 if (bp != NULL)
376 {
377 if (!results)
378 {
379 BN_print(bp,a);
380 BIO_puts(bp," * ");
381 BN_print(bp,b);
382 BIO_puts(bp," - ");
383 }
384 BN_print(bp,c);
385 BIO_puts(bp,"\n");
386 }
387 }
388 BN_free(a);
389 BN_free(b);
390 BN_free(c);
391 return(1);
392 }
393
394int test_sqr(bp,ctx)
395BIO *bp;
396BN_CTX *ctx;
397 {
398 BIGNUM *a,*c;
399 int i;
400 int j;
401
402 a=BN_new();
403 c=BN_new();
404
405 for (i=0; i<40; i++)
406 {
407 BN_rand(a,40+i*10,0,0);
408 a->neg=rand_neg();
409 if (bp == NULL)
410 for (j=0; j<100; j++)
411 BN_sqr(c,a,ctx);
412 BN_sqr(c,a,ctx);
413 if (bp != NULL)
414 {
415 if (!results)
416 {
417 BN_print(bp,a);
418 BIO_puts(bp," * ");
419 BN_print(bp,a);
420 BIO_puts(bp," - ");
421 }
422 BN_print(bp,c);
423 BIO_puts(bp,"\n");
424 }
425 }
426 BN_free(a);
427 BN_free(c);
428 return(1);
429 }
430
431int test_mont(bp,ctx)
432BIO *bp;
433BN_CTX *ctx;
434 {
435 BIGNUM *a,*b,*c,*A,*B;
436 BIGNUM *n;
437 int i;
438 int j;
439 BN_MONT_CTX *mont;
440
441 a=BN_new();
442 b=BN_new();
443 c=BN_new();
444 A=BN_new();
445 B=BN_new();
446 n=BN_new();
447
448 mont=BN_MONT_CTX_new();
449
450 BN_rand(a,100,0,0); /**/
451 BN_rand(b,100,0,0); /**/
452 for (i=0; i<10; i++)
453 {
454 BN_rand(n,(100%BN_BITS2+1)*BN_BITS2*i*BN_BITS2,0,1); /**/
455 BN_MONT_CTX_set(mont,n,ctx);
456
457 BN_to_montgomery(A,a,mont,ctx);
458 BN_to_montgomery(B,b,mont,ctx);
459
460 if (bp == NULL)
461 for (j=0; j<100; j++)
462 BN_mod_mul_montgomery(c,A,B,mont,ctx);/**/
463 BN_mod_mul_montgomery(c,A,B,mont,ctx);/**/
464 BN_from_montgomery(A,c,mont,ctx);/**/
465 if (bp != NULL)
466 {
467 if (!results)
468 {
469#ifdef undef
470fprintf(stderr,"%d * %d %% %d\n",
471BN_num_bits(a),
472BN_num_bits(b),
473BN_num_bits(mont->N));
474#endif
475 BN_print(bp,a);
476 BIO_puts(bp," * ");
477 BN_print(bp,b);
478 BIO_puts(bp," % ");
479 BN_print(bp,mont->N);
480 BIO_puts(bp," - ");
481 }
482 BN_print(bp,A);
483 BIO_puts(bp,"\n");
484 }
485 }
486 BN_MONT_CTX_free(mont);
487 BN_free(a);
488 BN_free(b);
489 BN_free(c);
490 return(1);
491 }
492
493int test_mod(bp,ctx)
494BIO *bp;
495BN_CTX *ctx;
496 {
497 BIGNUM *a,*b,*c;
498 int i;
499 int j;
500
501 a=BN_new();
502 b=BN_new();
503 c=BN_new();
504
505 BN_rand(a,1024,0,0); /**/
506 for (i=0; i<20; i++)
507 {
508 BN_rand(b,450+i*10,0,0); /**/
509 a->neg=rand_neg();
510 b->neg=rand_neg();
511 if (bp == NULL)
512 for (j=0; j<100; j++)
513 BN_mod(c,a,b,ctx);/**/
514 BN_mod(c,a,b,ctx);/**/
515 if (bp != NULL)
516 {
517 if (!results)
518 {
519 BN_print(bp,a);
520 BIO_puts(bp," % ");
521 BN_print(bp,b);
522 BIO_puts(bp," - ");
523 }
524 BN_print(bp,c);
525 BIO_puts(bp,"\n");
526 }
527 }
528 BN_free(a);
529 BN_free(b);
530 BN_free(c);
531 return(1);
532 }
533
534int test_mod_mul(bp,ctx)
535BIO *bp;
536BN_CTX *ctx;
537 {
538 BIGNUM *a,*b,*c,*d,*e;
539 int i;
540
541 a=BN_new();
542 b=BN_new();
543 c=BN_new();
544 d=BN_new();
545 e=BN_new();
546
547 BN_rand(c,1024,0,0); /**/
548 for (i=0; i<10; i++)
549 {
550 BN_rand(a,475+i*10,0,0); /**/
551 BN_rand(b,425+i*10,0,0); /**/
552 a->neg=rand_neg();
553 b->neg=rand_neg();
554 /* if (bp == NULL)
555 for (j=0; j<100; j++)
556 BN_mod_mul(d,a,b,c,ctx);*/ /**/
557
558 if (!BN_mod_mul(e,a,b,c,ctx))
559 {
560 unsigned long l;
561
562 while ((l=ERR_get_error()))
563 fprintf(stderr,"ERROR:%s\n",
564 ERR_error_string(l,NULL));
565 exit(1);
566 }
567 if (bp != NULL)
568 {
569 if (!results)
570 {
571 BN_print(bp,a);
572 BIO_puts(bp," * ");
573 BN_print(bp,b);
574 BIO_puts(bp," % ");
575 BN_print(bp,c);
576 BIO_puts(bp," - ");
577 }
578 BN_print(bp,e);
579 BIO_puts(bp,"\n");
580 }
581 }
582 BN_free(a);
583 BN_free(b);
584 BN_free(c);
585 BN_free(d);
586 BN_free(e);
587 return(1);
588 }
589
590int test_mod_exp(bp,ctx)
591BIO *bp;
592BN_CTX *ctx;
593 {
594 BIGNUM *a,*b,*c,*d,*e;
595 int i;
596
597 a=BN_new();
598 b=BN_new();
599 c=BN_new();
600 d=BN_new();
601 e=BN_new();
602
603 BN_rand(c,30,0,1); /* must be odd for montgomery */
604 for (i=0; i<6; i++)
605 {
606 BN_rand(a,20+i*5,0,0); /**/
607 BN_rand(b,2+i,0,0); /**/
608
609 if (!BN_mod_exp(d,a,b,c,ctx))
610 return(00);
611
612 if (bp != NULL)
613 {
614 if (!results)
615 {
616 BN_print(bp,a);
617 BIO_puts(bp," ^ ");
618 BN_print(bp,b);
619 BIO_puts(bp," % ");
620 BN_print(bp,c);
621 BIO_puts(bp," - ");
622 }
623 BN_print(bp,d);
624 BIO_puts(bp,"\n");
625 }
626 }
627 BN_free(a);
628 BN_free(b);
629 BN_free(c);
630 BN_free(d);
631 BN_free(e);
632 return(1);
633 }
634
635int test_lshift(bp)
636BIO *bp;
637 {
638 BIGNUM *a,*b,*c;
639 int i;
640
641 a=BN_new();
642 b=BN_new();
643 c=BN_new();
644 BN_one(c);
645
646 BN_rand(a,200,0,0); /**/
647 a->neg=rand_neg();
648 for (i=0; i<70; i++)
649 {
650 BN_lshift(b,a,i+1);
651 BN_add(c,c,c);
652 if (bp != NULL)
653 {
654 if (!results)
655 {
656 BN_print(bp,a);
657 BIO_puts(bp," * ");
658 BN_print(bp,c);
659 BIO_puts(bp," - ");
660 }
661 BN_print(bp,b);
662 BIO_puts(bp,"\n");
663 }
664 }
665 BN_free(a);
666 BN_free(b);
667 BN_free(c);
668 return(1);
669 }
670
671int test_lshift1(bp)
672BIO *bp;
673 {
674 BIGNUM *a,*b;
675 int i;
676
677 a=BN_new();
678 b=BN_new();
679
680 BN_rand(a,200,0,0); /**/
681 a->neg=rand_neg();
682 for (i=0; i<70; i++)
683 {
684 BN_lshift1(b,a);
685 if (bp != NULL)
686 {
687 if (!results)
688 {
689 BN_print(bp,a);
690 BIO_puts(bp," * 2");
691 BIO_puts(bp," - ");
692 }
693 BN_print(bp,b);
694 BIO_puts(bp,"\n");
695 }
696 BN_copy(a,b);
697 }
698 BN_free(a);
699 BN_free(b);
700 return(1);
701 }
702
703int test_rshift(bp)
704BIO *bp;
705 {
706 BIGNUM *a,*b,*c;
707 int i;
708
709 a=BN_new();
710 b=BN_new();
711 c=BN_new();
712 BN_one(c);
713
714 BN_rand(a,200,0,0); /**/
715 a->neg=rand_neg();
716 for (i=0; i<70; i++)
717 {
718 BN_rshift(b,a,i+1);
719 BN_add(c,c,c);
720 if (bp != NULL)
721 {
722 if (!results)
723 {
724 BN_print(bp,a);
725 BIO_puts(bp," / ");
726 BN_print(bp,c);
727 BIO_puts(bp," - ");
728 }
729 BN_print(bp,b);
730 BIO_puts(bp,"\n");
731 }
732 }
733 BN_free(a);
734 BN_free(b);
735 BN_free(c);
736 return(1);
737 }
738
739int test_rshift1(bp)
740BIO *bp;
741 {
742 BIGNUM *a,*b;
743 int i;
744
745 a=BN_new();
746 b=BN_new();
747
748 BN_rand(a,200,0,0); /**/
749 a->neg=rand_neg();
750 for (i=0; i<70; i++)
751 {
752 BN_rshift1(b,a);
753 if (bp != NULL)
754 {
755 if (!results)
756 {
757 BN_print(bp,a);
758 BIO_puts(bp," / 2");
759 BIO_puts(bp," - ");
760 }
761 BN_print(bp,b);
762 BIO_puts(bp,"\n");
763 }
764 BN_copy(a,b);
765 }
766 BN_free(a);
767 BN_free(b);
768 return(1);
769 }
770
771int rand_neg()
772 {
773 static unsigned int neg=0;
774 static int sign[8]={0,0,0,1,1,0,1,1};
775
776 return(sign[(neg++)%8]);
777 }
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