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35b73a1f BM |
1 | /* |
2 | * Originally written by Bodo Moeller for the OpenSSL project. | |
3 | */ | |
62763f68 BM |
4 | /* ==================================================================== |
5 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 12 | * notice, this list of conditions and the following disclaimer. |
62763f68 BM |
13 | * |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * | |
19 | * 3. All advertising materials mentioning features or use of this | |
20 | * software must display the following acknowledgment: | |
21 | * "This product includes software developed by the OpenSSL Project | |
22 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
23 | * | |
24 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
25 | * endorse or promote products derived from this software without | |
26 | * prior written permission. For written permission, please contact | |
27 | * openssl-core@openssl.org. | |
28 | * | |
29 | * 5. Products derived from this software may not be called "OpenSSL" | |
30 | * nor may "OpenSSL" appear in their names without prior written | |
31 | * permission of the OpenSSL Project. | |
32 | * | |
33 | * 6. Redistributions of any form whatsoever must retain the following | |
34 | * acknowledgment: | |
35 | * "This product includes software developed by the OpenSSL Project | |
36 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
37 | * | |
38 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
39 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
40 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
41 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
44 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
45 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
48 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
49 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
50 | * ==================================================================== | |
51 | * | |
52 | * This product includes cryptographic software written by Eric Young | |
53 | * (eay@cryptsoft.com). This product includes software written by Tim | |
54 | * Hudson (tjh@cryptsoft.com). | |
55 | * | |
56 | */ | |
7793f30e BM |
57 | /* ==================================================================== |
58 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
59 | * | |
0f113f3e | 60 | * Portions of the attached software ("Contribution") are developed by |
7793f30e BM |
61 | * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
62 | * | |
63 | * The Contribution is licensed pursuant to the OpenSSL open source | |
64 | * license provided above. | |
65 | * | |
0f113f3e | 66 | * The elliptic curve binary polynomial software is originally written by |
7793f30e BM |
67 | * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. |
68 | * | |
69 | */ | |
62763f68 | 70 | |
adfe54b7 BM |
71 | #include <stdio.h> |
72 | #include <stdlib.h> | |
0bf23d9b | 73 | #ifdef FLAT_INC |
0f113f3e | 74 | # include "e_os.h" |
0bf23d9b | 75 | #else |
0f113f3e | 76 | # include "../e_os.h" |
0bf23d9b | 77 | #endif |
413a4a04 | 78 | #include <string.h> |
48fe4d62 | 79 | #include <time.h> |
adfe54b7 | 80 | |
bb62a8b0 | 81 | #ifdef OPENSSL_NO_EC |
0f113f3e MC |
82 | int main(int argc, char *argv[]) |
83 | { | |
84 | puts("Elliptic curves are disabled."); | |
85 | return 0; | |
86 | } | |
bb62a8b0 BM |
87 | #else |
88 | ||
0f113f3e MC |
89 | # include <openssl/ec.h> |
90 | # ifndef OPENSSL_NO_ENGINE | |
91 | # include <openssl/engine.h> | |
92 | # endif | |
93 | # include <openssl/err.h> | |
94 | # include <openssl/obj_mac.h> | |
95 | # include <openssl/objects.h> | |
96 | # include <openssl/rand.h> | |
97 | # include <openssl/bn.h> | |
98 | # include <openssl/opensslconf.h> | |
99 | ||
100 | # if defined(_MSC_VER) && defined(_MIPS_) && (_MSC_VER/100==12) | |
0491e058 | 101 | /* suppress "too big too optimize" warning */ |
0f113f3e MC |
102 | # pragma warning(disable:4959) |
103 | # endif | |
104 | ||
105 | # define ABORT do { \ | |
106 | fflush(stdout); \ | |
107 | fprintf(stderr, "%s:%d: ABORT\n", __FILE__, __LINE__); \ | |
108 | ERR_print_errors_fp(stderr); \ | |
109 | EXIT(1); \ | |
adfe54b7 BM |
110 | } while (0) |
111 | ||
0f113f3e MC |
112 | # define TIMING_BASE_PT 0 |
113 | # define TIMING_RAND_PT 1 | |
114 | # define TIMING_SIMUL 2 | |
652ae06b | 115 | |
04daec86 BM |
116 | /* test multiplication with group order, long and negative scalars */ |
117 | static void group_order_tests(EC_GROUP *group) | |
0f113f3e MC |
118 | { |
119 | BIGNUM *n1, *n2, *order; | |
120 | EC_POINT *P = EC_POINT_new(group); | |
121 | EC_POINT *Q = EC_POINT_new(group); | |
50e34aab AP |
122 | EC_POINT *R = EC_POINT_new(group); |
123 | EC_POINT *S = EC_POINT_new(group); | |
0f113f3e MC |
124 | BN_CTX *ctx = BN_CTX_new(); |
125 | int i; | |
126 | ||
127 | n1 = BN_new(); | |
128 | n2 = BN_new(); | |
129 | order = BN_new(); | |
130 | fprintf(stdout, "verify group order ..."); | |
131 | fflush(stdout); | |
132 | if (!EC_GROUP_get_order(group, order, ctx)) | |
133 | ABORT; | |
134 | if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) | |
135 | ABORT; | |
136 | if (!EC_POINT_is_at_infinity(group, Q)) | |
137 | ABORT; | |
138 | fprintf(stdout, "."); | |
139 | fflush(stdout); | |
140 | if (!EC_GROUP_precompute_mult(group, ctx)) | |
141 | ABORT; | |
142 | if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) | |
143 | ABORT; | |
144 | if (!EC_POINT_is_at_infinity(group, Q)) | |
145 | ABORT; | |
146 | fprintf(stdout, " ok\n"); | |
147 | fprintf(stdout, "long/negative scalar tests "); | |
148 | for (i = 1; i <= 2; i++) { | |
149 | const BIGNUM *scalars[6]; | |
150 | const EC_POINT *points[6]; | |
151 | ||
152 | fprintf(stdout, i == 1 ? | |
153 | "allowing precomputation ... " : | |
154 | "without precomputation ... "); | |
155 | if (!BN_set_word(n1, i)) | |
156 | ABORT; | |
157 | /* | |
158 | * If i == 1, P will be the predefined generator for which | |
159 | * EC_GROUP_precompute_mult has set up precomputation. | |
160 | */ | |
161 | if (!EC_POINT_mul(group, P, n1, NULL, NULL, ctx)) | |
162 | ABORT; | |
163 | ||
164 | if (!BN_one(n1)) | |
165 | ABORT; | |
166 | /* n1 = 1 - order */ | |
167 | if (!BN_sub(n1, n1, order)) | |
168 | ABORT; | |
169 | if (!EC_POINT_mul(group, Q, NULL, P, n1, ctx)) | |
170 | ABORT; | |
171 | if (0 != EC_POINT_cmp(group, Q, P, ctx)) | |
172 | ABORT; | |
173 | ||
174 | /* n2 = 1 + order */ | |
175 | if (!BN_add(n2, order, BN_value_one())) | |
176 | ABORT; | |
177 | if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) | |
178 | ABORT; | |
179 | if (0 != EC_POINT_cmp(group, Q, P, ctx)) | |
180 | ABORT; | |
181 | ||
182 | /* n2 = (1 - order) * (1 + order) = 1 - order^2 */ | |
183 | if (!BN_mul(n2, n1, n2, ctx)) | |
184 | ABORT; | |
185 | if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) | |
186 | ABORT; | |
187 | if (0 != EC_POINT_cmp(group, Q, P, ctx)) | |
188 | ABORT; | |
189 | ||
190 | /* n2 = order^2 - 1 */ | |
191 | BN_set_negative(n2, 0); | |
192 | if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) | |
193 | ABORT; | |
194 | /* Add P to verify the result. */ | |
195 | if (!EC_POINT_add(group, Q, Q, P, ctx)) | |
196 | ABORT; | |
197 | if (!EC_POINT_is_at_infinity(group, Q)) | |
198 | ABORT; | |
199 | ||
200 | /* Exercise EC_POINTs_mul, including corner cases. */ | |
201 | if (EC_POINT_is_at_infinity(group, P)) | |
202 | ABORT; | |
50e34aab AP |
203 | |
204 | scalars[0] = scalars[1] = BN_value_one(); | |
205 | points[0] = points[1] = P; | |
206 | ||
207 | if (!EC_POINTs_mul(group, R, NULL, 2, points, scalars, ctx)) | |
208 | ABORT; | |
209 | if (!EC_POINT_dbl(group, S, points[0], ctx)) | |
210 | ABORT; | |
211 | if (0 != EC_POINT_cmp(group, R, S, ctx)) | |
212 | ABORT; | |
213 | ||
0f113f3e MC |
214 | scalars[0] = n1; |
215 | points[0] = Q; /* => infinity */ | |
216 | scalars[1] = n2; | |
217 | points[1] = P; /* => -P */ | |
218 | scalars[2] = n1; | |
219 | points[2] = Q; /* => infinity */ | |
220 | scalars[3] = n2; | |
221 | points[3] = Q; /* => infinity */ | |
222 | scalars[4] = n1; | |
223 | points[4] = P; /* => P */ | |
224 | scalars[5] = n2; | |
225 | points[5] = Q; /* => infinity */ | |
226 | if (!EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx)) | |
227 | ABORT; | |
228 | if (!EC_POINT_is_at_infinity(group, P)) | |
229 | ABORT; | |
230 | } | |
231 | fprintf(stdout, "ok\n"); | |
232 | ||
233 | EC_POINT_free(P); | |
234 | EC_POINT_free(Q); | |
50e34aab AP |
235 | EC_POINT_free(R); |
236 | EC_POINT_free(S); | |
0f113f3e MC |
237 | BN_free(n1); |
238 | BN_free(n2); | |
239 | BN_free(order); | |
240 | BN_CTX_free(ctx); | |
241 | } | |
04daec86 | 242 | |
c13d7c02 | 243 | static void prime_field_tests(void) |
0f113f3e MC |
244 | { |
245 | BN_CTX *ctx = NULL; | |
246 | BIGNUM *p, *a, *b; | |
247 | EC_GROUP *group; | |
248 | EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 = | |
249 | NULL, *P_384 = NULL, *P_521 = NULL; | |
250 | EC_POINT *P, *Q, *R; | |
251 | BIGNUM *x, *y, *z; | |
252 | unsigned char buf[100]; | |
253 | size_t i, len; | |
254 | int k; | |
255 | ||
0f113f3e MC |
256 | ctx = BN_CTX_new(); |
257 | if (!ctx) | |
258 | ABORT; | |
0f113f3e MC |
259 | |
260 | p = BN_new(); | |
261 | a = BN_new(); | |
262 | b = BN_new(); | |
263 | if (!p || !a || !b) | |
264 | ABORT; | |
265 | ||
266 | if (!BN_hex2bn(&p, "17")) | |
267 | ABORT; | |
268 | if (!BN_hex2bn(&a, "1")) | |
269 | ABORT; | |
270 | if (!BN_hex2bn(&b, "1")) | |
271 | ABORT; | |
272 | ||
273 | group = EC_GROUP_new(EC_GFp_mont_method()); /* applications should use | |
274 | * EC_GROUP_new_curve_GFp so | |
275 | * that the library gets to | |
276 | * choose the EC_METHOD */ | |
277 | if (!group) | |
278 | ABORT; | |
279 | ||
280 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
281 | ABORT; | |
282 | ||
283 | { | |
284 | EC_GROUP *tmp; | |
285 | tmp = EC_GROUP_new(EC_GROUP_method_of(group)); | |
286 | if (!tmp) | |
287 | ABORT; | |
288 | if (!EC_GROUP_copy(tmp, group)) | |
289 | ABORT; | |
290 | EC_GROUP_free(group); | |
291 | group = tmp; | |
292 | } | |
293 | ||
294 | if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx)) | |
295 | ABORT; | |
296 | ||
297 | fprintf(stdout, | |
298 | "Curve defined by Weierstrass equation\n y^2 = x^3 + a*x + b (mod 0x"); | |
299 | BN_print_fp(stdout, p); | |
300 | fprintf(stdout, ")\n a = 0x"); | |
301 | BN_print_fp(stdout, a); | |
302 | fprintf(stdout, "\n b = 0x"); | |
303 | BN_print_fp(stdout, b); | |
304 | fprintf(stdout, "\n"); | |
305 | ||
306 | P = EC_POINT_new(group); | |
307 | Q = EC_POINT_new(group); | |
308 | R = EC_POINT_new(group); | |
309 | if (!P || !Q || !R) | |
310 | ABORT; | |
311 | ||
312 | if (!EC_POINT_set_to_infinity(group, P)) | |
313 | ABORT; | |
314 | if (!EC_POINT_is_at_infinity(group, P)) | |
315 | ABORT; | |
316 | ||
317 | buf[0] = 0; | |
318 | if (!EC_POINT_oct2point(group, Q, buf, 1, ctx)) | |
319 | ABORT; | |
320 | ||
321 | if (!EC_POINT_add(group, P, P, Q, ctx)) | |
322 | ABORT; | |
323 | if (!EC_POINT_is_at_infinity(group, P)) | |
324 | ABORT; | |
325 | ||
326 | x = BN_new(); | |
327 | y = BN_new(); | |
328 | z = BN_new(); | |
329 | if (!x || !y || !z) | |
330 | ABORT; | |
331 | ||
332 | if (!BN_hex2bn(&x, "D")) | |
333 | ABORT; | |
334 | if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx)) | |
335 | ABORT; | |
68886be7 | 336 | if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) { |
0f113f3e MC |
337 | if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx)) |
338 | ABORT; | |
339 | fprintf(stderr, "Point is not on curve: x = 0x"); | |
340 | BN_print_fp(stderr, x); | |
341 | fprintf(stderr, ", y = 0x"); | |
342 | BN_print_fp(stderr, y); | |
343 | fprintf(stderr, "\n"); | |
344 | ABORT; | |
345 | } | |
346 | ||
347 | fprintf(stdout, "A cyclic subgroup:\n"); | |
348 | k = 100; | |
349 | do { | |
350 | if (k-- == 0) | |
351 | ABORT; | |
352 | ||
353 | if (EC_POINT_is_at_infinity(group, P)) | |
354 | fprintf(stdout, " point at infinity\n"); | |
355 | else { | |
356 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
357 | ABORT; | |
358 | ||
359 | fprintf(stdout, " x = 0x"); | |
360 | BN_print_fp(stdout, x); | |
361 | fprintf(stdout, ", y = 0x"); | |
362 | BN_print_fp(stdout, y); | |
363 | fprintf(stdout, "\n"); | |
364 | } | |
365 | ||
366 | if (!EC_POINT_copy(R, P)) | |
367 | ABORT; | |
368 | if (!EC_POINT_add(group, P, P, Q, ctx)) | |
369 | ABORT; | |
370 | ||
0f113f3e MC |
371 | } |
372 | while (!EC_POINT_is_at_infinity(group, P)); | |
373 | ||
374 | if (!EC_POINT_add(group, P, Q, R, ctx)) | |
375 | ABORT; | |
376 | if (!EC_POINT_is_at_infinity(group, P)) | |
377 | ABORT; | |
378 | ||
379 | len = | |
380 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf, | |
381 | sizeof buf, ctx); | |
382 | if (len == 0) | |
383 | ABORT; | |
384 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
385 | ABORT; | |
386 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
387 | ABORT; | |
388 | fprintf(stdout, "Generator as octet string, compressed form:\n "); | |
389 | for (i = 0; i < len; i++) | |
390 | fprintf(stdout, "%02X", buf[i]); | |
391 | ||
392 | len = | |
393 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf, | |
394 | sizeof buf, ctx); | |
395 | if (len == 0) | |
396 | ABORT; | |
397 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
398 | ABORT; | |
399 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
400 | ABORT; | |
401 | fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n "); | |
402 | for (i = 0; i < len; i++) | |
403 | fprintf(stdout, "%02X", buf[i]); | |
404 | ||
405 | len = | |
406 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf, | |
407 | ctx); | |
408 | if (len == 0) | |
409 | ABORT; | |
410 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
411 | ABORT; | |
412 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
413 | ABORT; | |
414 | fprintf(stdout, "\nGenerator as octet string, hybrid form:\n "); | |
415 | for (i = 0; i < len; i++) | |
416 | fprintf(stdout, "%02X", buf[i]); | |
417 | ||
418 | if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx)) | |
419 | ABORT; | |
420 | fprintf(stdout, | |
421 | "\nA representation of the inverse of that generator in\nJacobian projective coordinates:\n X = 0x"); | |
422 | BN_print_fp(stdout, x); | |
423 | fprintf(stdout, ", Y = 0x"); | |
424 | BN_print_fp(stdout, y); | |
425 | fprintf(stdout, ", Z = 0x"); | |
426 | BN_print_fp(stdout, z); | |
427 | fprintf(stdout, "\n"); | |
428 | ||
429 | if (!EC_POINT_invert(group, P, ctx)) | |
430 | ABORT; | |
431 | if (0 != EC_POINT_cmp(group, P, R, ctx)) | |
432 | ABORT; | |
433 | ||
434 | /* | |
435 | * Curve secp160r1 (Certicom Research SEC 2 Version 1.0, section 2.4.2, | |
436 | * 2000) -- not a NIST curve, but commonly used | |
437 | */ | |
438 | ||
439 | if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF")) | |
440 | ABORT; | |
441 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
442 | ABORT; | |
443 | if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC")) | |
444 | ABORT; | |
445 | if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45")) | |
446 | ABORT; | |
447 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
448 | ABORT; | |
449 | ||
450 | if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82")) | |
451 | ABORT; | |
452 | if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32")) | |
453 | ABORT; | |
454 | if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx)) | |
455 | ABORT; | |
68886be7 | 456 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
457 | ABORT; |
458 | if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257")) | |
459 | ABORT; | |
460 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
461 | ABORT; | |
462 | ||
463 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
464 | ABORT; | |
465 | fprintf(stdout, "\nSEC2 curve secp160r1 -- Generator:\n x = 0x"); | |
466 | BN_print_fp(stdout, x); | |
467 | fprintf(stdout, "\n y = 0x"); | |
468 | BN_print_fp(stdout, y); | |
469 | fprintf(stdout, "\n"); | |
470 | /* G_y value taken from the standard: */ | |
471 | if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32")) | |
472 | ABORT; | |
473 | if (0 != BN_cmp(y, z)) | |
474 | ABORT; | |
475 | ||
476 | fprintf(stdout, "verify degree ..."); | |
477 | if (EC_GROUP_get_degree(group) != 160) | |
478 | ABORT; | |
479 | fprintf(stdout, " ok\n"); | |
480 | ||
481 | group_order_tests(group); | |
482 | ||
75ebbd9a | 483 | if ((P_160 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
484 | ABORT; |
485 | if (!EC_GROUP_copy(P_160, group)) | |
486 | ABORT; | |
487 | ||
488 | /* Curve P-192 (FIPS PUB 186-2, App. 6) */ | |
489 | ||
490 | if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF")) | |
491 | ABORT; | |
492 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
493 | ABORT; | |
494 | if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC")) | |
495 | ABORT; | |
496 | if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1")) | |
497 | ABORT; | |
498 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
499 | ABORT; | |
500 | ||
501 | if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012")) | |
502 | ABORT; | |
503 | if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) | |
504 | ABORT; | |
68886be7 | 505 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
506 | ABORT; |
507 | if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831")) | |
508 | ABORT; | |
509 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
510 | ABORT; | |
511 | ||
512 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
513 | ABORT; | |
514 | fprintf(stdout, "\nNIST curve P-192 -- Generator:\n x = 0x"); | |
515 | BN_print_fp(stdout, x); | |
516 | fprintf(stdout, "\n y = 0x"); | |
517 | BN_print_fp(stdout, y); | |
518 | fprintf(stdout, "\n"); | |
519 | /* G_y value taken from the standard: */ | |
520 | if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811")) | |
521 | ABORT; | |
522 | if (0 != BN_cmp(y, z)) | |
523 | ABORT; | |
524 | ||
525 | fprintf(stdout, "verify degree ..."); | |
526 | if (EC_GROUP_get_degree(group) != 192) | |
527 | ABORT; | |
528 | fprintf(stdout, " ok\n"); | |
529 | ||
530 | group_order_tests(group); | |
531 | ||
75ebbd9a | 532 | if ((P_192 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
533 | ABORT; |
534 | if (!EC_GROUP_copy(P_192, group)) | |
535 | ABORT; | |
536 | ||
537 | /* Curve P-224 (FIPS PUB 186-2, App. 6) */ | |
538 | ||
539 | if (!BN_hex2bn | |
540 | (&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001")) | |
541 | ABORT; | |
542 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
543 | ABORT; | |
544 | if (!BN_hex2bn | |
545 | (&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE")) | |
546 | ABORT; | |
547 | if (!BN_hex2bn | |
548 | (&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4")) | |
549 | ABORT; | |
550 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
551 | ABORT; | |
552 | ||
553 | if (!BN_hex2bn | |
554 | (&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21")) | |
555 | ABORT; | |
556 | if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx)) | |
557 | ABORT; | |
68886be7 | 558 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
559 | ABORT; |
560 | if (!BN_hex2bn | |
561 | (&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D")) | |
562 | ABORT; | |
563 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
564 | ABORT; | |
565 | ||
566 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
567 | ABORT; | |
568 | fprintf(stdout, "\nNIST curve P-224 -- Generator:\n x = 0x"); | |
569 | BN_print_fp(stdout, x); | |
570 | fprintf(stdout, "\n y = 0x"); | |
571 | BN_print_fp(stdout, y); | |
572 | fprintf(stdout, "\n"); | |
573 | /* G_y value taken from the standard: */ | |
574 | if (!BN_hex2bn | |
575 | (&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34")) | |
576 | ABORT; | |
577 | if (0 != BN_cmp(y, z)) | |
578 | ABORT; | |
579 | ||
580 | fprintf(stdout, "verify degree ..."); | |
581 | if (EC_GROUP_get_degree(group) != 224) | |
582 | ABORT; | |
583 | fprintf(stdout, " ok\n"); | |
584 | ||
585 | group_order_tests(group); | |
586 | ||
75ebbd9a | 587 | if ((P_224 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
588 | ABORT; |
589 | if (!EC_GROUP_copy(P_224, group)) | |
590 | ABORT; | |
591 | ||
592 | /* Curve P-256 (FIPS PUB 186-2, App. 6) */ | |
593 | ||
594 | if (!BN_hex2bn | |
595 | (&p, | |
596 | "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF")) | |
597 | ABORT; | |
598 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
599 | ABORT; | |
600 | if (!BN_hex2bn | |
601 | (&a, | |
602 | "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC")) | |
603 | ABORT; | |
604 | if (!BN_hex2bn | |
605 | (&b, | |
606 | "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B")) | |
607 | ABORT; | |
608 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
609 | ABORT; | |
610 | ||
611 | if (!BN_hex2bn | |
612 | (&x, | |
613 | "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296")) | |
614 | ABORT; | |
615 | if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) | |
616 | ABORT; | |
68886be7 | 617 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
618 | ABORT; |
619 | if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E" | |
620 | "84F3B9CAC2FC632551")) | |
621 | ABORT; | |
622 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
623 | ABORT; | |
624 | ||
625 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
626 | ABORT; | |
627 | fprintf(stdout, "\nNIST curve P-256 -- Generator:\n x = 0x"); | |
628 | BN_print_fp(stdout, x); | |
629 | fprintf(stdout, "\n y = 0x"); | |
630 | BN_print_fp(stdout, y); | |
631 | fprintf(stdout, "\n"); | |
632 | /* G_y value taken from the standard: */ | |
633 | if (!BN_hex2bn | |
634 | (&z, | |
635 | "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5")) | |
636 | ABORT; | |
637 | if (0 != BN_cmp(y, z)) | |
638 | ABORT; | |
639 | ||
640 | fprintf(stdout, "verify degree ..."); | |
641 | if (EC_GROUP_get_degree(group) != 256) | |
642 | ABORT; | |
643 | fprintf(stdout, " ok\n"); | |
644 | ||
645 | group_order_tests(group); | |
646 | ||
75ebbd9a | 647 | if ((P_256 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
648 | ABORT; |
649 | if (!EC_GROUP_copy(P_256, group)) | |
650 | ABORT; | |
651 | ||
652 | /* Curve P-384 (FIPS PUB 186-2, App. 6) */ | |
653 | ||
654 | if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
655 | "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF")) | |
656 | ABORT; | |
657 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
658 | ABORT; | |
659 | if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
660 | "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC")) | |
661 | ABORT; | |
662 | if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141" | |
663 | "120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF")) | |
664 | ABORT; | |
665 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
666 | ABORT; | |
667 | ||
668 | if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B" | |
669 | "9859F741E082542A385502F25DBF55296C3A545E3872760AB7")) | |
670 | ABORT; | |
671 | if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) | |
672 | ABORT; | |
68886be7 | 673 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
674 | ABORT; |
675 | if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
676 | "FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973")) | |
677 | ABORT; | |
678 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
679 | ABORT; | |
680 | ||
681 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
682 | ABORT; | |
683 | fprintf(stdout, "\nNIST curve P-384 -- Generator:\n x = 0x"); | |
684 | BN_print_fp(stdout, x); | |
685 | fprintf(stdout, "\n y = 0x"); | |
686 | BN_print_fp(stdout, y); | |
687 | fprintf(stdout, "\n"); | |
688 | /* G_y value taken from the standard: */ | |
689 | if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14" | |
690 | "7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F")) | |
691 | ABORT; | |
692 | if (0 != BN_cmp(y, z)) | |
693 | ABORT; | |
694 | ||
695 | fprintf(stdout, "verify degree ..."); | |
696 | if (EC_GROUP_get_degree(group) != 384) | |
697 | ABORT; | |
698 | fprintf(stdout, " ok\n"); | |
699 | ||
700 | group_order_tests(group); | |
701 | ||
75ebbd9a | 702 | if ((P_384 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
703 | ABORT; |
704 | if (!EC_GROUP_copy(P_384, group)) | |
705 | ABORT; | |
706 | ||
707 | /* Curve P-521 (FIPS PUB 186-2, App. 6) */ | |
708 | ||
709 | if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
710 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
711 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFF")) | |
712 | ABORT; | |
713 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
714 | ABORT; | |
715 | if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
716 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
717 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFC")) | |
718 | ABORT; | |
719 | if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B" | |
720 | "315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573" | |
721 | "DF883D2C34F1EF451FD46B503F00")) | |
722 | ABORT; | |
723 | if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) | |
724 | ABORT; | |
725 | ||
726 | if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F" | |
727 | "B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B" | |
728 | "3C1856A429BF97E7E31C2E5BD66")) | |
729 | ABORT; | |
730 | if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx)) | |
731 | ABORT; | |
68886be7 | 732 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
733 | ABORT; |
734 | if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" | |
735 | "FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5" | |
736 | "C9B8899C47AEBB6FB71E91386409")) | |
737 | ABORT; | |
738 | if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) | |
739 | ABORT; | |
740 | ||
741 | if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) | |
742 | ABORT; | |
743 | fprintf(stdout, "\nNIST curve P-521 -- Generator:\n x = 0x"); | |
744 | BN_print_fp(stdout, x); | |
745 | fprintf(stdout, "\n y = 0x"); | |
746 | BN_print_fp(stdout, y); | |
747 | fprintf(stdout, "\n"); | |
748 | /* G_y value taken from the standard: */ | |
749 | if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579" | |
750 | "B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C" | |
751 | "7086A272C24088BE94769FD16650")) | |
752 | ABORT; | |
753 | if (0 != BN_cmp(y, z)) | |
754 | ABORT; | |
755 | ||
756 | fprintf(stdout, "verify degree ..."); | |
757 | if (EC_GROUP_get_degree(group) != 521) | |
758 | ABORT; | |
759 | fprintf(stdout, " ok\n"); | |
760 | ||
761 | group_order_tests(group); | |
762 | ||
75ebbd9a | 763 | if ((P_521 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) |
0f113f3e MC |
764 | ABORT; |
765 | if (!EC_GROUP_copy(P_521, group)) | |
766 | ABORT; | |
767 | ||
768 | /* more tests using the last curve */ | |
769 | ||
770 | if (!EC_POINT_copy(Q, P)) | |
771 | ABORT; | |
772 | if (EC_POINT_is_at_infinity(group, Q)) | |
773 | ABORT; | |
774 | if (!EC_POINT_dbl(group, P, P, ctx)) | |
775 | ABORT; | |
68886be7 | 776 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
777 | ABORT; |
778 | if (!EC_POINT_invert(group, Q, ctx)) | |
779 | ABORT; /* P = -2Q */ | |
780 | ||
781 | if (!EC_POINT_add(group, R, P, Q, ctx)) | |
782 | ABORT; | |
783 | if (!EC_POINT_add(group, R, R, Q, ctx)) | |
784 | ABORT; | |
785 | if (!EC_POINT_is_at_infinity(group, R)) | |
786 | ABORT; /* R = P + 2Q */ | |
787 | ||
788 | { | |
789 | const EC_POINT *points[4]; | |
790 | const BIGNUM *scalars[4]; | |
791 | BIGNUM *scalar3; | |
792 | ||
793 | if (EC_POINT_is_at_infinity(group, Q)) | |
794 | ABORT; | |
795 | points[0] = Q; | |
796 | points[1] = Q; | |
797 | points[2] = Q; | |
798 | points[3] = Q; | |
799 | ||
800 | if (!EC_GROUP_get_order(group, z, ctx)) | |
801 | ABORT; | |
802 | if (!BN_add(y, z, BN_value_one())) | |
803 | ABORT; | |
804 | if (BN_is_odd(y)) | |
805 | ABORT; | |
806 | if (!BN_rshift1(y, y)) | |
807 | ABORT; | |
808 | scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */ | |
809 | scalars[1] = y; | |
810 | ||
811 | fprintf(stdout, "combined multiplication ..."); | |
812 | fflush(stdout); | |
813 | ||
814 | /* z is still the group order */ | |
815 | if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) | |
816 | ABORT; | |
817 | if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) | |
818 | ABORT; | |
819 | if (0 != EC_POINT_cmp(group, P, R, ctx)) | |
820 | ABORT; | |
821 | if (0 != EC_POINT_cmp(group, R, Q, ctx)) | |
822 | ABORT; | |
823 | ||
824 | fprintf(stdout, "."); | |
825 | fflush(stdout); | |
826 | ||
827 | if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) | |
828 | ABORT; | |
829 | if (!BN_add(z, z, y)) | |
830 | ABORT; | |
831 | BN_set_negative(z, 1); | |
832 | scalars[0] = y; | |
833 | scalars[1] = z; /* z = -(order + y) */ | |
834 | ||
835 | if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) | |
836 | ABORT; | |
837 | if (!EC_POINT_is_at_infinity(group, P)) | |
838 | ABORT; | |
839 | ||
840 | fprintf(stdout, "."); | |
841 | fflush(stdout); | |
842 | ||
843 | if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0)) | |
844 | ABORT; | |
845 | if (!BN_add(z, x, y)) | |
846 | ABORT; | |
847 | BN_set_negative(z, 1); | |
848 | scalars[0] = x; | |
849 | scalars[1] = y; | |
850 | scalars[2] = z; /* z = -(x+y) */ | |
851 | ||
852 | scalar3 = BN_new(); | |
853 | if (!scalar3) | |
854 | ABORT; | |
855 | BN_zero(scalar3); | |
856 | scalars[3] = scalar3; | |
857 | ||
858 | if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx)) | |
859 | ABORT; | |
860 | if (!EC_POINT_is_at_infinity(group, P)) | |
861 | ABORT; | |
862 | ||
863 | fprintf(stdout, " ok\n\n"); | |
864 | ||
865 | BN_free(scalar3); | |
866 | } | |
867 | ||
23a1d5e9 | 868 | BN_CTX_free(ctx); |
0f113f3e MC |
869 | BN_free(p); |
870 | BN_free(a); | |
871 | BN_free(b); | |
872 | EC_GROUP_free(group); | |
873 | EC_POINT_free(P); | |
874 | EC_POINT_free(Q); | |
875 | EC_POINT_free(R); | |
876 | BN_free(x); | |
877 | BN_free(y); | |
878 | BN_free(z); | |
879 | ||
8fdc3734 RS |
880 | EC_GROUP_free(P_160); |
881 | EC_GROUP_free(P_192); | |
882 | EC_GROUP_free(P_224); | |
883 | EC_GROUP_free(P_256); | |
884 | EC_GROUP_free(P_384); | |
885 | EC_GROUP_free(P_521); | |
0f113f3e MC |
886 | |
887 | } | |
7793f30e BM |
888 | |
889 | /* Change test based on whether binary point compression is enabled or not. */ | |
0f113f3e MC |
890 | # ifdef OPENSSL_EC_BIN_PT_COMP |
891 | # define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \ | |
892 | if (!BN_hex2bn(&x, _x)) ABORT; \ | |
893 | if (!EC_POINT_set_compressed_coordinates_GF2m(group, P, x, _y_bit, ctx)) ABORT; \ | |
68886be7 | 894 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \ |
0f113f3e MC |
895 | if (!BN_hex2bn(&z, _order)) ABORT; \ |
896 | if (!BN_hex2bn(&cof, _cof)) ABORT; \ | |
897 | if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \ | |
898 | if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \ | |
899 | fprintf(stdout, "\n%s -- Generator:\n x = 0x", _name); \ | |
900 | BN_print_fp(stdout, x); \ | |
901 | fprintf(stdout, "\n y = 0x"); \ | |
902 | BN_print_fp(stdout, y); \ | |
903 | fprintf(stdout, "\n"); \ | |
904 | /* G_y value taken from the standard: */ \ | |
905 | if (!BN_hex2bn(&z, _y)) ABORT; \ | |
906 | if (0 != BN_cmp(y, z)) ABORT; | |
907 | # else | |
908 | # define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \ | |
909 | if (!BN_hex2bn(&x, _x)) ABORT; \ | |
910 | if (!BN_hex2bn(&y, _y)) ABORT; \ | |
911 | if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \ | |
68886be7 | 912 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \ |
0f113f3e MC |
913 | if (!BN_hex2bn(&z, _order)) ABORT; \ |
914 | if (!BN_hex2bn(&cof, _cof)) ABORT; \ | |
915 | if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \ | |
916 | fprintf(stdout, "\n%s -- Generator:\n x = 0x", _name); \ | |
917 | BN_print_fp(stdout, x); \ | |
918 | fprintf(stdout, "\n y = 0x"); \ | |
919 | BN_print_fp(stdout, y); \ | |
920 | fprintf(stdout, "\n"); | |
921 | # endif | |
922 | ||
923 | # define CHAR2_CURVE_TEST(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \ | |
924 | if (!BN_hex2bn(&p, _p)) ABORT; \ | |
925 | if (!BN_hex2bn(&a, _a)) ABORT; \ | |
926 | if (!BN_hex2bn(&b, _b)) ABORT; \ | |
927 | if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT; \ | |
928 | CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \ | |
929 | fprintf(stdout, "verify degree ..."); \ | |
930 | if (EC_GROUP_get_degree(group) != _degree) ABORT; \ | |
931 | fprintf(stdout, " ok\n"); \ | |
932 | group_order_tests(group); \ | |
75ebbd9a | 933 | if ((_variable = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) ABORT; \ |
0f113f3e MC |
934 | if (!EC_GROUP_copy(_variable, group)) ABORT; \ |
935 | ||
936 | # ifndef OPENSSL_NO_EC2M | |
7793f30e | 937 | |
c13d7c02 | 938 | static void char2_field_tests(void) |
0f113f3e MC |
939 | { |
940 | BN_CTX *ctx = NULL; | |
941 | BIGNUM *p, *a, *b; | |
942 | EC_GROUP *group; | |
943 | EC_GROUP *C2_K163 = NULL, *C2_K233 = NULL, *C2_K283 = NULL, *C2_K409 = | |
944 | NULL, *C2_K571 = NULL; | |
945 | EC_GROUP *C2_B163 = NULL, *C2_B233 = NULL, *C2_B283 = NULL, *C2_B409 = | |
946 | NULL, *C2_B571 = NULL; | |
947 | EC_POINT *P, *Q, *R; | |
948 | BIGNUM *x, *y, *z, *cof; | |
949 | unsigned char buf[100]; | |
950 | size_t i, len; | |
951 | int k; | |
952 | ||
0f113f3e MC |
953 | ctx = BN_CTX_new(); |
954 | if (!ctx) | |
955 | ABORT; | |
0f113f3e MC |
956 | |
957 | p = BN_new(); | |
958 | a = BN_new(); | |
959 | b = BN_new(); | |
960 | if (!p || !a || !b) | |
961 | ABORT; | |
962 | ||
963 | if (!BN_hex2bn(&p, "13")) | |
964 | ABORT; | |
965 | if (!BN_hex2bn(&a, "3")) | |
966 | ABORT; | |
967 | if (!BN_hex2bn(&b, "1")) | |
968 | ABORT; | |
969 | ||
970 | group = EC_GROUP_new(EC_GF2m_simple_method()); /* applications should use | |
971 | * EC_GROUP_new_curve_GF2m | |
972 | * so that the library gets | |
973 | * to choose the EC_METHOD */ | |
974 | if (!group) | |
975 | ABORT; | |
976 | if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) | |
977 | ABORT; | |
978 | ||
979 | { | |
980 | EC_GROUP *tmp; | |
981 | tmp = EC_GROUP_new(EC_GROUP_method_of(group)); | |
982 | if (!tmp) | |
983 | ABORT; | |
984 | if (!EC_GROUP_copy(tmp, group)) | |
985 | ABORT; | |
986 | EC_GROUP_free(group); | |
987 | group = tmp; | |
988 | } | |
989 | ||
990 | if (!EC_GROUP_get_curve_GF2m(group, p, a, b, ctx)) | |
991 | ABORT; | |
992 | ||
993 | fprintf(stdout, | |
994 | "Curve defined by Weierstrass equation\n y^2 + x*y = x^3 + a*x^2 + b (mod 0x"); | |
995 | BN_print_fp(stdout, p); | |
996 | fprintf(stdout, ")\n a = 0x"); | |
997 | BN_print_fp(stdout, a); | |
998 | fprintf(stdout, "\n b = 0x"); | |
999 | BN_print_fp(stdout, b); | |
1000 | fprintf(stdout, "\n(0x... means binary polynomial)\n"); | |
1001 | ||
1002 | P = EC_POINT_new(group); | |
1003 | Q = EC_POINT_new(group); | |
1004 | R = EC_POINT_new(group); | |
1005 | if (!P || !Q || !R) | |
1006 | ABORT; | |
1007 | ||
1008 | if (!EC_POINT_set_to_infinity(group, P)) | |
1009 | ABORT; | |
1010 | if (!EC_POINT_is_at_infinity(group, P)) | |
1011 | ABORT; | |
1012 | ||
1013 | buf[0] = 0; | |
1014 | if (!EC_POINT_oct2point(group, Q, buf, 1, ctx)) | |
1015 | ABORT; | |
1016 | ||
1017 | if (!EC_POINT_add(group, P, P, Q, ctx)) | |
1018 | ABORT; | |
1019 | if (!EC_POINT_is_at_infinity(group, P)) | |
1020 | ABORT; | |
1021 | ||
1022 | x = BN_new(); | |
1023 | y = BN_new(); | |
1024 | z = BN_new(); | |
1025 | cof = BN_new(); | |
1026 | if (!x || !y || !z || !cof) | |
1027 | ABORT; | |
1028 | ||
1029 | if (!BN_hex2bn(&x, "6")) | |
1030 | ABORT; | |
7793f30e | 1031 | /* Change test based on whether binary point compression is enabled or not. */ |
0f113f3e MC |
1032 | # ifdef OPENSSL_EC_BIN_PT_COMP |
1033 | if (!EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1, ctx)) | |
1034 | ABORT; | |
1035 | # else | |
1036 | if (!BN_hex2bn(&y, "8")) | |
1037 | ABORT; | |
1038 | if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx)) | |
1039 | ABORT; | |
1040 | # endif | |
68886be7 | 1041 | if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) { |
7793f30e | 1042 | /* Change test based on whether binary point compression is enabled or not. */ |
0f113f3e MC |
1043 | # ifdef OPENSSL_EC_BIN_PT_COMP |
1044 | if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx)) | |
1045 | ABORT; | |
1046 | # endif | |
1047 | fprintf(stderr, "Point is not on curve: x = 0x"); | |
1048 | BN_print_fp(stderr, x); | |
1049 | fprintf(stderr, ", y = 0x"); | |
1050 | BN_print_fp(stderr, y); | |
1051 | fprintf(stderr, "\n"); | |
1052 | ABORT; | |
1053 | } | |
1054 | ||
1055 | fprintf(stdout, "A cyclic subgroup:\n"); | |
1056 | k = 100; | |
1057 | do { | |
1058 | if (k-- == 0) | |
1059 | ABORT; | |
1060 | ||
1061 | if (EC_POINT_is_at_infinity(group, P)) | |
1062 | fprintf(stdout, " point at infinity\n"); | |
1063 | else { | |
1064 | if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) | |
1065 | ABORT; | |
1066 | ||
1067 | fprintf(stdout, " x = 0x"); | |
1068 | BN_print_fp(stdout, x); | |
1069 | fprintf(stdout, ", y = 0x"); | |
1070 | BN_print_fp(stdout, y); | |
1071 | fprintf(stdout, "\n"); | |
1072 | } | |
1073 | ||
1074 | if (!EC_POINT_copy(R, P)) | |
1075 | ABORT; | |
1076 | if (!EC_POINT_add(group, P, P, Q, ctx)) | |
1077 | ABORT; | |
1078 | } | |
1079 | while (!EC_POINT_is_at_infinity(group, P)); | |
1080 | ||
1081 | if (!EC_POINT_add(group, P, Q, R, ctx)) | |
1082 | ABORT; | |
1083 | if (!EC_POINT_is_at_infinity(group, P)) | |
1084 | ABORT; | |
7793f30e BM |
1085 | |
1086 | /* Change test based on whether binary point compression is enabled or not. */ | |
0f113f3e MC |
1087 | # ifdef OPENSSL_EC_BIN_PT_COMP |
1088 | len = | |
1089 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf, | |
1090 | sizeof buf, ctx); | |
1091 | if (len == 0) | |
1092 | ABORT; | |
1093 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
1094 | ABORT; | |
1095 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
1096 | ABORT; | |
1097 | fprintf(stdout, "Generator as octet string, compressed form:\n "); | |
1098 | for (i = 0; i < len; i++) | |
1099 | fprintf(stdout, "%02X", buf[i]); | |
1100 | # endif | |
1101 | ||
1102 | len = | |
1103 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf, | |
1104 | sizeof buf, ctx); | |
1105 | if (len == 0) | |
1106 | ABORT; | |
1107 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
1108 | ABORT; | |
1109 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
1110 | ABORT; | |
1111 | fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n "); | |
1112 | for (i = 0; i < len; i++) | |
1113 | fprintf(stdout, "%02X", buf[i]); | |
7793f30e | 1114 | |
0f113f3e MC |
1115 | /* Change test based on whether binary point compression is enabled or not. */ |
1116 | # ifdef OPENSSL_EC_BIN_PT_COMP | |
1117 | len = | |
1118 | EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf, | |
1119 | ctx); | |
1120 | if (len == 0) | |
1121 | ABORT; | |
1122 | if (!EC_POINT_oct2point(group, P, buf, len, ctx)) | |
1123 | ABORT; | |
1124 | if (0 != EC_POINT_cmp(group, P, Q, ctx)) | |
1125 | ABORT; | |
1126 | fprintf(stdout, "\nGenerator as octet string, hybrid form:\n "); | |
1127 | for (i = 0; i < len; i++) | |
1128 | fprintf(stdout, "%02X", buf[i]); | |
1129 | # endif | |
1130 | ||
1131 | fprintf(stdout, "\n"); | |
1132 | ||
1133 | if (!EC_POINT_invert(group, P, ctx)) | |
1134 | ABORT; | |
1135 | if (0 != EC_POINT_cmp(group, P, R, ctx)) | |
1136 | ABORT; | |
1137 | ||
1138 | /* Curve K-163 (FIPS PUB 186-2, App. 6) */ | |
1139 | CHAR2_CURVE_TEST | |
1140 | ("NIST curve K-163", | |
1141 | "0800000000000000000000000000000000000000C9", | |
1142 | "1", | |
1143 | "1", | |
1144 | "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8", | |
1145 | "0289070FB05D38FF58321F2E800536D538CCDAA3D9", | |
1146 | 1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163, C2_K163); | |
1147 | ||
1148 | /* Curve B-163 (FIPS PUB 186-2, App. 6) */ | |
1149 | CHAR2_CURVE_TEST | |
1150 | ("NIST curve B-163", | |
1151 | "0800000000000000000000000000000000000000C9", | |
1152 | "1", | |
1153 | "020A601907B8C953CA1481EB10512F78744A3205FD", | |
1154 | "03F0EBA16286A2D57EA0991168D4994637E8343E36", | |
1155 | "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1", | |
1156 | 1, "040000000000000000000292FE77E70C12A4234C33", "2", 163, C2_B163); | |
1157 | ||
1158 | /* Curve K-233 (FIPS PUB 186-2, App. 6) */ | |
1159 | CHAR2_CURVE_TEST | |
1160 | ("NIST curve K-233", | |
1161 | "020000000000000000000000000000000000000004000000000000000001", | |
1162 | "0", | |
1163 | "1", | |
1164 | "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126", | |
1165 | "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3", | |
1166 | 0, | |
1167 | "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF", | |
1168 | "4", 233, C2_K233); | |
1169 | ||
1170 | /* Curve B-233 (FIPS PUB 186-2, App. 6) */ | |
1171 | CHAR2_CURVE_TEST | |
1172 | ("NIST curve B-233", | |
1173 | "020000000000000000000000000000000000000004000000000000000001", | |
1174 | "000000000000000000000000000000000000000000000000000000000001", | |
1175 | "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD", | |
1176 | "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B", | |
1177 | "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052", | |
1178 | 1, | |
1179 | "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7", | |
1180 | "2", 233, C2_B233); | |
1181 | ||
1182 | /* Curve K-283 (FIPS PUB 186-2, App. 6) */ | |
1183 | CHAR2_CURVE_TEST | |
1184 | ("NIST curve K-283", | |
1185 | "0800000000000000000000000000000000000000000000000000000000000000000010A1", | |
1186 | "0", | |
1187 | "1", | |
1188 | "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836", | |
1189 | "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259", | |
1190 | 0, | |
1191 | "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61", | |
1192 | "4", 283, C2_K283); | |
1193 | ||
1194 | /* Curve B-283 (FIPS PUB 186-2, App. 6) */ | |
1195 | CHAR2_CURVE_TEST | |
1196 | ("NIST curve B-283", | |
1197 | "0800000000000000000000000000000000000000000000000000000000000000000010A1", | |
1198 | "000000000000000000000000000000000000000000000000000000000000000000000001", | |
1199 | "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5", | |
1200 | "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053", | |
1201 | "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4", | |
1202 | 1, | |
1203 | "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307", | |
1204 | "2", 283, C2_B283); | |
1205 | ||
1206 | /* Curve K-409 (FIPS PUB 186-2, App. 6) */ | |
1207 | CHAR2_CURVE_TEST | |
1208 | ("NIST curve K-409", | |
1209 | "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001", | |
1210 | "0", | |
1211 | "1", | |
1212 | "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746", | |
1213 | "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B", | |
1214 | 1, | |
1215 | "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF", | |
1216 | "4", 409, C2_K409); | |
1217 | ||
1218 | /* Curve B-409 (FIPS PUB 186-2, App. 6) */ | |
1219 | CHAR2_CURVE_TEST | |
1220 | ("NIST curve B-409", | |
1221 | "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001", | |
1222 | "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", | |
1223 | "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F", | |
1224 | "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7", | |
1225 | "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706", | |
1226 | 1, | |
1227 | "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173", | |
1228 | "2", 409, C2_B409); | |
1229 | ||
1230 | /* Curve K-571 (FIPS PUB 186-2, App. 6) */ | |
1231 | CHAR2_CURVE_TEST | |
1232 | ("NIST curve K-571", | |
1233 | "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425", | |
1234 | "0", | |
1235 | "1", | |
1236 | "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972", | |
1237 | "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3", | |
1238 | 0, | |
1239 | "020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001", | |
1240 | "4", 571, C2_K571); | |
1241 | ||
1242 | /* Curve B-571 (FIPS PUB 186-2, App. 6) */ | |
1243 | CHAR2_CURVE_TEST | |
1244 | ("NIST curve B-571", | |
1245 | "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425", | |
1246 | "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", | |
1247 | "02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A", | |
1248 | "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19", | |
1249 | "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B", | |
1250 | 1, | |
1251 | "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47", | |
1252 | "2", 571, C2_B571); | |
1253 | ||
1254 | /* more tests using the last curve */ | |
1255 | ||
1256 | if (!EC_POINT_copy(Q, P)) | |
1257 | ABORT; | |
1258 | if (EC_POINT_is_at_infinity(group, Q)) | |
1259 | ABORT; | |
1260 | if (!EC_POINT_dbl(group, P, P, ctx)) | |
1261 | ABORT; | |
68886be7 | 1262 | if (EC_POINT_is_on_curve(group, P, ctx) <= 0) |
0f113f3e MC |
1263 | ABORT; |
1264 | if (!EC_POINT_invert(group, Q, ctx)) | |
1265 | ABORT; /* P = -2Q */ | |
1266 | ||
1267 | if (!EC_POINT_add(group, R, P, Q, ctx)) | |
1268 | ABORT; | |
1269 | if (!EC_POINT_add(group, R, R, Q, ctx)) | |
1270 | ABORT; | |
1271 | if (!EC_POINT_is_at_infinity(group, R)) | |
1272 | ABORT; /* R = P + 2Q */ | |
1273 | ||
1274 | { | |
1275 | const EC_POINT *points[3]; | |
1276 | const BIGNUM *scalars[3]; | |
1277 | ||
1278 | if (EC_POINT_is_at_infinity(group, Q)) | |
1279 | ABORT; | |
1280 | points[0] = Q; | |
1281 | points[1] = Q; | |
1282 | points[2] = Q; | |
1283 | ||
1284 | if (!BN_add(y, z, BN_value_one())) | |
1285 | ABORT; | |
1286 | if (BN_is_odd(y)) | |
1287 | ABORT; | |
1288 | if (!BN_rshift1(y, y)) | |
1289 | ABORT; | |
1290 | scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */ | |
1291 | scalars[1] = y; | |
1292 | ||
1293 | fprintf(stdout, "combined multiplication ..."); | |
1294 | fflush(stdout); | |
1295 | ||
1296 | /* z is still the group order */ | |
1297 | if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) | |
1298 | ABORT; | |
1299 | if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) | |
1300 | ABORT; | |
1301 | if (0 != EC_POINT_cmp(group, P, R, ctx)) | |
1302 | ABORT; | |
1303 | if (0 != EC_POINT_cmp(group, R, Q, ctx)) | |
1304 | ABORT; | |
1305 | ||
1306 | fprintf(stdout, "."); | |
1307 | fflush(stdout); | |
1308 | ||
1309 | if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) | |
1310 | ABORT; | |
1311 | if (!BN_add(z, z, y)) | |
1312 | ABORT; | |
1313 | BN_set_negative(z, 1); | |
1314 | scalars[0] = y; | |
1315 | scalars[1] = z; /* z = -(order + y) */ | |
1316 | ||
1317 | if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) | |
1318 | ABORT; | |
1319 | if (!EC_POINT_is_at_infinity(group, P)) | |
1320 | ABORT; | |
1321 | ||
1322 | fprintf(stdout, "."); | |
1323 | fflush(stdout); | |
1324 | ||
1325 | if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0)) | |
1326 | ABORT; | |
1327 | if (!BN_add(z, x, y)) | |
1328 | ABORT; | |
1329 | BN_set_negative(z, 1); | |
1330 | scalars[0] = x; | |
1331 | scalars[1] = y; | |
1332 | scalars[2] = z; /* z = -(x+y) */ | |
1333 | ||
1334 | if (!EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx)) | |
1335 | ABORT; | |
1336 | if (!EC_POINT_is_at_infinity(group, P)) | |
1337 | ABORT; | |
1338 | ||
1339 | fprintf(stdout, " ok\n\n"); | |
1340 | } | |
1341 | ||
23a1d5e9 | 1342 | BN_CTX_free(ctx); |
0f113f3e MC |
1343 | BN_free(p); |
1344 | BN_free(a); | |
1345 | BN_free(b); | |
1346 | EC_GROUP_free(group); | |
1347 | EC_POINT_free(P); | |
1348 | EC_POINT_free(Q); | |
1349 | EC_POINT_free(R); | |
1350 | BN_free(x); | |
1351 | BN_free(y); | |
1352 | BN_free(z); | |
1353 | BN_free(cof); | |
1354 | ||
8fdc3734 RS |
1355 | EC_GROUP_free(C2_K163); |
1356 | EC_GROUP_free(C2_B163); | |
1357 | EC_GROUP_free(C2_K233); | |
1358 | EC_GROUP_free(C2_B233); | |
1359 | EC_GROUP_free(C2_K283); | |
1360 | EC_GROUP_free(C2_B283); | |
1361 | EC_GROUP_free(C2_K409); | |
1362 | EC_GROUP_free(C2_B409); | |
1363 | EC_GROUP_free(C2_K571); | |
1364 | EC_GROUP_free(C2_B571); | |
0f113f3e MC |
1365 | |
1366 | } | |
1367 | # endif | |
7793f30e | 1368 | |
5df2a249 | 1369 | static void internal_curve_test(void) |
0f113f3e MC |
1370 | { |
1371 | EC_builtin_curve *curves = NULL; | |
1372 | size_t crv_len = 0, n = 0; | |
1373 | int ok = 1; | |
1374 | ||
1375 | crv_len = EC_get_builtin_curves(NULL, 0); | |
b4faea50 | 1376 | curves = OPENSSL_malloc(sizeof(*curves) * crv_len); |
0f113f3e MC |
1377 | if (curves == NULL) |
1378 | return; | |
1379 | ||
1380 | if (!EC_get_builtin_curves(curves, crv_len)) { | |
1381 | OPENSSL_free(curves); | |
1382 | return; | |
1383 | } | |
1384 | ||
1385 | fprintf(stdout, "testing internal curves: "); | |
1386 | ||
1387 | for (n = 0; n < crv_len; n++) { | |
1388 | EC_GROUP *group = NULL; | |
1389 | int nid = curves[n].nid; | |
1390 | if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL) { | |
1391 | ok = 0; | |
1392 | fprintf(stdout, "\nEC_GROUP_new_curve_name() failed with" | |
1393 | " curve %s\n", OBJ_nid2sn(nid)); | |
1394 | /* try next curve */ | |
1395 | continue; | |
1396 | } | |
1397 | if (!EC_GROUP_check(group, NULL)) { | |
1398 | ok = 0; | |
1399 | fprintf(stdout, "\nEC_GROUP_check() failed with" | |
1400 | " curve %s\n", OBJ_nid2sn(nid)); | |
1401 | EC_GROUP_free(group); | |
1402 | /* try the next curve */ | |
1403 | continue; | |
1404 | } | |
1405 | fprintf(stdout, "."); | |
1406 | fflush(stdout); | |
1407 | EC_GROUP_free(group); | |
1408 | } | |
1409 | if (ok) | |
1410 | fprintf(stdout, " ok\n\n"); | |
1411 | else { | |
1412 | fprintf(stdout, " failed\n\n"); | |
1413 | ABORT; | |
1414 | } | |
920ed8c8 BB |
1415 | |
1416 | /* Test all built-in curves and let the library choose the EC_METHOD */ | |
1417 | for (n = 0; n < crv_len; n++) { | |
1418 | EC_GROUP *group = NULL; | |
1419 | int nid = curves[n].nid; | |
1420 | fprintf(stdout, "%s:\n", OBJ_nid2sn(nid)); | |
1421 | fflush(stdout); | |
1422 | if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL) { | |
1423 | ABORT; | |
1424 | } | |
1425 | group_order_tests(group); | |
1426 | EC_GROUP_free(group); | |
1427 | } | |
1428 | ||
0f113f3e MC |
1429 | OPENSSL_free(curves); |
1430 | return; | |
1431 | } | |
1432 | ||
1433 | # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 | |
1434 | /* | |
1435 | * nistp_test_params contains magic numbers for testing our optimized | |
1436 | * implementations of several NIST curves with characteristic > 3. | |
1437 | */ | |
1438 | struct nistp_test_params { | |
1439 | const EC_METHOD *(*meth) (); | |
1440 | int degree; | |
1441 | /* | |
1442 | * Qx, Qy and D are taken from | |
79caf5d3 | 1443 | * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/ECDSA_Prime.pdf |
0f113f3e MC |
1444 | * Otherwise, values are standard curve parameters from FIPS 180-3 |
1445 | */ | |
1446 | const char *p, *a, *b, *Qx, *Qy, *Gx, *Gy, *order, *d; | |
1447 | }; | |
1448 | ||
1449 | static const struct nistp_test_params nistp_tests_params[] = { | |
1450 | { | |
1451 | /* P-224 */ | |
1452 | EC_GFp_nistp224_method, | |
1453 | 224, | |
1454 | /* p */ | |
1455 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", | |
1456 | /* a */ | |
1457 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", | |
1458 | /* b */ | |
1459 | "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", | |
1460 | /* Qx */ | |
1461 | "E84FB0B8E7000CB657D7973CF6B42ED78B301674276DF744AF130B3E", | |
1462 | /* Qy */ | |
1463 | "4376675C6FC5612C21A0FF2D2A89D2987DF7A2BC52183B5982298555", | |
1464 | /* Gx */ | |
1465 | "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21", | |
1466 | /* Gy */ | |
1467 | "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", | |
1468 | /* order */ | |
1469 | "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", | |
1470 | /* d */ | |
1471 | "3F0C488E987C80BE0FEE521F8D90BE6034EC69AE11CA72AA777481E8", | |
1472 | }, | |
1473 | { | |
1474 | /* P-256 */ | |
1475 | EC_GFp_nistp256_method, | |
1476 | 256, | |
1477 | /* p */ | |
1478 | "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", | |
1479 | /* a */ | |
1480 | "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", | |
1481 | /* b */ | |
1482 | "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", | |
1483 | /* Qx */ | |
1484 | "b7e08afdfe94bad3f1dc8c734798ba1c62b3a0ad1e9ea2a38201cd0889bc7a19", | |
1485 | /* Qy */ | |
1486 | "3603f747959dbf7a4bb226e41928729063adc7ae43529e61b563bbc606cc5e09", | |
1487 | /* Gx */ | |
1488 | "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", | |
1489 | /* Gy */ | |
1490 | "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", | |
1491 | /* order */ | |
1492 | "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", | |
1493 | /* d */ | |
1494 | "c477f9f65c22cce20657faa5b2d1d8122336f851a508a1ed04e479c34985bf96", | |
1495 | }, | |
1496 | { | |
1497 | /* P-521 */ | |
1498 | EC_GFp_nistp521_method, | |
1499 | 521, | |
1500 | /* p */ | |
1501 | "1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", | |
1502 | /* a */ | |
1503 | "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", | |
1504 | /* b */ | |
1505 | "051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", | |
1506 | /* Qx */ | |
1507 | "0098e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4", | |
1508 | /* Qy */ | |
1509 | "0164350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e", | |
1510 | /* Gx */ | |
1511 | "c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", | |
1512 | /* Gy */ | |
1513 | "11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", | |
1514 | /* order */ | |
1515 | "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", | |
1516 | /* d */ | |
1517 | "0100085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eeedf09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722", | |
1518 | }, | |
1519 | }; | |
3e00b4c9 | 1520 | |
b597aab8 | 1521 | static void nistp_single_test(const struct nistp_test_params *test) |
0f113f3e MC |
1522 | { |
1523 | BN_CTX *ctx; | |
1524 | BIGNUM *p, *a, *b, *x, *y, *n, *m, *order; | |
1525 | EC_GROUP *NISTP; | |
1526 | EC_POINT *G, *P, *Q, *Q_CHECK; | |
1527 | ||
1528 | fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n", | |
1529 | test->degree); | |
1530 | ctx = BN_CTX_new(); | |
1531 | p = BN_new(); | |
1532 | a = BN_new(); | |
1533 | b = BN_new(); | |
1534 | x = BN_new(); | |
1535 | y = BN_new(); | |
1536 | m = BN_new(); | |
1537 | n = BN_new(); | |
1538 | order = BN_new(); | |
1539 | ||
1540 | NISTP = EC_GROUP_new(test->meth()); | |
1541 | if (!NISTP) | |
1542 | ABORT; | |
1543 | if (!BN_hex2bn(&p, test->p)) | |
1544 | ABORT; | |
1545 | if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) | |
1546 | ABORT; | |
1547 | if (!BN_hex2bn(&a, test->a)) | |
1548 | ABORT; | |
1549 | if (!BN_hex2bn(&b, test->b)) | |
1550 | ABORT; | |
1551 | if (!EC_GROUP_set_curve_GFp(NISTP, p, a, b, ctx)) | |
1552 | ABORT; | |
1553 | G = EC_POINT_new(NISTP); | |
1554 | P = EC_POINT_new(NISTP); | |
1555 | Q = EC_POINT_new(NISTP); | |
1556 | Q_CHECK = EC_POINT_new(NISTP); | |
1557 | if (!BN_hex2bn(&x, test->Qx)) | |
1558 | ABORT; | |
1559 | if (!BN_hex2bn(&y, test->Qy)) | |
1560 | ABORT; | |
1561 | if (!EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, y, ctx)) | |
1562 | ABORT; | |
1563 | if (!BN_hex2bn(&x, test->Gx)) | |
1564 | ABORT; | |
1565 | if (!BN_hex2bn(&y, test->Gy)) | |
1566 | ABORT; | |
1567 | if (!EC_POINT_set_affine_coordinates_GFp(NISTP, G, x, y, ctx)) | |
1568 | ABORT; | |
1569 | if (!BN_hex2bn(&order, test->order)) | |
1570 | ABORT; | |
1571 | if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) | |
1572 | ABORT; | |
1573 | ||
1574 | fprintf(stdout, "verify degree ... "); | |
1575 | if (EC_GROUP_get_degree(NISTP) != test->degree) | |
1576 | ABORT; | |
1577 | fprintf(stdout, "ok\n"); | |
1578 | ||
1579 | fprintf(stdout, "NIST test vectors ... "); | |
1580 | if (!BN_hex2bn(&n, test->d)) | |
1581 | ABORT; | |
1582 | /* fixed point multiplication */ | |
1583 | EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx); | |
1584 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1585 | ABORT; | |
1586 | /* random point multiplication */ | |
1587 | EC_POINT_mul(NISTP, Q, NULL, G, n, ctx); | |
1588 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1589 | ABORT; | |
1590 | ||
1591 | /* set generator to P = 2*G, where G is the standard generator */ | |
1592 | if (!EC_POINT_dbl(NISTP, P, G, ctx)) | |
1593 | ABORT; | |
1594 | if (!EC_GROUP_set_generator(NISTP, P, order, BN_value_one())) | |
1595 | ABORT; | |
1596 | /* set the scalar to m=n/2, where n is the NIST test scalar */ | |
1597 | if (!BN_rshift(m, n, 1)) | |
1598 | ABORT; | |
1599 | ||
1600 | /* test the non-standard generator */ | |
1601 | /* fixed point multiplication */ | |
1602 | EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx); | |
1603 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1604 | ABORT; | |
1605 | /* random point multiplication */ | |
1606 | EC_POINT_mul(NISTP, Q, NULL, P, m, ctx); | |
1607 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1608 | ABORT; | |
1609 | ||
8ce4e7e6 MC |
1610 | /* |
1611 | * We have not performed precomputation so have_precompute mult should be | |
1612 | * false | |
1613 | */ | |
1614 | if (EC_GROUP_have_precompute_mult(NISTP)) | |
1615 | ABORT; | |
1616 | ||
0f113f3e MC |
1617 | /* now repeat all tests with precomputation */ |
1618 | if (!EC_GROUP_precompute_mult(NISTP, ctx)) | |
1619 | ABORT; | |
8ce4e7e6 MC |
1620 | if (!EC_GROUP_have_precompute_mult(NISTP)) |
1621 | ABORT; | |
0f113f3e MC |
1622 | |
1623 | /* fixed point multiplication */ | |
1624 | EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx); | |
1625 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1626 | ABORT; | |
1627 | /* random point multiplication */ | |
1628 | EC_POINT_mul(NISTP, Q, NULL, P, m, ctx); | |
1629 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1630 | ABORT; | |
1631 | ||
1632 | /* reset generator */ | |
1633 | if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) | |
1634 | ABORT; | |
1635 | /* fixed point multiplication */ | |
1636 | EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx); | |
1637 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1638 | ABORT; | |
1639 | /* random point multiplication */ | |
1640 | EC_POINT_mul(NISTP, Q, NULL, G, n, ctx); | |
1641 | if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) | |
1642 | ABORT; | |
1643 | ||
1644 | fprintf(stdout, "ok\n"); | |
1645 | group_order_tests(NISTP); | |
0f113f3e MC |
1646 | EC_GROUP_free(NISTP); |
1647 | EC_POINT_free(G); | |
1648 | EC_POINT_free(P); | |
1649 | EC_POINT_free(Q); | |
1650 | EC_POINT_free(Q_CHECK); | |
1651 | BN_free(n); | |
1652 | BN_free(m); | |
1653 | BN_free(p); | |
1654 | BN_free(a); | |
1655 | BN_free(b); | |
1656 | BN_free(x); | |
1657 | BN_free(y); | |
1658 | BN_free(order); | |
1659 | BN_CTX_free(ctx); | |
1660 | } | |
3e00b4c9 | 1661 | |
b597aab8 | 1662 | static void nistp_tests() |
0f113f3e MC |
1663 | { |
1664 | unsigned i; | |
04daec86 | 1665 | |
bdcb1a2c | 1666 | for (i = 0; i < OSSL_NELEM(nistp_tests_params); i++) { |
0f113f3e MC |
1667 | nistp_single_test(&nistp_tests_params[i]); |
1668 | } | |
1669 | } | |
1670 | # endif | |
7793f30e | 1671 | |
0f113f3e MC |
1672 | static const char rnd_seed[] = |
1673 | "string to make the random number generator think it has entropy"; | |
7793f30e | 1674 | |
0f113f3e MC |
1675 | int main(int argc, char *argv[]) |
1676 | { | |
bbd86bf5 | 1677 | char *p; |
0f113f3e | 1678 | |
bbd86bf5 RS |
1679 | p = getenv("OPENSSL_DEBUG_MEMORY"); |
1680 | if (p != NULL && strcmp(p, "on") == 0) | |
1681 | CRYPTO_set_mem_debug(1); | |
0f113f3e | 1682 | CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); |
0f113f3e MC |
1683 | |
1684 | RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */ | |
1685 | ||
1686 | prime_field_tests(); | |
1687 | puts(""); | |
1688 | # ifndef OPENSSL_NO_EC2M | |
1689 | char2_field_tests(); | |
1690 | # endif | |
1691 | # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 | |
1692 | nistp_tests(); | |
1693 | # endif | |
1694 | /* test the internal curves */ | |
1695 | internal_curve_test(); | |
1696 | ||
c2e27310 | 1697 | #ifndef OPENSSL_NO_CRYPTO_MDEBUG |
541e9565 DSH |
1698 | if (CRYPTO_mem_leaks_fp(stderr) <= 0) |
1699 | return 1; | |
bbd86bf5 | 1700 | #endif |
0f113f3e MC |
1701 | |
1702 | return 0; | |
1703 | } | |
bb62a8b0 | 1704 | #endif |