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[] = "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, size_t *outlen)
111 #ifndef OPENSSL_NO_SHA
112 if (*outlen < SHA_DIGEST_LENGTH)
115 *outlen = SHA_DIGEST_LENGTH;
116 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,
128 *x_b=NULL, *y_b=NULL;
130 unsigned char *abuf=NULL,*bbuf=NULL;
131 int i,alen,blen,aout,bout,ret=0;
132 const EC_GROUP *group;
134 a = EC_KEY_new_by_curve_name(nid);
135 b = EC_KEY_new_by_curve_name(nid);
136 if (a == NULL || b == NULL)
139 group = EC_KEY_get0_group(a);
141 if ((x_a=BN_new()) == NULL) goto err;
142 if ((y_a=BN_new()) == NULL) goto err;
143 if ((x_b=BN_new()) == NULL) goto err;
144 if ((y_b=BN_new()) == NULL) goto err;
146 BIO_puts(out,"Testing key generation with ");
151 (void)BIO_flush(out);
154 if (!EC_KEY_generate_key(a)) goto err;
156 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
158 if (!EC_POINT_get_affine_coordinates_GFp(group,
159 EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err;
163 if (!EC_POINT_get_affine_coordinates_GF2m(group,
164 EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err;
167 BIO_puts(out," pri 1=");
168 BN_print(out,a->priv_key);
169 BIO_puts(out,"\n pub 1=");
175 BIO_printf(out," .");
176 (void)BIO_flush(out);
179 if (!EC_KEY_generate_key(b)) goto err;
181 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
183 if (!EC_POINT_get_affine_coordinates_GFp(group,
184 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err;
188 if (!EC_POINT_get_affine_coordinates_GF2m(group,
189 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err;
193 BIO_puts(out," pri 2=");
194 BN_print(out,b->priv_key);
195 BIO_puts(out,"\n pub 2=");
202 (void)BIO_flush(out);
206 abuf=(unsigned char *)OPENSSL_malloc(alen);
207 aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1);
210 BIO_puts(out," key1 =");
211 for (i=0; i<aout; i++)
213 sprintf(buf,"%02X",abuf[i]);
219 (void)BIO_flush(out);
223 bbuf=(unsigned char *)OPENSSL_malloc(blen);
224 bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1);
227 BIO_puts(out," key2 =");
228 for (i=0; i<bout; i++)
230 sprintf(buf,"%02X",bbuf[i]);
236 (void)BIO_flush(out);
239 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
242 BIO_printf(out, " failed\n\n");
243 BIO_printf(out, "key a:\n");
244 BIO_printf(out, "private key: ");
245 BN_print(out, EC_KEY_get0_private_key(a));
246 BIO_printf(out, "\n");
247 BIO_printf(out, "public key (x,y): ");
249 BIO_printf(out, ",");
251 BIO_printf(out, "\nkey b:\n");
252 BIO_printf(out, "private key: ");
253 BN_print(out, EC_KEY_get0_private_key(b));
254 BIO_printf(out, "\n");
255 BIO_printf(out, "public key (x,y): ");
257 BIO_printf(out, ",");
259 BIO_printf(out, "\n");
260 BIO_printf(out, "generated key a: ");
261 for (i=0; i<bout; i++)
263 sprintf(buf, "%02X", bbuf[i]);
266 BIO_printf(out, "\n");
267 BIO_printf(out, "generated key b: ");
268 for (i=0; i<aout; i++)
270 sprintf(buf, "%02X", abuf[i]);
273 BIO_printf(out, "\n");
275 fprintf(stderr,"Error in ECDH routines\n");
281 BIO_printf(out, " ok\n");
286 ERR_print_errors_fp(stderr);
288 if (abuf != NULL) OPENSSL_free(abuf);
289 if (bbuf != NULL) OPENSSL_free(bbuf);
290 if (x_a) BN_free(x_a);
291 if (y_a) BN_free(y_a);
292 if (x_b) BN_free(x_b);
293 if (y_b) BN_free(y_b);
294 if (b) EC_KEY_free(b);
295 if (a) EC_KEY_free(a);
299 int main(int argc, char *argv[])
305 CRYPTO_malloc_debug_init();
306 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
307 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
309 #ifdef OPENSSL_SYS_WIN32
310 CRYPTO_malloc_init();
313 RAND_seed(rnd_seed, sizeof rnd_seed);
315 out=BIO_new(BIO_s_file());
316 if (out == NULL) EXIT(1);
317 BIO_set_fp(out,stdout,BIO_NOCLOSE);
319 if ((ctx=BN_CTX_new()) == NULL) goto err;
321 /* NIST PRIME CURVES TESTS */
322 if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err;
323 if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err;
324 if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err;
325 if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err;
326 if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err;
327 /* NIST BINARY CURVES TESTS */
328 if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err;
329 if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err;
330 if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err;
331 if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err;
332 if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err;
333 if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err;
334 if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err;
335 if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err;
336 if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err;
337 if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err;
342 ERR_print_errors_fp(stderr);
343 if (ctx) BN_CTX_free(ctx);
345 CRYPTO_cleanup_all_ex_data();
347 CRYPTO_mem_leaks_fp(stderr);
353 static void MS_CALLBACK cb(int p, int n, void *arg)
361 BIO_write((BIO *)arg,&c,1);
362 (void)BIO_flush((BIO *)arg);