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 else 162 { 163 if (!EC_POINT_get_affine_coordinates_GF2m(group, 164 EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 165 } 166 #ifdef NOISY 167 BIO_puts(out," pri 1="); 168 BN_print(out,a->priv_key); 169 BIO_puts(out,"\n pub 1="); 170 BN_print(out,x_a); 171 BIO_puts(out,","); 172 BN_print(out,y_a); 173 BIO_puts(out,"\n"); 174 #else 175 BIO_printf(out," ."); 176 (void)BIO_flush(out); 177 #endif 178 179 if (!EC_KEY_generate_key(b)) goto err; 180 181 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 182 { 183 if (!EC_POINT_get_affine_coordinates_GFp(group, 184 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 185 } 186 else 187 { 188 if (!EC_POINT_get_affine_coordinates_GF2m(group, 189 EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 190 } 191 192 #ifdef NOISY 193 BIO_puts(out," pri 2="); 194 BN_print(out,b->priv_key); 195 BIO_puts(out,"\n pub 2="); 196 BN_print(out,x_b); 197 BIO_puts(out,","); 198 BN_print(out,y_b); 199 BIO_puts(out,"\n"); 200 #else 201 BIO_printf(out,"."); 202 (void)BIO_flush(out); 203 #endif 204 205 alen=KDF1_SHA1_len; 206 abuf=(unsigned char *)OPENSSL_malloc(alen); 207 aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); 208 209 #ifdef NOISY 210 BIO_puts(out," key1 ="); 211 for (i=0; i<aout; i++) 212 { 213 sprintf(buf,"%02X",abuf[i]); 214 BIO_puts(out,buf); 215 } 216 BIO_puts(out,"\n"); 217 #else 218 BIO_printf(out,"."); 219 (void)BIO_flush(out); 220 #endif 221 222 blen=KDF1_SHA1_len; 223 bbuf=(unsigned char *)OPENSSL_malloc(blen); 224 bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); 225 226 #ifdef NOISY 227 BIO_puts(out," key2 ="); 228 for (i=0; i<bout; i++) 229 { 230 sprintf(buf,"%02X",bbuf[i]); 231 BIO_puts(out,buf); 232 } 233 BIO_puts(out,"\n"); 234 #else 235 BIO_printf(out,"."); 236 (void)BIO_flush(out); 237 #endif 238 239 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) 240 { 241 #ifndef NOISY 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): "); 248 BN_print(out, x_a); 249 BIO_printf(out, ","); 250 BN_print(out, y_a); 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): "); 256 BN_print(out, x_b); 257 BIO_printf(out, ","); 258 BN_print(out, y_b); 259 BIO_printf(out, "\n"); 260 BIO_printf(out, "generated key a: "); 261 for (i=0; i<bout; i++) 262 { 263 sprintf(buf, "%02X", bbuf[i]); 264 BIO_puts(out, buf); 265 } 266 BIO_printf(out, "\n"); 267 BIO_printf(out, "generated key b: "); 268 for (i=0; i<aout; i++) 269 { 270 sprintf(buf, "%02X", abuf[i]); 271 BIO_puts(out,buf); 272 } 273 BIO_printf(out, "\n"); 274 #endif 275 fprintf(stderr,"Error in ECDH routines\n"); 276 ret=0; 277 } 278 else 279 { 280 #ifndef NOISY 281 BIO_printf(out, " ok\n"); 282 #endif 283 ret=1; 284 } 285 err: 286 ERR_print_errors_fp(stderr); 287 288 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); 296 return(ret); 297 } 298 299 int main(int argc, char *argv[]) 300 { 301 BN_CTX *ctx=NULL; 302 int ret=1; 303 BIO *out; 304 305 CRYPTO_malloc_debug_init(); 306 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); 307 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 308 309 #ifdef OPENSSL_SYS_WIN32 310 CRYPTO_malloc_init(); 311 #endif 312 313 RAND_seed(rnd_seed, sizeof rnd_seed); 314 315 out=BIO_new(BIO_s_file()); 316 if (out == NULL) EXIT(1); 317 BIO_set_fp(out,stdout,BIO_NOCLOSE); 318 319 if ((ctx=BN_CTX_new()) == NULL) goto err; 320 321 /* 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; 338 339 ret = 0; 340 341 err: 342 ERR_print_errors_fp(stderr); 343 if (ctx) BN_CTX_free(ctx); 344 BIO_free(out); 345 CRYPTO_cleanup_all_ex_data(); 346 ERR_remove_thread_state(NULL); 347 CRYPTO_mem_leaks_fp(stderr); 348 EXIT(ret); 349 return(ret); 350 } 351 352 #if 0 353 static void MS_CALLBACK cb(int p, int n, void *arg) 354 { 355 char c='*'; 356 357 if (p == 0) c='.'; 358 if (p == 1) c='+'; 359 if (p == 2) c='*'; 360 if (p == 3) c='\n'; 361 BIO_write((BIO *)arg,&c,1); 362 (void)BIO_flush((BIO *)arg); 363 #ifdef LINT 364 p=n; 365 #endif 366 } 367 #endif 368 #endif 369
