1 /* crypto/ecdh/ecdhtest.c */ 2 /* ==================================================================== 3 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 4 * 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. 8 * 9 * The ECC Code is licensed pursuant to the OpenSSL open source 10 * license provided below. 11 * 12 * The ECDH software is originally written by Douglas Stebila of 13 * Sun Microsystems Laboratories. 14 * 15 */ 16 /* ==================================================================== 17 * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 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 29 * distribution. 30 * 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/)" 35 * 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 (at) openssl.org. 40 * 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. 44 * 45 * 6. Redistributions of any form whatsoever must retain the following 46 * acknowledgment: 47 * "This product includes software developed by the OpenSSL Project 48 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 49 * 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 * ==================================================================== 63 * 64 * This product includes cryptographic software written by Eric Young 65 * (eay (at) cryptsoft.com). This product includes software written by Tim 66 * Hudson (tjh (at) cryptsoft.com). 67 * 68 */ 69 70 #include <stdio.h> 71 #include <stdlib.h> 72 #include <string.h> 73 74 #include "../e_os.h" 75 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> 84 85 #ifdef OPENSSL_NO_ECDH 86 int main(int argc, char *argv[]) 87 { 88 printf("No ECDH support\n"); 89 return(0); 90 } 91 #else 92 #include <openssl/ec.h> 93 #include <openssl/ecdh.h> 94 95 #ifdef OPENSSL_SYS_WIN16 96 #define MS_CALLBACK _far _loadds 97 #else 98 #define MS_CALLBACK 99 #endif 100 101 #if 0 102 static void MS_CALLBACK cb(int p, int n, void *arg); 103 #endif 104 105 static const char rnd_seed[] = "string to make the random number generator think it has entropy"; 106 107 108 static const int KDF1_SHA1_len = 20; 109 static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) 110 { 111 #ifndef OPENSSL_NO_SHA 112 if (*outlen < SHA_DIGEST_LENGTH) 113 return NULL; 114 else 115 *outlen = SHA_DIGEST_LENGTH; 116 return SHA1(in, inlen, out); 117 #else 118 return NULL; 119 #endif 120 } 121 122 123 static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) 124 { 125 EC_KEY *a=NULL; 126 EC_KEY *b=NULL; 127 BIGNUM *x_a=NULL, *y_a=NULL, 128 *x_b=NULL, *y_b=NULL; 129 char buf[12]; 130 unsigned char *abuf=NULL,*bbuf=NULL; 131 int i,alen,blen,aout,bout,ret=0; 132 const EC_GROUP *group; 133 134 a = EC_KEY_new_by_curve_name(nid); 135 b = EC_KEY_new_by_curve_name(nid); 136 if (a == NULL || b == NULL) 137 goto err; 138 139 group = EC_KEY_get0_group(a); 140 141 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; 145 146 BIO_puts(out,"Testing key generation with "); 147 BIO_puts(out,text); 148 #ifdef NOISY 149 BIO_puts(out,"\n"); 150 #else 151 (void)BIO_flush(out); 152 #endif 153 154 if (!EC_KEY_generate_key(a)) goto err; 155 156 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 157 { 158 if (!EC_POINT_get_affine_coordinates_GFp(group, 159 EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 160 } 161 #ifndef OPENSSL_NO_EC2M 162 else 163 { 164 if (!EC_POINT_get_affine_coordinates_GF2m(group, 165 EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 166 } 167 #endif 168 #ifdef NOISY 169 BIO_puts(out," pri 1="); 170 BN_print(out,a->priv_key); 171 BIO_puts(out,"\n pub 1="); 172 BN_print(out,x_a); 173 BIO_puts(out,","); 174 BN_print(out,y_a); 175 BIO_puts(out,"\n"); 176 #else 177 BIO_printf(out," ."); 178 (void)BIO_flush(out); 179 #endif 180 181 if (!EC_KEY_generate_key(b)) goto err; 182 183 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 184 { 185 if (!EC_POINT_get_affine_coordinates_GFp(group, 186 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 187 } 188 #ifndef OPENSSL_NO_EC2M 189 else 190 { 191 if (!EC_POINT_get_affine_coordinates_GF2m(group, 192 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 193 } 194 #endif 195 196 #ifdef NOISY 197 BIO_puts(out," pri 2="); 198 BN_print(out,b->priv_key); 199 BIO_puts(out,"\n pub 2="); 200 BN_print(out,x_b); 201 BIO_puts(out,","); 202 BN_print(out,y_b); 203 BIO_puts(out,"\n"); 204 #else 205 BIO_printf(out,"."); 206 (void)BIO_flush(out); 207 #endif 208 209 alen=KDF1_SHA1_len; 210 abuf=(unsigned char *)OPENSSL_malloc(alen); 211 aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); 212 213 #ifdef NOISY 214 BIO_puts(out," key1 ="); 215 for (i=0; i<aout; i++) 216 { 217 sprintf(buf,"%02X",abuf[i]); 218 BIO_puts(out,buf); 219 } 220 BIO_puts(out,"\n"); 221 #else 222 BIO_printf(out,"."); 223 (void)BIO_flush(out); 224 #endif 225 226 blen=KDF1_SHA1_len; 227 bbuf=(unsigned char *)OPENSSL_malloc(blen); 228 bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); 229 230 #ifdef NOISY 231 BIO_puts(out," key2 ="); 232 for (i=0; i<bout; i++) 233 { 234 sprintf(buf,"%02X",bbuf[i]); 235 BIO_puts(out,buf); 236 } 237 BIO_puts(out,"\n"); 238 #else 239 BIO_printf(out,"."); 240 (void)BIO_flush(out); 241 #endif 242 243 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) 244 { 245 #ifndef NOISY 246 BIO_printf(out, " failed\n\n"); 247 BIO_printf(out, "key a:\n"); 248 BIO_printf(out, "private key: "); 249 BN_print(out, EC_KEY_get0_private_key(a)); 250 BIO_printf(out, "\n"); 251 BIO_printf(out, "public key (x,y): "); 252 BN_print(out, x_a); 253 BIO_printf(out, ","); 254 BN_print(out, y_a); 255 BIO_printf(out, "\nkey b:\n"); 256 BIO_printf(out, "private key: "); 257 BN_print(out, EC_KEY_get0_private_key(b)); 258 BIO_printf(out, "\n"); 259 BIO_printf(out, "public key (x,y): "); 260 BN_print(out, x_b); 261 BIO_printf(out, ","); 262 BN_print(out, y_b); 263 BIO_printf(out, "\n"); 264 BIO_printf(out, "generated key a: "); 265 for (i=0; i<bout; i++) 266 { 267 sprintf(buf, "%02X", bbuf[i]); 268 BIO_puts(out, buf); 269 } 270 BIO_printf(out, "\n"); 271 BIO_printf(out, "generated key b: "); 272 for (i=0; i<aout; i++) 273 { 274 sprintf(buf, "%02X", abuf[i]); 275 BIO_puts(out,buf); 276 } 277 BIO_printf(out, "\n"); 278 #endif 279 fprintf(stderr,"Error in ECDH routines\n"); 280 ret=0; 281 } 282 else 283 { 284 #ifndef NOISY 285 BIO_printf(out, " ok\n"); 286 #endif 287 ret=1; 288 } 289 err: 290 ERR_print_errors_fp(stderr); 291 292 if (abuf != NULL) OPENSSL_free(abuf); 293 if (bbuf != NULL) OPENSSL_free(bbuf); 294 if (x_a) BN_free(x_a); 295 if (y_a) BN_free(y_a); 296 if (x_b) BN_free(x_b); 297 if (y_b) BN_free(y_b); 298 if (b) EC_KEY_free(b); 299 if (a) EC_KEY_free(a); 300 return(ret); 301 } 302 303 int main(int argc, char *argv[]) 304 { 305 BN_CTX *ctx=NULL; 306 int ret=1; 307 BIO *out; 308 309 CRYPTO_malloc_debug_init(); 310 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); 311 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 312 313 #ifdef OPENSSL_SYS_WIN32 314 CRYPTO_malloc_init(); 315 #endif 316 317 RAND_seed(rnd_seed, sizeof rnd_seed); 318 319 out=BIO_new(BIO_s_file()); 320 if (out == NULL) EXIT(1); 321 BIO_set_fp(out,stdout,BIO_NOCLOSE); 322 323 if ((ctx=BN_CTX_new()) == NULL) goto err; 324 325 /* NIST PRIME CURVES TESTS */ 326 if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err; 327 if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err; 328 if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err; 329 if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err; 330 if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err; 331 #ifndef OPENSSL_NO_EC2M 332 /* NIST BINARY CURVES TESTS */ 333 if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err; 334 if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err; 335 if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err; 336 if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err; 337 if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err; 338 if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err; 339 if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err; 340 if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err; 341 if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err; 342 if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err; 343 #endif 344 345 ret = 0; 346 347 err: 348 ERR_print_errors_fp(stderr); 349 if (ctx) BN_CTX_free(ctx); 350 BIO_free(out); 351 CRYPTO_cleanup_all_ex_data(); 352 ERR_remove_thread_state(NULL); 353 CRYPTO_mem_leaks_fp(stderr); 354 EXIT(ret); 355 return(ret); 356 } 357 358 #if 0 359 static void MS_CALLBACK cb(int p, int n, void *arg) 360 { 361 char c='*'; 362 363 if (p == 0) c='.'; 364 if (p == 1) c='+'; 365 if (p == 2) c='*'; 366 if (p == 3) c='\n'; 367 BIO_write((BIO *)arg,&c,1); 368 (void)BIO_flush((BIO *)arg); 369 #ifdef LINT 370 p=n; 371 #endif 372 } 373 #endif 374 #endif 375
