1 /* crypto/ecdh/ecdhtest.c */
2 /* ====================================================================
3 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
5 * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
6 * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
7 * to the OpenSSL project.
9 * The ECC Code is licensed pursuant to the OpenSSL open source
10 * license provided below.
12 * The ECDH software is originally written by Douglas Stebila of
13 * Sun Microsystems Laboratories.
16 /* ====================================================================
17 * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in
28 * the documentation and/or other materials provided with the
31 * 3. All advertising materials mentioning features or use of this
32 * software must display the following acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
36 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
37 * endorse or promote products derived from this software without
38 * prior written permission. For written permission, please contact
39 * openssl-core@openssl.org.
41 * 5. Products derived from this software may not be called "OpenSSL"
42 * nor may "OpenSSL" appear in their names without prior written
43 * permission of the OpenSSL Project.
45 * 6. Redistributions of any form whatsoever must retain the following
47 * "This product includes software developed by the OpenSSL Project
48 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
50 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
51 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
54 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
59 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
61 * OF THE POSSIBILITY OF SUCH DAMAGE.
62 * ====================================================================
64 * This product includes cryptographic software written by Eric Young
65 * (eay@cryptsoft.com). This product includes software written by Tim
66 * Hudson (tjh@cryptsoft.com).
76 #include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */
77 #include <openssl/crypto.h>
78 #include <openssl/bio.h>
79 #include <openssl/bn.h>
80 #include <openssl/objects.h>
81 #include <openssl/rand.h>
82 #include <openssl/sha.h>
83 #include <openssl/err.h>
85 #ifdef OPENSSL_NO_ECDH
86 int main(int argc, char *argv[])
88 printf("No ECDH support\n");
92 # include <openssl/ec.h>
93 # include <openssl/ecdh.h>
95 # ifdef OPENSSL_SYS_WIN16
96 # define MS_CALLBACK _far _loadds
102 static void MS_CALLBACK cb(int p, int n, void *arg);
105 static const char rnd_seed[] =
106 "string to make the random number generator think it has entropy";
108 static const int KDF1_SHA1_len = 20;
109 static void *KDF1_SHA1(const void *in, size_t inlen, void *out,
112 # ifndef OPENSSL_NO_SHA
113 if (*outlen < SHA_DIGEST_LENGTH)
116 *outlen = SHA_DIGEST_LENGTH;
117 return SHA1(in, inlen, out);
123 static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
127 BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL;
129 unsigned char *abuf = NULL, *bbuf = NULL;
130 int i, alen, blen, aout, bout, ret = 0;
131 const EC_GROUP *group;
133 a = EC_KEY_new_by_curve_name(nid);
134 b = EC_KEY_new_by_curve_name(nid);
135 if (a == NULL || b == NULL)
138 group = EC_KEY_get0_group(a);
140 if ((x_a = BN_new()) == NULL)
142 if ((y_a = BN_new()) == NULL)
144 if ((x_b = BN_new()) == NULL)
146 if ((y_b = BN_new()) == NULL)
149 BIO_puts(out, "Testing key generation with ");
154 (void)BIO_flush(out);
157 if (!EC_KEY_generate_key(a))
160 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
161 NID_X9_62_prime_field) {
162 if (!EC_POINT_get_affine_coordinates_GFp
163 (group, EC_KEY_get0_public_key(a), x_a, y_a, ctx))
166 # ifndef OPENSSL_NO_EC2M
168 if (!EC_POINT_get_affine_coordinates_GF2m(group,
169 EC_KEY_get0_public_key(a),
175 BIO_puts(out, " pri 1=");
176 BN_print(out, a->priv_key);
177 BIO_puts(out, "\n pub 1=");
183 BIO_printf(out, " .");
184 (void)BIO_flush(out);
187 if (!EC_KEY_generate_key(b))
190 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
191 NID_X9_62_prime_field) {
192 if (!EC_POINT_get_affine_coordinates_GFp
193 (group, EC_KEY_get0_public_key(b), x_b, y_b, ctx))
196 # ifndef OPENSSL_NO_EC2M
198 if (!EC_POINT_get_affine_coordinates_GF2m(group,
199 EC_KEY_get0_public_key(b),
206 BIO_puts(out, " pri 2=");
207 BN_print(out, b->priv_key);
208 BIO_puts(out, "\n pub 2=");
214 BIO_printf(out, ".");
215 (void)BIO_flush(out);
218 alen = KDF1_SHA1_len;
219 abuf = (unsigned char *)OPENSSL_malloc(alen);
221 ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1);
224 BIO_puts(out, " key1 =");
225 for (i = 0; i < aout; i++) {
226 sprintf(buf, "%02X", abuf[i]);
231 BIO_printf(out, ".");
232 (void)BIO_flush(out);
235 blen = KDF1_SHA1_len;
236 bbuf = (unsigned char *)OPENSSL_malloc(blen);
238 ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1);
241 BIO_puts(out, " key2 =");
242 for (i = 0; i < bout; i++) {
243 sprintf(buf, "%02X", bbuf[i]);
248 BIO_printf(out, ".");
249 (void)BIO_flush(out);
252 if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
254 BIO_printf(out, " failed\n\n");
255 BIO_printf(out, "key a:\n");
256 BIO_printf(out, "private key: ");
257 BN_print(out, EC_KEY_get0_private_key(a));
258 BIO_printf(out, "\n");
259 BIO_printf(out, "public key (x,y): ");
261 BIO_printf(out, ",");
263 BIO_printf(out, "\nkey b:\n");
264 BIO_printf(out, "private key: ");
265 BN_print(out, EC_KEY_get0_private_key(b));
266 BIO_printf(out, "\n");
267 BIO_printf(out, "public key (x,y): ");
269 BIO_printf(out, ",");
271 BIO_printf(out, "\n");
272 BIO_printf(out, "generated key a: ");
273 for (i = 0; i < bout; i++) {
274 sprintf(buf, "%02X", bbuf[i]);
277 BIO_printf(out, "\n");
278 BIO_printf(out, "generated key b: ");
279 for (i = 0; i < aout; i++) {
280 sprintf(buf, "%02X", abuf[i]);
283 BIO_printf(out, "\n");
285 fprintf(stderr, "Error in ECDH routines\n");
289 BIO_printf(out, " ok\n");
294 ERR_print_errors_fp(stderr);
315 int main(int argc, char *argv[])
321 CRYPTO_malloc_debug_init();
322 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
323 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
325 # ifdef OPENSSL_SYS_WIN32
326 CRYPTO_malloc_init();
329 RAND_seed(rnd_seed, sizeof rnd_seed);
331 out = BIO_new(BIO_s_file());
334 BIO_set_fp(out, stdout, BIO_NOCLOSE);
336 if ((ctx = BN_CTX_new()) == NULL)
339 /* NIST PRIME CURVES TESTS */
341 (NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out))
343 if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out))
346 (NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out))
348 if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out))
350 if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out))
352 # ifndef OPENSSL_NO_EC2M
353 /* NIST BINARY CURVES TESTS */
354 if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out))
356 if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out))
358 if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out))
360 if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out))
362 if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out))
364 if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out))
366 if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out))
368 if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out))
370 if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out))
372 if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out))
379 ERR_print_errors_fp(stderr);
383 CRYPTO_cleanup_all_ex_data();
384 ERR_remove_thread_state(NULL);
385 CRYPTO_mem_leaks_fp(stderr);
391 static void MS_CALLBACK cb(int p, int n, void *arg)
403 BIO_write((BIO *)arg, &c, 1);
404 (void)BIO_flush((BIO *)arg);