ecdhtest.c revision 267654
1212420Sken/* crypto/ecdh/ecdhtest.c */ 2212420Sken/* ==================================================================== 3212420Sken * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 4212420Sken * 5212420Sken * The Elliptic Curve Public-Key Crypto Library (ECC Code) included 6212420Sken * herein is developed by SUN MICROSYSTEMS, INC., and is contributed 7212420Sken * to the OpenSSL project. 8212420Sken * 9212420Sken * The ECC Code is licensed pursuant to the OpenSSL open source 10212420Sken * license provided below. 11212420Sken * 12212420Sken * The ECDH software is originally written by Douglas Stebila of 13212420Sken * Sun Microsystems Laboratories. 14212420Sken * 15212420Sken */ 16212420Sken/* ==================================================================== 17212420Sken * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. 18212420Sken * 19212420Sken * Redistribution and use in source and binary forms, with or without 20212420Sken * modification, are permitted provided that the following conditions 21212420Sken * are met: 22212420Sken * 23212420Sken * 1. Redistributions of source code must retain the above copyright 24212420Sken * notice, this list of conditions and the following disclaimer. 25212420Sken * 26212420Sken * 2. Redistributions in binary form must reproduce the above copyright 27212420Sken * notice, this list of conditions and the following disclaimer in 28212420Sken * the documentation and/or other materials provided with the 29212420Sken * distribution. 30279253Sslm * 31212420Sken * 3. All advertising materials mentioning features or use of this 32230592Sken * software must display the following acknowledgment: 33279253Sslm * "This product includes software developed by the OpenSSL Project 34279253Sslm * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 35230592Sken * 36230592Sken * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 37230592Sken * endorse or promote products derived from this software without 38230592Sken * prior written permission. For written permission, please contact 39230592Sken * openssl-core@openssl.org. 40230592Sken * 41230592Sken * 5. Products derived from this software may not be called "OpenSSL" 42230592Sken * nor may "OpenSSL" appear in their names without prior written 43230592Sken * permission of the OpenSSL Project. 44230592Sken * 45230592Sken * 6. Redistributions of any form whatsoever must retain the following 46230592Sken * acknowledgment: 47230592Sken * "This product includes software developed by the OpenSSL Project 48230592Sken * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 49230592Sken * 50230592Sken * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 51230592Sken * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52230592Sken * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53230592Sken * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 54230592Sken * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55230592Sken * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56230592Sken * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57230592Sken * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58279253Sslm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 59230592Sken * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60230592Sken * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 61230592Sken * OF THE POSSIBILITY OF SUCH DAMAGE. 62212420Sken * ==================================================================== 63212420Sken * 64212420Sken * This product includes cryptographic software written by Eric Young 65212420Sken * (eay@cryptsoft.com). This product includes software written by Tim 66213702Smdf * Hudson (tjh@cryptsoft.com). 67213702Smdf * 68230592Sken */ 69212420Sken 70212420Sken#include <stdio.h> 71212420Sken#include <stdlib.h> 72212420Sken#include <string.h> 73212420Sken 74212420Sken#include "../e_os.h" 75212420Sken 76212420Sken#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */ 77212420Sken#include <openssl/crypto.h> 78212420Sken#include <openssl/bio.h> 79212420Sken#include <openssl/bn.h> 80212420Sken#include <openssl/objects.h> 81212420Sken#include <openssl/rand.h> 82212420Sken#include <openssl/sha.h> 83230592Sken#include <openssl/err.h> 84230592Sken 85230592Sken#ifdef OPENSSL_NO_ECDH 86213702Smdfint main(int argc, char *argv[]) 87213702Smdf{ 88212420Sken printf("No ECDH support\n"); 89212420Sken return(0); 90212420Sken} 91212420Sken#else 92212420Sken#include <openssl/ec.h> 93230592Sken#include <openssl/ecdh.h> 94279253Sslm 95212420Sken#ifdef OPENSSL_SYS_WIN16 96212420Sken#define MS_CALLBACK _far _loadds 97212420Sken#else 98212420Sken#define MS_CALLBACK 99212420Sken#endif 100212420Sken 101230592Sken#if 0 102230592Skenstatic void MS_CALLBACK cb(int p, int n, void *arg); 103230592Sken#endif 104212420Sken 105212420Skenstatic const char rnd_seed[] = "string to make the random number generator think it has entropy"; 106279253Sslm 107230592Sken 108230592Skenstatic const int KDF1_SHA1_len = 20; 109212420Skenstatic void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) 110212420Sken { 111212420Sken#ifndef OPENSSL_NO_SHA 112213702Smdf if (*outlen < SHA_DIGEST_LENGTH) 113212420Sken return NULL; 114212420Sken else 115212420Sken *outlen = SHA_DIGEST_LENGTH; 116212420Sken return SHA1(in, inlen, out); 117212420Sken#else 118212420Sken return NULL; 119213702Smdf#endif 120212420Sken } 121212420Sken 122212420Sken 123213708Smdfstatic int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) 124213708Smdf { 125213708Smdf EC_KEY *a=NULL; 126213708Smdf EC_KEY *b=NULL; 127213708Smdf BIGNUM *x_a=NULL, *y_a=NULL, 128213708Smdf *x_b=NULL, *y_b=NULL; 129213708Smdf char buf[12]; 130213708Smdf unsigned char *abuf=NULL,*bbuf=NULL; 131213708Smdf int i,alen,blen,aout,bout,ret=0; 132213708Smdf const EC_GROUP *group; 133213707Smdf 134213707Smdf a = EC_KEY_new_by_curve_name(nid); 135213707Smdf b = EC_KEY_new_by_curve_name(nid); 136213707Smdf if (a == NULL || b == NULL) 137213707Smdf goto err; 138213707Smdf 139213707Smdf group = EC_KEY_get0_group(a); 140213707Smdf 141213707Smdf if ((x_a=BN_new()) == NULL) goto err; 142213707Smdf if ((y_a=BN_new()) == NULL) goto err; 143213708Smdf if ((x_b=BN_new()) == NULL) goto err; 144213708Smdf if ((y_b=BN_new()) == NULL) goto err; 145213707Smdf 146213707Smdf BIO_puts(out,"Testing key generation with "); 147230592Sken BIO_puts(out,text); 148230592Sken#ifdef NOISY 149230592Sken BIO_puts(out,"\n"); 150230592Sken#else 151230592Sken (void)BIO_flush(out); 152230592Sken#endif 153230592Sken 154230592Sken if (!EC_KEY_generate_key(a)) goto err; 155230592Sken 156230592Sken if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 157230592Sken { 158230592Sken if (!EC_POINT_get_affine_coordinates_GFp(group, 159230592Sken EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 160230592Sken } 161230592Sken else 162230592Sken { 163230592Sken if (!EC_POINT_get_affine_coordinates_GF2m(group, 164230592Sken EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 165230592Sken } 166230592Sken#ifdef NOISY 167230592Sken BIO_puts(out," pri 1="); 168230592Sken BN_print(out,a->priv_key); 169230592Sken BIO_puts(out,"\n pub 1="); 170230592Sken BN_print(out,x_a); 171230592Sken BIO_puts(out,","); 172230592Sken BN_print(out,y_a); 173230592Sken BIO_puts(out,"\n"); 174230592Sken#else 175230592Sken BIO_printf(out," ."); 176230592Sken (void)BIO_flush(out); 177230592Sken#endif 178230592Sken 179230592Sken if (!EC_KEY_generate_key(b)) goto err; 180230592Sken 181212420Sken if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 182212420Sken { 183230592Sken if (!EC_POINT_get_affine_coordinates_GFp(group, 184230592Sken EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 185230592Sken } 186230592Sken else 187230592Sken { 188230592Sken if (!EC_POINT_get_affine_coordinates_GF2m(group, 189230592Sken EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 190230592Sken } 191230592Sken 192230592Sken#ifdef NOISY 193212420Sken BIO_puts(out," pri 2="); 194212420Sken BN_print(out,b->priv_key); 195212420Sken BIO_puts(out,"\n pub 2="); 196212420Sken BN_print(out,x_b); 197212420Sken BIO_puts(out,","); 198212420Sken BN_print(out,y_b); 199212420Sken BIO_puts(out,"\n"); 200212420Sken#else 201212420Sken BIO_printf(out,"."); 202212420Sken (void)BIO_flush(out); 203212420Sken#endif 204212420Sken 205212420Sken alen=KDF1_SHA1_len; 206212420Sken abuf=(unsigned char *)OPENSSL_malloc(alen); 207212420Sken aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); 208212420Sken 209212420Sken#ifdef NOISY 210212420Sken BIO_puts(out," key1 ="); 211212420Sken for (i=0; i<aout; i++) 212212420Sken { 213250900Smav sprintf(buf,"%02X",abuf[i]); 214250900Smav BIO_puts(out,buf); 215212420Sken } 216212420Sken BIO_puts(out,"\n"); 217212420Sken#else 218212420Sken BIO_printf(out,"."); 219212420Sken (void)BIO_flush(out); 220212420Sken#endif 221212420Sken 222212420Sken blen=KDF1_SHA1_len; 223212420Sken bbuf=(unsigned char *)OPENSSL_malloc(blen); 224212420Sken bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); 225212420Sken 226212420Sken#ifdef NOISY 227212420Sken BIO_puts(out," key2 ="); 228212420Sken for (i=0; i<bout; i++) 229212420Sken { 230212420Sken sprintf(buf,"%02X",bbuf[i]); 231212420Sken BIO_puts(out,buf); 232212420Sken } 233212420Sken BIO_puts(out,"\n"); 234212420Sken#else 235212420Sken BIO_printf(out,"."); 236212420Sken (void)BIO_flush(out); 237212420Sken#endif 238212420Sken 239212420Sken if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) 240212420Sken { 241212420Sken#ifndef NOISY 242212420Sken BIO_printf(out, " failed\n\n"); 243212420Sken BIO_printf(out, "key a:\n"); 244212420Sken BIO_printf(out, "private key: "); 245212420Sken BN_print(out, EC_KEY_get0_private_key(a)); 246212420Sken BIO_printf(out, "\n"); 247212420Sken BIO_printf(out, "public key (x,y): "); 248212420Sken BN_print(out, x_a); 249212420Sken BIO_printf(out, ","); 250212420Sken BN_print(out, y_a); 251212420Sken BIO_printf(out, "\nkey b:\n"); 252212420Sken BIO_printf(out, "private key: "); 253212420Sken BN_print(out, EC_KEY_get0_private_key(b)); 254212420Sken BIO_printf(out, "\n"); 255212420Sken BIO_printf(out, "public key (x,y): "); 256212420Sken BN_print(out, x_b); 257212420Sken BIO_printf(out, ","); 258212420Sken BN_print(out, y_b); 259212420Sken BIO_printf(out, "\n"); 260212420Sken BIO_printf(out, "generated key a: "); 261212420Sken for (i=0; i<bout; i++) 262212420Sken { 263212420Sken sprintf(buf, "%02X", bbuf[i]); 264212420Sken BIO_puts(out, buf); 265212420Sken } 266212420Sken BIO_printf(out, "\n"); 267212420Sken BIO_printf(out, "generated key b: "); 268212420Sken for (i=0; i<aout; i++) 269212420Sken { 270212420Sken sprintf(buf, "%02X", abuf[i]); 271212420Sken BIO_puts(out,buf); 272212420Sken } 273212420Sken BIO_printf(out, "\n"); 274212420Sken#endif 275212420Sken fprintf(stderr,"Error in ECDH routines\n"); 276212420Sken ret=0; 277212420Sken } 278212420Sken else 279212420Sken { 280212420Sken#ifndef NOISY 281212420Sken BIO_printf(out, " ok\n"); 282212420Sken#endif 283212420Sken ret=1; 284212420Sken } 285212420Skenerr: 286212420Sken ERR_print_errors_fp(stderr); 287212420Sken 288212420Sken if (abuf != NULL) OPENSSL_free(abuf); 289212420Sken if (bbuf != NULL) OPENSSL_free(bbuf); 290212420Sken if (x_a) BN_free(x_a); 291212420Sken if (y_a) BN_free(y_a); 292212420Sken if (x_b) BN_free(x_b); 293212420Sken if (y_b) BN_free(y_b); 294212420Sken if (b) EC_KEY_free(b); 295212420Sken if (a) EC_KEY_free(a); 296212420Sken return(ret); 297212420Sken } 298212420Sken 299212420Skenint main(int argc, char *argv[]) 300212420Sken { 301212420Sken BN_CTX *ctx=NULL; 302212420Sken int ret=1; 303212420Sken BIO *out; 304212420Sken 305212420Sken CRYPTO_malloc_debug_init(); 306212420Sken CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); 307212420Sken CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 308212420Sken 309212420Sken#ifdef OPENSSL_SYS_WIN32 310251396Sasomers CRYPTO_malloc_init(); 311212420Sken#endif 312212420Sken 313212420Sken RAND_seed(rnd_seed, sizeof rnd_seed); 314212420Sken 315277717Sscottl out=BIO_new(BIO_s_file()); 316277717Sscottl if (out == NULL) EXIT(1); 317277717Sscottl BIO_set_fp(out,stdout,BIO_NOCLOSE); 318277717Sscottl 319212420Sken if ((ctx=BN_CTX_new()) == NULL) goto err; 320212420Sken 321212420Sken /* NIST PRIME CURVES TESTS */ 322212420Sken if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err; 323212420Sken if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err; 324212420Sken if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err; 325212420Sken if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err; 326212420Sken if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err; 327212420Sken /* NIST BINARY CURVES TESTS */ 328212420Sken if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err; 329212420Sken if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err; 330212420Sken if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err; 331212420Sken if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err; 332212420Sken if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err; 333212420Sken if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err; 334212420Sken if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err; 335212420Sken if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err; 336212420Sken if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err; 337212420Sken if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err; 338212420Sken 339212420Sken ret = 0; 340212420Sken 341212420Skenerr: 342212420Sken ERR_print_errors_fp(stderr); 343212420Sken if (ctx) BN_CTX_free(ctx); 344212420Sken BIO_free(out); 345212420Sken CRYPTO_cleanup_all_ex_data(); 346212420Sken ERR_remove_state(0); 347212420Sken CRYPTO_mem_leaks_fp(stderr); 348212420Sken EXIT(ret); 349212420Sken return(ret); 350212420Sken } 351212420Sken 352212420Sken#if 0 353212420Skenstatic void MS_CALLBACK cb(int p, int n, void *arg) 354212420Sken { 355212420Sken char c='*'; 356251396Sasomers 357212420Sken if (p == 0) c='.'; 358212420Sken if (p == 1) c='+'; 359212420Sken if (p == 2) c='*'; 360212420Sken if (p == 3) c='\n'; 361212420Sken BIO_write((BIO *)arg,&c,1); 362212420Sken (void)BIO_flush((BIO *)arg); 363212420Sken#ifdef LINT 364212420Sken p=n; 365212420Sken#endif 366212420Sken } 367212420Sken#endif 368212420Sken#endif 369212420Sken