Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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@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@cryptsoft.com). This product includes software written by Tim |
| 66 | * Hudson (tjh@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 | } |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | } |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | } |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | } |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 |