1 /* crypto/ec/ectest.c */
2 /*
3  * Originally written by Bodo Moeller for the OpenSSL project.
4  */
5 /* ====================================================================
6  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    openssl-core@openssl.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58 /* ====================================================================
59  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60  *
61  * Portions of the attached software ("Contribution") are developed by
62  * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63  *
64  * The Contribution is licensed pursuant to the OpenSSL open source
65  * license provided above.
66  *
67  * The elliptic curve binary polynomial software is originally written by
68  * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69  *
70  */
71 
72 #include <stdio.h>
73 #include <stdlib.h>
74 #ifdef FLAT_INC
75 #include "e_os.h"
76 #else
77 #include "../e_os.h"
78 #endif
79 #include <string.h>
80 #include <time.h>
81 
82 
83 #ifdef OPENSSL_NO_EC
84 int main(int argc, char * argv[]) { puts("Elliptic curves are disabled."); return 0; }
85 #else
86 
87 
88 #include <openssl/ec.h>
89 #ifndef OPENSSL_NO_ENGINE
90 #include <openssl/engine.h>
91 #endif
92 #include <openssl/err.h>
93 #include <openssl/obj_mac.h>
94 #include <openssl/objects.h>
95 #include <openssl/rand.h>
96 #include <openssl/bn.h>
97 #include <openssl/opensslconf.h>
98 
99 #if defined(_MSC_VER) && defined(_MIPS_) && (_MSC_VER/100==12)
100 /* suppress "too big too optimize" warning */
101 #pragma warning(disable:4959)
102 #endif
103 
104 #define ABORT do { \
105 	fflush(stdout); \
106 	fprintf(stderr, "%s:%d: ABORT\n", __FILE__, __LINE__); \
107 	ERR_print_errors_fp(stderr); \
108 	EXIT(1); \
109 } while (0)
110 
111 #define TIMING_BASE_PT 0
112 #define TIMING_RAND_PT 1
113 #define TIMING_SIMUL 2
114 
115 #if 0
116 static void timings(EC_GROUP *group, int type, BN_CTX *ctx)
117 	{
118 	clock_t clck;
119 	int i, j;
120 	BIGNUM *s;
121 	BIGNUM *r[10], *r0[10];
122 	EC_POINT *P;
123 
124 	s = BN_new();
125 	if (s == NULL) ABORT;
126 
127 	fprintf(stdout, "Timings for %d-bit field, ", EC_GROUP_get_degree(group));
128 	if (!EC_GROUP_get_order(group, s, ctx)) ABORT;
129 	fprintf(stdout, "%d-bit scalars ", (int)BN_num_bits(s));
130 	fflush(stdout);
131 
132 	P = EC_POINT_new(group);
133 	if (P == NULL) ABORT;
134 	EC_POINT_copy(P, EC_GROUP_get0_generator(group));
135 
136 	for (i = 0; i < 10; i++)
137 		{
138 		if ((r[i] = BN_new()) == NULL) ABORT;
139 		if (!BN_pseudo_rand(r[i], BN_num_bits(s), 0, 0)) ABORT;
140 		if (type != TIMING_BASE_PT)
141 			{
142 			if ((r0[i] = BN_new()) == NULL) ABORT;
143 			if (!BN_pseudo_rand(r0[i], BN_num_bits(s), 0, 0)) ABORT;
144 			}
145 		}
146 
147 	clck = clock();
148 	for (i = 0; i < 10; i++)
149 		{
150 		for (j = 0; j < 10; j++)
151 			{
152 			if (!EC_POINT_mul(group, P, (type != TIMING_RAND_PT) ? r[i] : NULL,
153 				(type != TIMING_BASE_PT) ? P : NULL, (type != TIMING_BASE_PT) ? r0[i] : NULL, ctx)) ABORT;
154 			}
155 		}
156 	clck = clock() - clck;
157 
158 	fprintf(stdout, "\n");
159 
160 #ifdef CLOCKS_PER_SEC
161 	/* "To determine the time in seconds, the value returned
162 	 * by the clock function should be divided by the value
163 	 * of the macro CLOCKS_PER_SEC."
164 	 *                                       -- ISO/IEC 9899 */
165 #	define UNIT "s"
166 #else
167 	/* "`CLOCKS_PER_SEC' undeclared (first use this function)"
168 	 *                            -- cc on NeXTstep/OpenStep */
169 #	define UNIT "units"
170 #	define CLOCKS_PER_SEC 1
171 #endif
172 
173 	if (type == TIMING_BASE_PT) {
174 		fprintf(stdout, "%i %s in %.2f " UNIT "\n", i*j,
175 			"base point multiplications", (double)clck/CLOCKS_PER_SEC);
176 	} else if (type == TIMING_RAND_PT) {
177 		fprintf(stdout, "%i %s in %.2f " UNIT "\n", i*j,
178 			"random point multiplications", (double)clck/CLOCKS_PER_SEC);
179 	} else if (type == TIMING_SIMUL) {
180 		fprintf(stdout, "%i %s in %.2f " UNIT "\n", i*j,
181 			"s*P+t*Q operations", (double)clck/CLOCKS_PER_SEC);
182 	}
183 	fprintf(stdout, "average: %.4f " UNIT "\n", (double)clck/(CLOCKS_PER_SEC*i*j));
184 
185 	EC_POINT_free(P);
186 	BN_free(s);
187 	for (i = 0; i < 10; i++)
188 		{
189 		BN_free(r[i]);
190 		if (type != TIMING_BASE_PT) BN_free(r0[i]);
191 		}
192 	}
193 #endif
194 
195 /* test multiplication with group order, long and negative scalars */
196 static void group_order_tests(EC_GROUP *group)
197 	{
198 	BIGNUM *n1, *n2, *order;
199 	EC_POINT *P = EC_POINT_new(group);
200 	EC_POINT *Q = EC_POINT_new(group);
201 	BN_CTX *ctx = BN_CTX_new();
202 
203 	n1 = BN_new(); n2 = BN_new(); order = BN_new();
204 	fprintf(stdout, "verify group order ...");
205 	fflush(stdout);
206 	if (!EC_GROUP_get_order(group, order, ctx)) ABORT;
207 	if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) ABORT;
208 	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
209 	fprintf(stdout, ".");
210 	fflush(stdout);
211 	if (!EC_GROUP_precompute_mult(group, ctx)) ABORT;
212 	if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) ABORT;
213 	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
214 	fprintf(stdout, " ok\n");
215 	fprintf(stdout, "long/negative scalar tests ... ");
216 	if (!BN_one(n1)) ABORT;
217 	/* n1 = 1 - order */
218 	if (!BN_sub(n1, n1, order)) ABORT;
219 	if(!EC_POINT_mul(group, Q, NULL, P, n1, ctx)) ABORT;
220 	if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
221 	/* n2 = 1 + order */
222 	if (!BN_add(n2, order, BN_value_one())) ABORT;
223 	if(!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
224 	if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
225 	/* n2 = (1 - order) * (1 + order) */
226 	if (!BN_mul(n2, n1, n2, ctx)) ABORT;
227 	if(!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
228 	if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
229 	fprintf(stdout, "ok\n");
230 	EC_POINT_free(P);
231 	EC_POINT_free(Q);
232 	BN_free(n1);
233 	BN_free(n2);
234 	BN_free(order);
235 	BN_CTX_free(ctx);
236 	}
237 
238 static void prime_field_tests(void)
239 	{
240 	BN_CTX *ctx = NULL;
241 	BIGNUM *p, *a, *b;
242 	EC_GROUP *group;
243 	EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 = NULL, *P_384 = NULL, *P_521 = NULL;
244 	EC_POINT *P, *Q, *R;
245 	BIGNUM *x, *y, *z;
246 	unsigned char buf[100];
247 	size_t i, len;
248 	int k;
249 
250 #if 1 /* optional */
251 	ctx = BN_CTX_new();
252 	if (!ctx) ABORT;
253 #endif
254 
255 	p = BN_new();
256 	a = BN_new();
257 	b = BN_new();
258 	if (!p || !a || !b) ABORT;
259 
260 	if (!BN_hex2bn(&p, "17")) ABORT;
261 	if (!BN_hex2bn(&a, "1")) ABORT;
262 	if (!BN_hex2bn(&b, "1")) ABORT;
263 
264 	group = EC_GROUP_new(EC_GFp_mont_method()); /* applications should use EC_GROUP_new_curve_GFp
265 	                                             * so that the library gets to choose the EC_METHOD */
266 	if (!group) ABORT;
267 
268 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
269 
270 	{
271 		EC_GROUP *tmp;
272 		tmp = EC_GROUP_new(EC_GROUP_method_of(group));
273 		if (!tmp) ABORT;
274 		if (!EC_GROUP_copy(tmp, group)) ABORT;
275 		EC_GROUP_free(group);
276 		group = tmp;
277 	}
278 
279 	if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx)) ABORT;
280 
281 	fprintf(stdout, "Curve defined by Weierstrass equation\n     y^2 = x^3 + a*x + b  (mod 0x");
282 	BN_print_fp(stdout, p);
283 	fprintf(stdout, ")\n     a = 0x");
284 	BN_print_fp(stdout, a);
285 	fprintf(stdout, "\n     b = 0x");
286 	BN_print_fp(stdout, b);
287 	fprintf(stdout, "\n");
288 
289 	P = EC_POINT_new(group);
290 	Q = EC_POINT_new(group);
291 	R = EC_POINT_new(group);
292 	if (!P || !Q || !R) ABORT;
293 
294 	if (!EC_POINT_set_to_infinity(group, P)) ABORT;
295 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
296 
297 	buf[0] = 0;
298 	if (!EC_POINT_oct2point(group, Q, buf, 1, ctx)) ABORT;
299 
300 	if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
301 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
302 
303 	x = BN_new();
304 	y = BN_new();
305 	z = BN_new();
306 	if (!x || !y || !z) ABORT;
307 
308 	if (!BN_hex2bn(&x, "D")) ABORT;
309 	if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx)) ABORT;
310 	if (!EC_POINT_is_on_curve(group, Q, ctx))
311 		{
312 		if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx)) ABORT;
313 		fprintf(stderr, "Point is not on curve: x = 0x");
314 		BN_print_fp(stderr, x);
315 		fprintf(stderr, ", y = 0x");
316 		BN_print_fp(stderr, y);
317 		fprintf(stderr, "\n");
318 		ABORT;
319 		}
320 
321 	fprintf(stdout, "A cyclic subgroup:\n");
322 	k = 100;
323 	do
324 		{
325 		if (k-- == 0) ABORT;
326 
327 		if (EC_POINT_is_at_infinity(group, P))
328 			fprintf(stdout, "     point at infinity\n");
329 		else
330 			{
331 			if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
332 
333 			fprintf(stdout, "     x = 0x");
334 			BN_print_fp(stdout, x);
335 			fprintf(stdout, ", y = 0x");
336 			BN_print_fp(stdout, y);
337 			fprintf(stdout, "\n");
338 			}
339 
340 		if (!EC_POINT_copy(R, P)) ABORT;
341 		if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
342 
343 #if 0 /* optional */
344 		{
345 			EC_POINT *points[3];
346 
347 			points[0] = R;
348 			points[1] = Q;
349 			points[2] = P;
350 			if (!EC_POINTs_make_affine(group, 2, points, ctx)) ABORT;
351 		}
352 #endif
353 
354 		}
355 	while (!EC_POINT_is_at_infinity(group, P));
356 
357 	if (!EC_POINT_add(group, P, Q, R, ctx)) ABORT;
358 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
359 
360 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf, sizeof buf, ctx);
361 	if (len == 0) ABORT;
362 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
363 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
364 	fprintf(stdout, "Generator as octet string, compressed form:\n     ");
365 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
366 
367 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf, sizeof buf, ctx);
368 	if (len == 0) ABORT;
369 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
370 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
371 	fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n     ");
372 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
373 
374 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf, ctx);
375 	if (len == 0) ABORT;
376 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
377 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
378 	fprintf(stdout, "\nGenerator as octet string, hybrid form:\n     ");
379 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
380 
381 	if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx)) ABORT;
382 	fprintf(stdout, "\nA representation of the inverse of that generator in\nJacobian projective coordinates:\n     X = 0x");
383 	BN_print_fp(stdout, x);
384 	fprintf(stdout, ", Y = 0x");
385 	BN_print_fp(stdout, y);
386 	fprintf(stdout, ", Z = 0x");
387 	BN_print_fp(stdout, z);
388 	fprintf(stdout, "\n");
389 
390 	if (!EC_POINT_invert(group, P, ctx)) ABORT;
391 	if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT;
392 
393 
394 	/* Curve secp160r1 (Certicom Research SEC 2 Version 1.0, section 2.4.2, 2000)
395 	 * -- not a NIST curve, but commonly used */
396 
397 	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF")) ABORT;
398 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
399 	if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC")) ABORT;
400 	if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45")) ABORT;
401 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
402 
403 	if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82")) ABORT;
404 	if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32")) ABORT;
405 	if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
406 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
407 	if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257")) ABORT;
408 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
409 
410 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
411 	fprintf(stdout, "\nSEC2 curve secp160r1 -- Generator:\n     x = 0x");
412 	BN_print_fp(stdout, x);
413 	fprintf(stdout, "\n     y = 0x");
414 	BN_print_fp(stdout, y);
415 	fprintf(stdout, "\n");
416 	/* G_y value taken from the standard: */
417 	if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32")) ABORT;
418 	if (0 != BN_cmp(y, z)) ABORT;
419 
420 	fprintf(stdout, "verify degree ...");
421 	if (EC_GROUP_get_degree(group) != 160) ABORT;
422 	fprintf(stdout, " ok\n");
423 
424 	group_order_tests(group);
425 
426 	if (!(P_160 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
427 	if (!EC_GROUP_copy(P_160, group)) ABORT;
428 
429 
430 	/* Curve P-192 (FIPS PUB 186-2, App. 6) */
431 
432 	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF")) ABORT;
433 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
434 	if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC")) ABORT;
435 	if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1")) ABORT;
436 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
437 
438 	if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012")) ABORT;
439 	if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) ABORT;
440 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
441 	if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831")) ABORT;
442 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
443 
444 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
445 	fprintf(stdout, "\nNIST curve P-192 -- Generator:\n     x = 0x");
446 	BN_print_fp(stdout, x);
447 	fprintf(stdout, "\n     y = 0x");
448 	BN_print_fp(stdout, y);
449 	fprintf(stdout, "\n");
450 	/* G_y value taken from the standard: */
451 	if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811")) ABORT;
452 	if (0 != BN_cmp(y, z)) ABORT;
453 
454 	fprintf(stdout, "verify degree ...");
455 	if (EC_GROUP_get_degree(group) != 192) ABORT;
456 	fprintf(stdout, " ok\n");
457 
458 	group_order_tests(group);
459 
460 	if (!(P_192 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
461 	if (!EC_GROUP_copy(P_192, group)) ABORT;
462 
463 
464 	/* Curve P-224 (FIPS PUB 186-2, App. 6) */
465 
466 	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001")) ABORT;
467 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
468 	if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE")) ABORT;
469 	if (!BN_hex2bn(&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4")) ABORT;
470 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
471 
472 	if (!BN_hex2bn(&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21")) ABORT;
473 	if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx)) ABORT;
474 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
475 	if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D")) ABORT;
476 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
477 
478 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
479 	fprintf(stdout, "\nNIST curve P-224 -- Generator:\n     x = 0x");
480 	BN_print_fp(stdout, x);
481 	fprintf(stdout, "\n     y = 0x");
482 	BN_print_fp(stdout, y);
483 	fprintf(stdout, "\n");
484 	/* G_y value taken from the standard: */
485 	if (!BN_hex2bn(&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34")) ABORT;
486 	if (0 != BN_cmp(y, z)) ABORT;
487 
488 	fprintf(stdout, "verify degree ...");
489 	if (EC_GROUP_get_degree(group) != 224) ABORT;
490 	fprintf(stdout, " ok\n");
491 
492 	group_order_tests(group);
493 
494 	if (!(P_224 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
495 	if (!EC_GROUP_copy(P_224, group)) ABORT;
496 
497 
498 	/* Curve P-256 (FIPS PUB 186-2, App. 6) */
499 
500 	if (!BN_hex2bn(&p, "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF")) ABORT;
501 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
502 	if (!BN_hex2bn(&a, "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC")) ABORT;
503 	if (!BN_hex2bn(&b, "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B")) ABORT;
504 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
505 
506 	if (!BN_hex2bn(&x, "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296")) ABORT;
507 	if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) ABORT;
508 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
509 	if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"
510 		"84F3B9CAC2FC632551")) ABORT;
511 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
512 
513 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
514 	fprintf(stdout, "\nNIST curve P-256 -- 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, "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5")) ABORT;
521 	if (0 != BN_cmp(y, z)) ABORT;
522 
523 	fprintf(stdout, "verify degree ...");
524 	if (EC_GROUP_get_degree(group) != 256) ABORT;
525 	fprintf(stdout, " ok\n");
526 
527 	group_order_tests(group);
528 
529 	if (!(P_256 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
530 	if (!EC_GROUP_copy(P_256, group)) ABORT;
531 
532 
533 	/* Curve P-384 (FIPS PUB 186-2, App. 6) */
534 
535 	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
536 		"FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF")) ABORT;
537 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
538 	if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
539 		"FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC")) ABORT;
540 	if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141"
541 		"120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF")) ABORT;
542 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
543 
544 	if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B"
545 		"9859F741E082542A385502F25DBF55296C3A545E3872760AB7")) ABORT;
546 	if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx)) ABORT;
547 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
548 	if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
549 		"FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973")) ABORT;
550 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
551 
552 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
553 	fprintf(stdout, "\nNIST curve P-384 -- Generator:\n     x = 0x");
554 	BN_print_fp(stdout, x);
555 	fprintf(stdout, "\n     y = 0x");
556 	BN_print_fp(stdout, y);
557 	fprintf(stdout, "\n");
558 	/* G_y value taken from the standard: */
559 	if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14"
560 		"7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F")) ABORT;
561 	if (0 != BN_cmp(y, z)) ABORT;
562 
563 	fprintf(stdout, "verify degree ...");
564 	if (EC_GROUP_get_degree(group) != 384) ABORT;
565 	fprintf(stdout, " ok\n");
566 
567 	group_order_tests(group);
568 
569 	if (!(P_384 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
570 	if (!EC_GROUP_copy(P_384, group)) ABORT;
571 
572 
573 	/* Curve P-521 (FIPS PUB 186-2, App. 6) */
574 
575 	if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
576 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
577 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFF")) ABORT;
578 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
579 	if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
580 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
581 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFC")) ABORT;
582 	if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B"
583 		"315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573"
584 		"DF883D2C34F1EF451FD46B503F00")) ABORT;
585 	if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx)) ABORT;
586 
587 	if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F"
588 		"B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B"
589 		"3C1856A429BF97E7E31C2E5BD66")) ABORT;
590 	if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx)) ABORT;
591 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
592 	if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
593 		"FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"
594 		"C9B8899C47AEBB6FB71E91386409")) ABORT;
595 	if (!EC_GROUP_set_generator(group, P, z, BN_value_one())) ABORT;
596 
597 	if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)) ABORT;
598 	fprintf(stdout, "\nNIST curve P-521 -- Generator:\n     x = 0x");
599 	BN_print_fp(stdout, x);
600 	fprintf(stdout, "\n     y = 0x");
601 	BN_print_fp(stdout, y);
602 	fprintf(stdout, "\n");
603 	/* G_y value taken from the standard: */
604 	if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579"
605 		"B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C"
606 		"7086A272C24088BE94769FD16650")) ABORT;
607 	if (0 != BN_cmp(y, z)) ABORT;
608 
609 	fprintf(stdout, "verify degree ...");
610 	if (EC_GROUP_get_degree(group) != 521) ABORT;
611 	fprintf(stdout, " ok\n");
612 
613  	group_order_tests(group);
614 
615 	if (!(P_521 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
616 	if (!EC_GROUP_copy(P_521, group)) ABORT;
617 
618 
619 	/* more tests using the last curve */
620 
621 	if (!EC_POINT_copy(Q, P)) ABORT;
622 	if (EC_POINT_is_at_infinity(group, Q)) ABORT;
623 	if (!EC_POINT_dbl(group, P, P, ctx)) ABORT;
624 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
625 	if (!EC_POINT_invert(group, Q, ctx)) ABORT; /* P = -2Q */
626 
627 	if (!EC_POINT_add(group, R, P, Q, ctx)) ABORT;
628 	if (!EC_POINT_add(group, R, R, Q, ctx)) ABORT;
629 	if (!EC_POINT_is_at_infinity(group, R)) ABORT; /* R = P + 2Q */
630 
631 	{
632 		const EC_POINT *points[4];
633 		const BIGNUM *scalars[4];
634 		BIGNUM scalar3;
635 
636 		if (EC_POINT_is_at_infinity(group, Q)) ABORT;
637 		points[0] = Q;
638 		points[1] = Q;
639 		points[2] = Q;
640 		points[3] = Q;
641 
642 		if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
643 		if (!BN_add(y, z, BN_value_one())) ABORT;
644 		if (BN_is_odd(y)) ABORT;
645 		if (!BN_rshift1(y, y)) ABORT;
646 		scalars[0] = y; /* (group order + 1)/2,  so  y*Q + y*Q = Q */
647 		scalars[1] = y;
648 
649 		fprintf(stdout, "combined multiplication ...");
650 		fflush(stdout);
651 
652 		/* z is still the group order */
653 		if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT;
654 		if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) ABORT;
655 		if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT;
656 		if (0 != EC_POINT_cmp(group, R, Q, ctx)) ABORT;
657 
658 		fprintf(stdout, ".");
659 		fflush(stdout);
660 
661 		if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) ABORT;
662 		if (!BN_add(z, z, y)) ABORT;
663 		BN_set_negative(z, 1);
664 		scalars[0] = y;
665 		scalars[1] = z; /* z = -(order + y) */
666 
667 		if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT;
668 		if (!EC_POINT_is_at_infinity(group, P)) ABORT;
669 
670 		fprintf(stdout, ".");
671 		fflush(stdout);
672 
673 		if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0)) ABORT;
674 		if (!BN_add(z, x, y)) ABORT;
675 		BN_set_negative(z, 1);
676 		scalars[0] = x;
677 		scalars[1] = y;
678 		scalars[2] = z; /* z = -(x+y) */
679 
680 		BN_init(&scalar3);
681 		BN_zero(&scalar3);
682 		scalars[3] = &scalar3;
683 
684 		if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx)) ABORT;
685 		if (!EC_POINT_is_at_infinity(group, P)) ABORT;
686 
687 		fprintf(stdout, " ok\n\n");
688 
689 		BN_free(&scalar3);
690 	}
691 
692 
693 #if 0
694 	timings(P_160, TIMING_BASE_PT, ctx);
695 	timings(P_160, TIMING_RAND_PT, ctx);
696 	timings(P_160, TIMING_SIMUL, ctx);
697 	timings(P_192, TIMING_BASE_PT, ctx);
698 	timings(P_192, TIMING_RAND_PT, ctx);
699 	timings(P_192, TIMING_SIMUL, ctx);
700 	timings(P_224, TIMING_BASE_PT, ctx);
701 	timings(P_224, TIMING_RAND_PT, ctx);
702 	timings(P_224, TIMING_SIMUL, ctx);
703 	timings(P_256, TIMING_BASE_PT, ctx);
704 	timings(P_256, TIMING_RAND_PT, ctx);
705 	timings(P_256, TIMING_SIMUL, ctx);
706 	timings(P_384, TIMING_BASE_PT, ctx);
707 	timings(P_384, TIMING_RAND_PT, ctx);
708 	timings(P_384, TIMING_SIMUL, ctx);
709 	timings(P_521, TIMING_BASE_PT, ctx);
710 	timings(P_521, TIMING_RAND_PT, ctx);
711 	timings(P_521, TIMING_SIMUL, ctx);
712 #endif
713 
714 
715 	if (ctx)
716 		BN_CTX_free(ctx);
717 	BN_free(p); BN_free(a);	BN_free(b);
718 	EC_GROUP_free(group);
719 	EC_POINT_free(P);
720 	EC_POINT_free(Q);
721 	EC_POINT_free(R);
722 	BN_free(x); BN_free(y); BN_free(z);
723 
724 	if (P_160) EC_GROUP_free(P_160);
725 	if (P_192) EC_GROUP_free(P_192);
726 	if (P_224) EC_GROUP_free(P_224);
727 	if (P_256) EC_GROUP_free(P_256);
728 	if (P_384) EC_GROUP_free(P_384);
729 	if (P_521) EC_GROUP_free(P_521);
730 
731 	}
732 
733 /* Change test based on whether binary point compression is enabled or not. */
734 #ifdef OPENSSL_EC_BIN_PT_COMP
735 #define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
736 	if (!BN_hex2bn(&x, _x)) ABORT; \
737 	if (!EC_POINT_set_compressed_coordinates_GF2m(group, P, x, _y_bit, ctx)) ABORT; \
738 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT; \
739 	if (!BN_hex2bn(&z, _order)) ABORT; \
740 	if (!BN_hex2bn(&cof, _cof)) ABORT; \
741 	if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
742 	if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
743 	fprintf(stdout, "\n%s -- Generator:\n     x = 0x", _name); \
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, _y)) ABORT; \
750 	if (0 != BN_cmp(y, z)) ABORT;
751 #else
752 #define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
753 	if (!BN_hex2bn(&x, _x)) ABORT; \
754 	if (!BN_hex2bn(&y, _y)) ABORT; \
755 	if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
756 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT; \
757 	if (!BN_hex2bn(&z, _order)) ABORT; \
758 	if (!BN_hex2bn(&cof, _cof)) ABORT; \
759 	if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
760 	fprintf(stdout, "\n%s -- Generator:\n     x = 0x", _name); \
761 	BN_print_fp(stdout, x); \
762 	fprintf(stdout, "\n     y = 0x"); \
763 	BN_print_fp(stdout, y); \
764 	fprintf(stdout, "\n");
765 #endif
766 
767 #define CHAR2_CURVE_TEST(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
768 	if (!BN_hex2bn(&p, _p)) ABORT; \
769 	if (!BN_hex2bn(&a, _a)) ABORT; \
770 	if (!BN_hex2bn(&b, _b)) ABORT; \
771 	if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT; \
772 	CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
773 	fprintf(stdout, "verify degree ..."); \
774 	if (EC_GROUP_get_degree(group) != _degree) ABORT; \
775 	fprintf(stdout, " ok\n"); \
776 	group_order_tests(group); \
777 	if (!(_variable = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT; \
778 	if (!EC_GROUP_copy(_variable, group)) ABORT; \
779 
780 #ifndef OPENSSL_NO_EC2M
781 
782 static void char2_field_tests(void)
783 	{
784 	BN_CTX *ctx = NULL;
785 	BIGNUM *p, *a, *b;
786 	EC_GROUP *group;
787 	EC_GROUP *C2_K163 = NULL, *C2_K233 = NULL, *C2_K283 = NULL, *C2_K409 = NULL, *C2_K571 = NULL;
788 	EC_GROUP *C2_B163 = NULL, *C2_B233 = NULL, *C2_B283 = NULL, *C2_B409 = NULL, *C2_B571 = NULL;
789 	EC_POINT *P, *Q, *R;
790 	BIGNUM *x, *y, *z, *cof;
791 	unsigned char buf[100];
792 	size_t i, len;
793 	int k;
794 
795 #if 1 /* optional */
796 	ctx = BN_CTX_new();
797 	if (!ctx) ABORT;
798 #endif
799 
800 	p = BN_new();
801 	a = BN_new();
802 	b = BN_new();
803 	if (!p || !a || !b) ABORT;
804 
805 	if (!BN_hex2bn(&p, "13")) ABORT;
806 	if (!BN_hex2bn(&a, "3")) ABORT;
807 	if (!BN_hex2bn(&b, "1")) ABORT;
808 
809 	group = EC_GROUP_new(EC_GF2m_simple_method()); /* applications should use EC_GROUP_new_curve_GF2m
810 	                                                * so that the library gets to choose the EC_METHOD */
811 	if (!group) ABORT;
812 	if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT;
813 
814 	{
815 		EC_GROUP *tmp;
816 		tmp = EC_GROUP_new(EC_GROUP_method_of(group));
817 		if (!tmp) ABORT;
818 		if (!EC_GROUP_copy(tmp, group)) ABORT;
819 		EC_GROUP_free(group);
820 		group = tmp;
821 	}
822 
823 	if (!EC_GROUP_get_curve_GF2m(group, p, a, b, ctx)) ABORT;
824 
825 	fprintf(stdout, "Curve defined by Weierstrass equation\n     y^2 + x*y = x^3 + a*x^2 + b  (mod 0x");
826 	BN_print_fp(stdout, p);
827 	fprintf(stdout, ")\n     a = 0x");
828 	BN_print_fp(stdout, a);
829 	fprintf(stdout, "\n     b = 0x");
830 	BN_print_fp(stdout, b);
831 	fprintf(stdout, "\n(0x... means binary polynomial)\n");
832 
833 	P = EC_POINT_new(group);
834 	Q = EC_POINT_new(group);
835 	R = EC_POINT_new(group);
836 	if (!P || !Q || !R) ABORT;
837 
838 	if (!EC_POINT_set_to_infinity(group, P)) ABORT;
839 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
840 
841 	buf[0] = 0;
842 	if (!EC_POINT_oct2point(group, Q, buf, 1, ctx)) ABORT;
843 
844 	if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
845 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
846 
847 	x = BN_new();
848 	y = BN_new();
849 	z = BN_new();
850 	cof = BN_new();
851 	if (!x || !y || !z || !cof) ABORT;
852 
853 	if (!BN_hex2bn(&x, "6")) ABORT;
854 /* Change test based on whether binary point compression is enabled or not. */
855 #ifdef OPENSSL_EC_BIN_PT_COMP
856 	if (!EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1, ctx)) ABORT;
857 #else
858 	if (!BN_hex2bn(&y, "8")) ABORT;
859 	if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx)) ABORT;
860 #endif
861 	if (!EC_POINT_is_on_curve(group, Q, ctx))
862 		{
863 /* Change test based on whether binary point compression is enabled or not. */
864 #ifdef OPENSSL_EC_BIN_PT_COMP
865 		if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx)) ABORT;
866 #endif
867 		fprintf(stderr, "Point is not on curve: x = 0x");
868 		BN_print_fp(stderr, x);
869 		fprintf(stderr, ", y = 0x");
870 		BN_print_fp(stderr, y);
871 		fprintf(stderr, "\n");
872 		ABORT;
873 		}
874 
875 	fprintf(stdout, "A cyclic subgroup:\n");
876 	k = 100;
877 	do
878 		{
879 		if (k-- == 0) ABORT;
880 
881 		if (EC_POINT_is_at_infinity(group, P))
882 			fprintf(stdout, "     point at infinity\n");
883 		else
884 			{
885 			if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT;
886 
887 			fprintf(stdout, "     x = 0x");
888 			BN_print_fp(stdout, x);
889 			fprintf(stdout, ", y = 0x");
890 			BN_print_fp(stdout, y);
891 			fprintf(stdout, "\n");
892 			}
893 
894 		if (!EC_POINT_copy(R, P)) ABORT;
895 		if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
896 		}
897 	while (!EC_POINT_is_at_infinity(group, P));
898 
899 	if (!EC_POINT_add(group, P, Q, R, ctx)) ABORT;
900 	if (!EC_POINT_is_at_infinity(group, P)) ABORT;
901 
902 /* Change test based on whether binary point compression is enabled or not. */
903 #ifdef OPENSSL_EC_BIN_PT_COMP
904 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf, sizeof buf, ctx);
905 	if (len == 0) ABORT;
906 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
907 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
908 	fprintf(stdout, "Generator as octet string, compressed form:\n     ");
909 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
910 #endif
911 
912 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf, sizeof buf, ctx);
913 	if (len == 0) ABORT;
914 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
915 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
916 	fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n     ");
917 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
918 
919 /* Change test based on whether binary point compression is enabled or not. */
920 #ifdef OPENSSL_EC_BIN_PT_COMP
921 	len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf, ctx);
922 	if (len == 0) ABORT;
923 	if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT;
924 	if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT;
925 	fprintf(stdout, "\nGenerator as octet string, hybrid form:\n     ");
926 	for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]);
927 #endif
928 
929 	fprintf(stdout, "\n");
930 
931 	if (!EC_POINT_invert(group, P, ctx)) ABORT;
932 	if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT;
933 
934 
935 	/* Curve K-163 (FIPS PUB 186-2, App. 6) */
936 	CHAR2_CURVE_TEST
937 		(
938 		"NIST curve K-163",
939 		"0800000000000000000000000000000000000000C9",
940 		"1",
941 		"1",
942 		"02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8",
943 		"0289070FB05D38FF58321F2E800536D538CCDAA3D9",
944 		1,
945 		"04000000000000000000020108A2E0CC0D99F8A5EF",
946 		"2",
947 		163,
948 		C2_K163
949 		);
950 
951 	/* Curve B-163 (FIPS PUB 186-2, App. 6) */
952 	CHAR2_CURVE_TEST
953 		(
954 		"NIST curve B-163",
955 		"0800000000000000000000000000000000000000C9",
956 		"1",
957 		"020A601907B8C953CA1481EB10512F78744A3205FD",
958 		"03F0EBA16286A2D57EA0991168D4994637E8343E36",
959 		"00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
960 		1,
961 		"040000000000000000000292FE77E70C12A4234C33",
962 		"2",
963 		163,
964 		C2_B163
965 		);
966 
967 	/* Curve K-233 (FIPS PUB 186-2, App. 6) */
968 	CHAR2_CURVE_TEST
969 		(
970 		"NIST curve K-233",
971 		"020000000000000000000000000000000000000004000000000000000001",
972 		"0",
973 		"1",
974 		"017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
975 		"01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
976 		0,
977 		"008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
978 		"4",
979 		233,
980 		C2_K233
981 		);
982 
983 	/* Curve B-233 (FIPS PUB 186-2, App. 6) */
984 	CHAR2_CURVE_TEST
985 		(
986 		"NIST curve B-233",
987 		"020000000000000000000000000000000000000004000000000000000001",
988 		"000000000000000000000000000000000000000000000000000000000001",
989 		"0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
990 		"00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B",
991 		"01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
992 		1,
993 		"01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
994 		"2",
995 		233,
996 		C2_B233
997 		);
998 
999 	/* Curve K-283 (FIPS PUB 186-2, App. 6) */
1000 	CHAR2_CURVE_TEST
1001 		(
1002 		"NIST curve K-283",
1003 		"0800000000000000000000000000000000000000000000000000000000000000000010A1",
1004 		"0",
1005 		"1",
1006 		"0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836",
1007 		"01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
1008 		0,
1009 		"01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
1010 		"4",
1011 		283,
1012 		C2_K283
1013 		);
1014 
1015 	/* Curve B-283 (FIPS PUB 186-2, App. 6) */
1016 	CHAR2_CURVE_TEST
1017 		(
1018 		"NIST curve B-283",
1019 		"0800000000000000000000000000000000000000000000000000000000000000000010A1",
1020 		"000000000000000000000000000000000000000000000000000000000000000000000001",
1021 		"027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
1022 		"05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053",
1023 		"03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
1024 		1,
1025 		"03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
1026 		"2",
1027 		283,
1028 		C2_B283
1029 		);
1030 
1031 	/* Curve K-409 (FIPS PUB 186-2, App. 6) */
1032 	CHAR2_CURVE_TEST
1033 		(
1034 		"NIST curve K-409",
1035 		"02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
1036 		"0",
1037 		"1",
1038 		"0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
1039 		"01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
1040 		1,
1041 		"007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
1042 		"4",
1043 		409,
1044 		C2_K409
1045 		);
1046 
1047 	/* Curve B-409 (FIPS PUB 186-2, App. 6) */
1048 	CHAR2_CURVE_TEST
1049 		(
1050 		"NIST curve B-409",
1051 		"02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
1052 		"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
1053 		"0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
1054 		"015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7",
1055 		"0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
1056 		1,
1057 		"010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
1058 		"2",
1059 		409,
1060 		C2_B409
1061 		);
1062 
1063 	/* Curve K-571 (FIPS PUB 186-2, App. 6) */
1064 	CHAR2_CURVE_TEST
1065 		(
1066 		"NIST curve K-571",
1067 		"80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
1068 		"0",
1069 		"1",
1070 		"026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972",
1071 		"0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
1072 		0,
1073 		"020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
1074 		"4",
1075 		571,
1076 		C2_K571
1077 		);
1078 
1079 	/* Curve B-571 (FIPS PUB 186-2, App. 6) */
1080 	CHAR2_CURVE_TEST
1081 		(
1082 		"NIST curve B-571",
1083 		"80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
1084 		"000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
1085 		"02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
1086 		"0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19",
1087 		"037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
1088 		1,
1089 		"03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
1090 		"2",
1091 		571,
1092 		C2_B571
1093 		);
1094 
1095 	/* more tests using the last curve */
1096 
1097 	if (!EC_POINT_copy(Q, P)) ABORT;
1098 	if (EC_POINT_is_at_infinity(group, Q)) ABORT;
1099 	if (!EC_POINT_dbl(group, P, P, ctx)) ABORT;
1100 	if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT;
1101 	if (!EC_POINT_invert(group, Q, ctx)) ABORT; /* P = -2Q */
1102 
1103 	if (!EC_POINT_add(group, R, P, Q, ctx)) ABORT;
1104 	if (!EC_POINT_add(group, R, R, Q, ctx)) ABORT;
1105 	if (!EC_POINT_is_at_infinity(group, R)) ABORT; /* R = P + 2Q */
1106 
1107 	{
1108 		const EC_POINT *points[3];
1109 		const BIGNUM *scalars[3];
1110 
1111 		if (EC_POINT_is_at_infinity(group, Q)) ABORT;
1112 		points[0] = Q;
1113 		points[1] = Q;
1114 		points[2] = Q;
1115 
1116 		if (!BN_add(y, z, BN_value_one())) ABORT;
1117 		if (BN_is_odd(y)) ABORT;
1118 		if (!BN_rshift1(y, y)) ABORT;
1119 		scalars[0] = y; /* (group order + 1)/2,  so  y*Q + y*Q = Q */
1120 		scalars[1] = y;
1121 
1122 		fprintf(stdout, "combined multiplication ...");
1123 		fflush(stdout);
1124 
1125 		/* z is still the group order */
1126 		if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT;
1127 		if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) ABORT;
1128 		if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT;
1129 		if (0 != EC_POINT_cmp(group, R, Q, ctx)) ABORT;
1130 
1131 		fprintf(stdout, ".");
1132 		fflush(stdout);
1133 
1134 		if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) ABORT;
1135 		if (!BN_add(z, z, y)) ABORT;
1136 		BN_set_negative(z, 1);
1137 		scalars[0] = y;
1138 		scalars[1] = z; /* z = -(order + y) */
1139 
1140 		if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT;
1141 		if (!EC_POINT_is_at_infinity(group, P)) ABORT;
1142 
1143 		fprintf(stdout, ".");
1144 		fflush(stdout);
1145 
1146 		if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0)) ABORT;
1147 		if (!BN_add(z, x, y)) ABORT;
1148 		BN_set_negative(z, 1);
1149 		scalars[0] = x;
1150 		scalars[1] = y;
1151 		scalars[2] = z; /* z = -(x+y) */
1152 
1153 		if (!EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx)) ABORT;
1154 		if (!EC_POINT_is_at_infinity(group, P)) ABORT;
1155 
1156 		fprintf(stdout, " ok\n\n");
1157 	}
1158 
1159 
1160 #if 0
1161 	timings(C2_K163, TIMING_BASE_PT, ctx);
1162 	timings(C2_K163, TIMING_RAND_PT, ctx);
1163 	timings(C2_K163, TIMING_SIMUL, ctx);
1164 	timings(C2_B163, TIMING_BASE_PT, ctx);
1165 	timings(C2_B163, TIMING_RAND_PT, ctx);
1166 	timings(C2_B163, TIMING_SIMUL, ctx);
1167 	timings(C2_K233, TIMING_BASE_PT, ctx);
1168 	timings(C2_K233, TIMING_RAND_PT, ctx);
1169 	timings(C2_K233, TIMING_SIMUL, ctx);
1170 	timings(C2_B233, TIMING_BASE_PT, ctx);
1171 	timings(C2_B233, TIMING_RAND_PT, ctx);
1172 	timings(C2_B233, TIMING_SIMUL, ctx);
1173 	timings(C2_K283, TIMING_BASE_PT, ctx);
1174 	timings(C2_K283, TIMING_RAND_PT, ctx);
1175 	timings(C2_K283, TIMING_SIMUL, ctx);
1176 	timings(C2_B283, TIMING_BASE_PT, ctx);
1177 	timings(C2_B283, TIMING_RAND_PT, ctx);
1178 	timings(C2_B283, TIMING_SIMUL, ctx);
1179 	timings(C2_K409, TIMING_BASE_PT, ctx);
1180 	timings(C2_K409, TIMING_RAND_PT, ctx);
1181 	timings(C2_K409, TIMING_SIMUL, ctx);
1182 	timings(C2_B409, TIMING_BASE_PT, ctx);
1183 	timings(C2_B409, TIMING_RAND_PT, ctx);
1184 	timings(C2_B409, TIMING_SIMUL, ctx);
1185 	timings(C2_K571, TIMING_BASE_PT, ctx);
1186 	timings(C2_K571, TIMING_RAND_PT, ctx);
1187 	timings(C2_K571, TIMING_SIMUL, ctx);
1188 	timings(C2_B571, TIMING_BASE_PT, ctx);
1189 	timings(C2_B571, TIMING_RAND_PT, ctx);
1190 	timings(C2_B571, TIMING_SIMUL, ctx);
1191 #endif
1192 
1193 
1194 	if (ctx)
1195 		BN_CTX_free(ctx);
1196 	BN_free(p); BN_free(a);	BN_free(b);
1197 	EC_GROUP_free(group);
1198 	EC_POINT_free(P);
1199 	EC_POINT_free(Q);
1200 	EC_POINT_free(R);
1201 	BN_free(x); BN_free(y); BN_free(z); BN_free(cof);
1202 
1203 	if (C2_K163) EC_GROUP_free(C2_K163);
1204 	if (C2_B163) EC_GROUP_free(C2_B163);
1205 	if (C2_K233) EC_GROUP_free(C2_K233);
1206 	if (C2_B233) EC_GROUP_free(C2_B233);
1207 	if (C2_K283) EC_GROUP_free(C2_K283);
1208 	if (C2_B283) EC_GROUP_free(C2_B283);
1209 	if (C2_K409) EC_GROUP_free(C2_K409);
1210 	if (C2_B409) EC_GROUP_free(C2_B409);
1211 	if (C2_K571) EC_GROUP_free(C2_K571);
1212 	if (C2_B571) EC_GROUP_free(C2_B571);
1213 
1214 	}
1215 #endif
1216 
1217 static void internal_curve_test(void)
1218 	{
1219 	EC_builtin_curve *curves = NULL;
1220 	size_t crv_len = 0, n = 0;
1221 	int    ok = 1;
1222 
1223 	crv_len = EC_get_builtin_curves(NULL, 0);
1224 
1225 	curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
1226 
1227 	if (curves == NULL)
1228 		return;
1229 
1230 	if (!EC_get_builtin_curves(curves, crv_len))
1231 		{
1232 		OPENSSL_free(curves);
1233 		return;
1234 		}
1235 
1236 	fprintf(stdout, "testing internal curves: ");
1237 
1238 	for (n = 0; n < crv_len; n++)
1239 		{
1240 		EC_GROUP *group = NULL;
1241 		int nid = curves[n].nid;
1242 		if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL)
1243 			{
1244 			ok = 0;
1245 			fprintf(stdout, "\nEC_GROUP_new_curve_name() failed with"
1246 				" curve %s\n", OBJ_nid2sn(nid));
1247 			/* try next curve */
1248 			continue;
1249 			}
1250 		if (!EC_GROUP_check(group, NULL))
1251 			{
1252 			ok = 0;
1253 			fprintf(stdout, "\nEC_GROUP_check() failed with"
1254 				" curve %s\n", OBJ_nid2sn(nid));
1255 			EC_GROUP_free(group);
1256 			/* try the next curve */
1257 			continue;
1258 			}
1259 		fprintf(stdout, ".");
1260 		fflush(stdout);
1261 		EC_GROUP_free(group);
1262 		}
1263 	if (ok)
1264 		fprintf(stdout, " ok\n\n");
1265 	else
1266 		{
1267 		fprintf(stdout, " failed\n\n");
1268 		ABORT;
1269 		}
1270 	OPENSSL_free(curves);
1271 	return;
1272 	}
1273 
1274 #ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
1275 /* nistp_test_params contains magic numbers for testing our optimized
1276  * implementations of several NIST curves with characteristic > 3. */
1277 struct nistp_test_params
1278 	{
1279 	const EC_METHOD* (*meth) ();
1280 	int degree;
1281 	/* Qx, Qy and D are taken from
1282 	 * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/ECDSA_Prime.pdf
1283 	 * Otherwise, values are standard curve parameters from FIPS 180-3 */
1284 	const char *p, *a, *b, *Qx, *Qy, *Gx, *Gy, *order, *d;
1285 	};
1286 
1287 static const struct nistp_test_params nistp_tests_params[] =
1288 	{
1289 		{
1290 		/* P-224 */
1291 		EC_GFp_nistp224_method,
1292 		224,
1293 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", /* p */
1294 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", /* a */
1295 		"B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", /* b */
1296 		"E84FB0B8E7000CB657D7973CF6B42ED78B301674276DF744AF130B3E", /* Qx */
1297 		"4376675C6FC5612C21A0FF2D2A89D2987DF7A2BC52183B5982298555", /* Qy */
1298 		"B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21", /* Gx */
1299 		"BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", /* Gy */
1300 		"FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", /* order */
1301 		"3F0C488E987C80BE0FEE521F8D90BE6034EC69AE11CA72AA777481E8", /* d */
1302 		},
1303 		{
1304 		/* P-256 */
1305 		EC_GFp_nistp256_method,
1306 		256,
1307 		"ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", /* p */
1308 		"ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", /* a */
1309 		"5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", /* b */
1310 		"b7e08afdfe94bad3f1dc8c734798ba1c62b3a0ad1e9ea2a38201cd0889bc7a19", /* Qx */
1311 		"3603f747959dbf7a4bb226e41928729063adc7ae43529e61b563bbc606cc5e09", /* Qy */
1312 		"6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", /* Gx */
1313 		"4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", /* Gy */
1314 		"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", /* order */
1315 		"c477f9f65c22cce20657faa5b2d1d8122336f851a508a1ed04e479c34985bf96", /* d */
1316 		},
1317 		{
1318 		/* P-521 */
1319 		EC_GFp_nistp521_method,
1320 		521,
1321 		"1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", /* p */
1322 		"1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", /* a */
1323 		"051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", /* b */
1324 		"0098e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4", /* Qx */
1325 		"0164350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e", /* Qy */
1326 		"c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", /* Gx */
1327 		"11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", /* Gy */
1328 		"1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", /* order */
1329 		"0100085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eeedf09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722", /* d */
1330 		},
1331 	};
1332 
1333 void nistp_single_test(const struct nistp_test_params *test)
1334 	{
1335 	BN_CTX *ctx;
1336 	BIGNUM *p, *a, *b, *x, *y, *n, *m, *order;
1337 	EC_GROUP *NISTP;
1338 	EC_POINT *G, *P, *Q, *Q_CHECK;
1339 
1340 	fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n", test->degree);
1341 	ctx = BN_CTX_new();
1342 	p = BN_new();
1343 	a = BN_new();
1344 	b = BN_new();
1345 	x = BN_new(); y = BN_new();
1346 	m = BN_new(); n = BN_new(); order = BN_new();
1347 
1348 	NISTP = EC_GROUP_new(test->meth());
1349 	if(!NISTP) ABORT;
1350 	if (!BN_hex2bn(&p, test->p)) ABORT;
1351 	if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL)) ABORT;
1352 	if (!BN_hex2bn(&a, test->a)) ABORT;
1353 	if (!BN_hex2bn(&b, test->b)) ABORT;
1354 	if (!EC_GROUP_set_curve_GFp(NISTP, p, a, b, ctx)) ABORT;
1355 	G = EC_POINT_new(NISTP);
1356 	P = EC_POINT_new(NISTP);
1357 	Q = EC_POINT_new(NISTP);
1358 	Q_CHECK = EC_POINT_new(NISTP);
1359 	if(!BN_hex2bn(&x, test->Qx)) ABORT;
1360 	if(!BN_hex2bn(&y, test->Qy)) ABORT;
1361 	if(!EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, y, ctx)) ABORT;
1362 	if (!BN_hex2bn(&x, test->Gx)) ABORT;
1363 	if (!BN_hex2bn(&y, test->Gy)) ABORT;
1364 	if (!EC_POINT_set_affine_coordinates_GFp(NISTP, G, x, y, ctx)) ABORT;
1365 	if (!BN_hex2bn(&order, test->order)) ABORT;
1366 	if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) ABORT;
1367 
1368 	fprintf(stdout, "verify degree ... ");
1369 	if (EC_GROUP_get_degree(NISTP) != test->degree) ABORT;
1370 	fprintf(stdout, "ok\n");
1371 
1372 	fprintf(stdout, "NIST test vectors ... ");
1373 	if (!BN_hex2bn(&n, test->d)) ABORT;
1374 	/* fixed point multiplication */
1375 	EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
1376 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1377 	/* random point multiplication */
1378 	EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
1379 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1380 
1381 	/* set generator to P = 2*G, where G is the standard generator */
1382 	if (!EC_POINT_dbl(NISTP, P, G, ctx)) ABORT;
1383 	if (!EC_GROUP_set_generator(NISTP, P, order, BN_value_one())) ABORT;
1384 	/* set the scalar to m=n/2, where n is the NIST test scalar */
1385 	if (!BN_rshift(m, n, 1)) ABORT;
1386 
1387 	/* test the non-standard generator */
1388 	/* fixed point multiplication */
1389 	EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
1390 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1391 	/* random point multiplication */
1392 	EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
1393 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1394 
1395 	/* now repeat all tests with precomputation */
1396 	if (!EC_GROUP_precompute_mult(NISTP, ctx)) ABORT;
1397 
1398 	/* fixed point multiplication */
1399 	EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
1400 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1401 	/* random point multiplication */
1402 	EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
1403 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1404 
1405 	/* reset generator */
1406 	if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) ABORT;
1407 	/* fixed point multiplication */
1408 	EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
1409 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1410 	/* random point multiplication */
1411 	EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
1412 	if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) ABORT;
1413 
1414 	fprintf(stdout, "ok\n");
1415 	group_order_tests(NISTP);
1416 #if 0
1417 	timings(NISTP, TIMING_BASE_PT, ctx);
1418 	timings(NISTP, TIMING_RAND_PT, ctx);
1419 #endif
1420 	EC_GROUP_free(NISTP);
1421 	EC_POINT_free(G);
1422 	EC_POINT_free(P);
1423 	EC_POINT_free(Q);
1424 	EC_POINT_free(Q_CHECK);
1425 	BN_free(n);
1426 	BN_free(m);
1427 	BN_free(p);
1428 	BN_free(a);
1429 	BN_free(b);
1430 	BN_free(x);
1431 	BN_free(y);
1432 	BN_free(order);
1433 	BN_CTX_free(ctx);
1434 	}
1435 
1436 void nistp_tests()
1437 	{
1438 	unsigned i;
1439 
1440 	for (i = 0; i < sizeof(nistp_tests_params) / sizeof(struct nistp_test_params); i++)
1441 		{
1442 		nistp_single_test(&nistp_tests_params[i]);
1443 		}
1444 	}
1445 #endif
1446 
1447 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
1448 
1449 int main(int argc, char *argv[])
1450 	{
1451 
1452 	/* enable memory leak checking unless explicitly disabled */
1453 	if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
1454 		{
1455 		CRYPTO_malloc_debug_init();
1456 		CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
1457 		}
1458 	else
1459 		{
1460 		/* OPENSSL_DEBUG_MEMORY=off */
1461 		CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
1462 		}
1463 	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
1464 	ERR_load_crypto_strings();
1465 
1466 	RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */
1467 
1468 	prime_field_tests();
1469 	puts("");
1470 #ifndef OPENSSL_NO_EC2M
1471 	char2_field_tests();
1472 #endif
1473 #ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
1474 	nistp_tests();
1475 #endif
1476 	/* test the internal curves */
1477 	internal_curve_test();
1478 
1479 #ifndef OPENSSL_NO_ENGINE
1480 	ENGINE_cleanup();
1481 #endif
1482 	CRYPTO_cleanup_all_ex_data();
1483 	ERR_free_strings();
1484 	ERR_remove_thread_state(NULL);
1485 	CRYPTO_mem_leaks_fp(stderr);
1486 
1487 	return 0;
1488 	}
1489 #endif
1490