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) 1998-2002 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/crypto.h>
77 #include <openssl/bio.h>
78 #include <openssl/bn.h>
79 #include <openssl/ec.h>
80 #include <openssl/objects.h>
81 #include <openssl/rand.h>
82 #include <openssl/err.h>
84 #ifdef OPENSSL_NO_ECDH
85 int main(int argc, char *argv[])
87 printf("No ECDH support\n");
91 #include <openssl/ecdh.h>
93 #ifdef OPENSSL_SYS_WIN16
94 #define MS_CALLBACK _far _loadds
100 static void MS_CALLBACK cb(int p, int n, void *arg);
103 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
105 int test_ecdh_curve(int , char *, BN_CTX *, BIO *);
107 int test_ecdh_curve(int nid, char *text, BN_CTX *ctx, BIO *out)
111 BIGNUM *x_a=NULL, *y_a=NULL,
112 *x_b=NULL, *y_b=NULL;
114 unsigned char *abuf=NULL,*bbuf=NULL;
115 int i,alen,blen,aout,bout,ret=0;
117 if ((a=EC_KEY_new()) == NULL) goto err;
118 if ((a->group=EC_GROUP_new_by_nid(nid)) == NULL) goto err;
120 if ((b=EC_KEY_new()) == NULL) goto err;
123 if ((x_a=BN_new()) == NULL) goto err;
124 if ((y_a=BN_new()) == NULL) goto err;
125 if ((x_b=BN_new()) == NULL) goto err;
126 if ((y_b=BN_new()) == NULL) goto err;
128 BIO_puts(out,"Testing key generation with ");
136 if (!EC_KEY_generate_key(a)) goto err;
138 if (EC_METHOD_get_field_type(EC_GROUP_method_of(a->group)) == NID_X9_62_prime_field)
140 if (!EC_POINT_get_affine_coordinates_GFp(a->group, a->pub_key, x_a, y_a, ctx)) goto err;
144 if (!EC_POINT_get_affine_coordinates_GF2m(a->group, a->pub_key, x_a, y_a, ctx)) goto err;
147 BIO_puts(out," pri 1=");
148 BN_print(out,a->priv_key);
149 BIO_puts(out,"\n pub 1=");
155 BIO_printf(out," .");
159 if (!EC_KEY_generate_key(b)) goto err;
161 if (EC_METHOD_get_field_type(EC_GROUP_method_of(b->group)) == NID_X9_62_prime_field)
163 if (!EC_POINT_get_affine_coordinates_GFp(b->group, b->pub_key, x_b, y_b, ctx)) goto err;
167 if (!EC_POINT_get_affine_coordinates_GF2m(a->group, b->pub_key, x_b, y_b, ctx)) goto err;
171 BIO_puts(out," pri 2=");
172 BN_print(out,b->priv_key);
173 BIO_puts(out,"\n pub 2=");
184 abuf=(unsigned char *)OPENSSL_malloc(alen);
185 aout=ECDH_compute_key(abuf,b->pub_key,a);
188 BIO_puts(out," key1 =");
189 for (i=0; i<aout; i++)
191 sprintf(buf,"%02X",abuf[i]);
201 bbuf=(unsigned char *)OPENSSL_malloc(blen);
202 bout=ECDH_compute_key(bbuf,a->pub_key,b);
205 BIO_puts(out," key2 =");
206 for (i=0; i<bout; i++)
208 sprintf(buf,"%02X",bbuf[i]);
217 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
220 BIO_printf(out, " failed\n\n");
221 BIO_printf(out, "key a:\n");
222 BIO_printf(out, "private key: ");
223 BN_print(out, a->priv_key);
224 BIO_printf(out, "\n");
225 BIO_printf(out, "public key (x,y): ");
227 BIO_printf(out, ",");
229 BIO_printf(out, "\nkey b:\n");
230 BIO_printf(out, "private key: ");
231 BN_print(out, b->priv_key);
232 BIO_printf(out, "\n");
233 BIO_printf(out, "public key (x,y): ");
235 BIO_printf(out, ",");
237 BIO_printf(out, "\n");
238 BIO_printf(out, "generated key a: ");
239 for (i=0; i<bout; i++)
241 sprintf(buf, "%02X", bbuf[i]);
244 BIO_printf(out, "\n");
245 BIO_printf(out, "generated key b: ");
246 for (i=0; i<aout; i++)
248 sprintf(buf, "%02X", abuf[i]);
251 BIO_printf(out, "\n");
253 fprintf(stderr,"Error in ECDH routines\n");
259 BIO_printf(out, " ok\n");
264 ERR_print_errors_fp(stderr);
266 if (abuf != NULL) OPENSSL_free(abuf);
267 if (bbuf != NULL) OPENSSL_free(bbuf);
268 if (x_a) BN_free(x_a);
269 if (y_a) BN_free(y_a);
270 if (x_b) BN_free(x_b);
271 if (y_b) BN_free(y_b);
272 if (a->group) EC_GROUP_free(a->group);
273 a->group = b->group = NULL;
274 if (b) EC_KEY_free(b);
275 if (a) EC_KEY_free(a);
279 int main(int argc, char *argv[])
285 CRYPTO_malloc_debug_init();
286 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
287 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
289 #ifdef OPENSSL_SYS_WIN32
290 CRYPTO_malloc_init();
293 RAND_seed(rnd_seed, sizeof rnd_seed);
295 out=BIO_new(BIO_s_file());
296 if (out == NULL) EXIT(1);
297 BIO_set_fp(out,stdout,BIO_NOCLOSE);
299 if ((ctx=BN_CTX_new()) == NULL) goto err;
301 /* NIST PRIME CURVES TESTS */
302 if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err;
303 if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err;
304 if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err;
305 if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err;
306 if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err;
307 /* NIST BINARY CURVES TESTS */
308 if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err;
309 if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err;
310 if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err;
311 if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err;
312 if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err;
313 if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err;
314 if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err;
315 if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err;
316 if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err;
317 if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err;
322 ERR_print_errors_fp(stderr);
323 if (ctx) BN_CTX_free(ctx);
325 CRYPTO_cleanup_all_ex_data();
327 CRYPTO_mem_leaks_fp(stderr);
333 static void MS_CALLBACK cb(int p, int n, void *arg)
341 BIO_write((BIO *)arg,&c,1);
342 (void)BIO_flush((BIO *)arg);