118334Speter/* crypto/ecdh/ecdhtest.c */ 218334Speter/* ==================================================================== 390075Sobrien * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 4169689Skan * 518334Speter * The Elliptic Curve Public-Key Crypto Library (ECC Code) included 618334Speter * herein is developed by SUN MICROSYSTEMS, INC., and is contributed 7132718Skan * to the OpenSSL project. 818334Speter * 9132718Skan * The ECC Code is licensed pursuant to the OpenSSL open source 1018334Speter * license provided below. 1118334Speter * 1218334Speter * The ECDH software is originally written by Douglas Stebila of 1318334Speter * Sun Microsystems Laboratories. 14132718Skan * 1518334Speter */ 1618334Speter/* ==================================================================== 1718334Speter * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. 1818334Speter * 1918334Speter * Redistribution and use in source and binary forms, with or without 20132718Skan * modification, are permitted provided that the following conditions 21169689Skan * are met: 22169689Skan * 2318334Speter * 1. Redistributions of source code must retain the above copyright 2450397Sobrien * notice, this list of conditions and the following disclaimer. 2518334Speter * 2618334Speter * 2. Redistributions in binary form must reproduce the above copyright 2750397Sobrien * notice, this list of conditions and the following disclaimer in 28132718Skan * the documentation and/or other materials provided with the 29132718Skan * distribution. 3018334Speter * 3118334Speter * 3. All advertising materials mentioning features or use of this 3218334Speter * software must display the following acknowledgment: 3318334Speter * "This product includes software developed by the OpenSSL Project 3418334Speter * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 3518334Speter * 3650397Sobrien * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 3718334Speter * endorse or promote products derived from this software without 38146895Skan * prior written permission. For written permission, please contact 39169689Skan * openssl-core@openssl.org. 40169689Skan * 41169689Skan * 5. Products derived from this software may not be called "OpenSSL" 42132718Skan * nor may "OpenSSL" appear in their names without prior written 43169689Skan * permission of the OpenSSL Project. 44169689Skan * 45169689Skan * 6. Redistributions of any form whatsoever must retain the following 46169689Skan * acknowledgment: 47169689Skan * "This product includes software developed by the OpenSSL Project 48169689Skan * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 49169689Skan * 50132718Skan * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 51132718Skan * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52169689Skan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53169689Skan * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 54169689Skan * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55169689Skan * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56169689Skan * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57169689Skan * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58169689Skan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 59169689Skan * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60169689Skan * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 61132718Skan * OF THE POSSIBILITY OF SUCH DAMAGE. 62132718Skan * ==================================================================== 63132718Skan * 64132718Skan * This product includes cryptographic software written by Eric Young 65132718Skan * (eay@cryptsoft.com). This product includes software written by Tim 66132718Skan * Hudson (tjh@cryptsoft.com). 6718334Speter * 6818334Speter */ 6918334Speter 7050397Sobrien#include <stdio.h> 7118334Speter#include <stdlib.h> 7218334Speter#include <string.h> 7318334Speter 7418334Speter#include "../e_os.h" 7518334Speter 7618334Speter#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */ 7750397Sobrien#include <openssl/crypto.h> 7818334Speter#include <openssl/bio.h> 7918334Speter#include <openssl/bn.h> 80169689Skan#include <openssl/objects.h> 8150397Sobrien#include <openssl/rand.h> 82169689Skan#include <openssl/sha.h> 83169689Skan#include <openssl/err.h> 84169689Skan 85169689Skan#ifdef OPENSSL_NO_ECDH 86169689Skanint main(int argc, char *argv[]) 87169689Skan{ 88169689Skan printf("No ECDH support\n"); 89169689Skan return(0); 90169689Skan} 91169689Skan#else 92169689Skan#include <openssl/ec.h> 9352284Sobrien#include <openssl/ecdh.h> 94169689Skan 95169689Skan#ifdef OPENSSL_SYS_WIN16 9690075Sobrien#define MS_CALLBACK _far _loadds 97169689Skan#else 98169689Skan#define MS_CALLBACK 9918334Speter#endif 100169689Skan 101169689Skan#if 0 102169689Skanstatic void MS_CALLBACK cb(int p, int n, void *arg); 10318334Speter#endif 104169689Skan 10590075Sobrienstatic const char rnd_seed[] = "string to make the random number generator think it has entropy"; 106169689Skan 107169689Skan 108169689Skanstatic const int KDF1_SHA1_len = 20; 10918334Speterstatic void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) 110169689Skan { 111169689Skan#ifndef OPENSSL_NO_SHA 112169689Skan if (*outlen < SHA_DIGEST_LENGTH) 11318334Speter return NULL; 114169689Skan else 115169689Skan *outlen = SHA_DIGEST_LENGTH; 116169689Skan return SHA1(in, inlen, out); 117169689Skan#else 118169689Skan return NULL; 119169689Skan#endif 120169689Skan } 121169689Skan 12290075Sobrien 123169689Skanstatic int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) 124117395Skan { 125169689Skan EC_KEY *a=NULL; 126169689Skan EC_KEY *b=NULL; 127169689Skan BIGNUM *x_a=NULL, *y_a=NULL, 128169689Skan *x_b=NULL, *y_b=NULL; 129169689Skan char buf[12]; 130169689Skan unsigned char *abuf=NULL,*bbuf=NULL; 131169689Skan int i,alen,blen,aout,bout,ret=0; 132169689Skan const EC_GROUP *group; 133169689Skan 134169689Skan a = EC_KEY_new_by_curve_name(nid); 135169689Skan b = EC_KEY_new_by_curve_name(nid); 136169689Skan if (a == NULL || b == NULL) 137169689Skan goto err; 138169689Skan 139169689Skan group = EC_KEY_get0_group(a); 140169689Skan 141169689Skan if ((x_a=BN_new()) == NULL) goto err; 142169689Skan if ((y_a=BN_new()) == NULL) goto err; 143169689Skan if ((x_b=BN_new()) == NULL) goto err; 144169689Skan if ((y_b=BN_new()) == NULL) goto err; 14590075Sobrien 14618334Speter BIO_puts(out,"Testing key generation with "); 147169689Skan BIO_puts(out,text); 148169689Skan#ifdef NOISY 14918334Speter BIO_puts(out,"\n"); 15018334Speter#else 151119256Skan (void)BIO_flush(out); 152169689Skan#endif 153169689Skan 154169689Skan if (!EC_KEY_generate_key(a)) goto err; 155119256Skan 156119256Skan if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 157169689Skan { 158119256Skan if (!EC_POINT_get_affine_coordinates_GFp(group, 159119256Skan EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 160119256Skan } 161119256Skan#ifndef OPENSSL_NO_EC2M 162119256Skan else 163119256Skan { 164169689Skan if (!EC_POINT_get_affine_coordinates_GF2m(group, 165132718Skan EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; 166132718Skan } 167132718Skan#endif 168132718Skan#ifdef NOISY 169132718Skan BIO_puts(out," pri 1="); 170119256Skan BN_print(out,a->priv_key); 171119256Skan BIO_puts(out,"\n pub 1="); 172119256Skan BN_print(out,x_a); 173119256Skan BIO_puts(out,","); 174119256Skan BN_print(out,y_a); 175119256Skan BIO_puts(out,"\n"); 176119256Skan#else 177169689Skan BIO_printf(out," ."); 178119256Skan (void)BIO_flush(out); 179119256Skan#endif 18090075Sobrien 181132718Skan if (!EC_KEY_generate_key(b)) goto err; 182132718Skan 183132718Skan if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) 18452284Sobrien { 185117395Skan if (!EC_POINT_get_affine_coordinates_GFp(group, 186117395Skan EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 187117395Skan } 188117395Skan#ifndef OPENSSL_NO_EC2M 18950397Sobrien else 19018334Speter { 191132718Skan if (!EC_POINT_get_affine_coordinates_GF2m(group, 19218334Speter EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; 193169689Skan } 194169689Skan#endif 19590075Sobrien 196169689Skan#ifdef NOISY 19790075Sobrien BIO_puts(out," pri 2="); 19818334Speter BN_print(out,b->priv_key); 19990075Sobrien BIO_puts(out,"\n pub 2="); 20090075Sobrien BN_print(out,x_b); 20118334Speter BIO_puts(out,","); 20218334Speter BN_print(out,y_b); 203169689Skan BIO_puts(out,"\n"); 204169689Skan#else 205117395Skan BIO_printf(out,"."); 206117395Skan (void)BIO_flush(out); 207117395Skan#endif 208117395Skan 209117395Skan alen=KDF1_SHA1_len; 210169689Skan abuf=(unsigned char *)OPENSSL_malloc(alen); 211169689Skan aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); 212169689Skan 213169689Skan#ifdef NOISY 214169689Skan BIO_puts(out," key1 ="); 215117395Skan for (i=0; i<aout; i++) 21690075Sobrien { 21790075Sobrien sprintf(buf,"%02X",abuf[i]); 218169689Skan BIO_puts(out,buf); 219169689Skan } 220169689Skan BIO_puts(out,"\n"); 221169689Skan#else 222169689Skan BIO_printf(out,"."); 223169689Skan (void)BIO_flush(out); 224169689Skan#endif 225169689Skan 226169689Skan blen=KDF1_SHA1_len; 227169689Skan bbuf=(unsigned char *)OPENSSL_malloc(blen); 228169689Skan bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); 229169689Skan 230169689Skan#ifdef NOISY 231169689Skan BIO_puts(out," key2 ="); 232169689Skan for (i=0; i<bout; i++) 233169689Skan { 234169689Skan sprintf(buf,"%02X",bbuf[i]); 235169689Skan BIO_puts(out,buf); 236169689Skan } 237169689Skan BIO_puts(out,"\n"); 238169689Skan#else 239169689Skan BIO_printf(out,"."); 240169689Skan (void)BIO_flush(out); 241169689Skan#endif 242169689Skan 243169689Skan if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) 244169689Skan { 245169689Skan#ifndef NOISY 246169689Skan BIO_printf(out, " failed\n\n"); 247117395Skan BIO_printf(out, "key a:\n"); 248117395Skan BIO_printf(out, "private key: "); 249117395Skan BN_print(out, EC_KEY_get0_private_key(a)); 250117395Skan BIO_printf(out, "\n"); 251117395Skan BIO_printf(out, "public key (x,y): "); 252117395Skan BN_print(out, x_a); 253117395Skan BIO_printf(out, ","); 254117395Skan BN_print(out, y_a); 255117395Skan BIO_printf(out, "\nkey b:\n"); 256117395Skan BIO_printf(out, "private key: "); 257169689Skan BN_print(out, EC_KEY_get0_private_key(b)); 258117395Skan BIO_printf(out, "\n"); 259117395Skan BIO_printf(out, "public key (x,y): "); 260117395Skan BN_print(out, x_b); 261117395Skan BIO_printf(out, ","); 262117395Skan BN_print(out, y_b); 263169689Skan BIO_printf(out, "\n"); 264117395Skan BIO_printf(out, "generated key a: "); 265117395Skan for (i=0; i<bout; i++) 266117395Skan { 267117395Skan sprintf(buf, "%02X", bbuf[i]); 268117395Skan BIO_puts(out, buf); 269117395Skan } 270119256Skan BIO_printf(out, "\n"); 271169689Skan BIO_printf(out, "generated key b: "); 272117395Skan for (i=0; i<aout; i++) 273119256Skan { 274117395Skan sprintf(buf, "%02X", abuf[i]); 275169689Skan BIO_puts(out,buf); 276119256Skan } 277117395Skan BIO_printf(out, "\n"); 278119256Skan#endif 279119256Skan fprintf(stderr,"Error in ECDH routines\n"); 280119256Skan ret=0; 281117395Skan } 282117395Skan else 283117395Skan { 284117395Skan#ifndef NOISY 28590075Sobrien BIO_printf(out, " ok\n"); 28690075Sobrien#endif 287169689Skan ret=1; 28890075Sobrien } 28918334Spetererr: 29018334Speter ERR_print_errors_fp(stderr); 291169689Skan 29250397Sobrien if (abuf != NULL) OPENSSL_free(abuf); 293169689Skan if (bbuf != NULL) OPENSSL_free(bbuf); 29418334Speter if (x_a) BN_free(x_a); 295169689Skan if (y_a) BN_free(y_a); 296169689Skan if (x_b) BN_free(x_b); 297169689Skan if (y_b) BN_free(y_b); 298169689Skan if (b) EC_KEY_free(b); 299169689Skan if (a) EC_KEY_free(a); 300169689Skan return(ret); 301169689Skan } 302169689Skan 303169689Skanint main(int argc, char *argv[]) 304169689Skan { 305169689Skan BN_CTX *ctx=NULL; 306169689Skan int ret=1; 307169689Skan BIO *out; 308169689Skan 309169689Skan CRYPTO_malloc_debug_init(); 310169689Skan CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); 311169689Skan CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 312169689Skan 313169689Skan#ifdef OPENSSL_SYS_WIN32 314169689Skan CRYPTO_malloc_init(); 31518334Speter#endif 316169689Skan 317169689Skan RAND_seed(rnd_seed, sizeof rnd_seed); 318169689Skan 319169689Skan out=BIO_new(BIO_s_file()); 320169689Skan if (out == NULL) EXIT(1); 321169689Skan BIO_set_fp(out,stdout,BIO_NOCLOSE); 322169689Skan 32352284Sobrien if ((ctx=BN_CTX_new()) == NULL) goto err; 324169689Skan 325169689Skan /* NIST PRIME CURVES TESTS */ 326169689Skan if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err; 32718334Speter if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err; 328169689Skan if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err; 329169689Skan if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err; 33018334Speter if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err; 33118334Speter#ifndef OPENSSL_NO_EC2M 332169689Skan /* NIST BINARY CURVES TESTS */ 333169689Skan if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err; 334169689Skan if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err; 335169689Skan if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err; 336169689Skan if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err; 337169689Skan if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err; 338169689Skan if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err; 339169689Skan if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err; 340169689Skan if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err; 341169689Skan if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err; 342169689Skan if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err; 343169689Skan#endif 344169689Skan 34590075Sobrien ret = 0; 34690075Sobrien 34790075Sobrienerr: 34890075Sobrien ERR_print_errors_fp(stderr); 34990075Sobrien if (ctx) BN_CTX_free(ctx); 35090075Sobrien BIO_free(out); 35190075Sobrien CRYPTO_cleanup_all_ex_data(); 35290075Sobrien ERR_remove_thread_state(NULL); 35390075Sobrien CRYPTO_mem_leaks_fp(stderr); 35490075Sobrien EXIT(ret); 35518334Speter return(ret); 35690075Sobrien } 357169689Skan 35818334Speter#if 0 359169689Skanstatic void MS_CALLBACK cb(int p, int n, void *arg) 360169689Skan { 361169689Skan char c='*'; 362169689Skan 363169689Skan if (p == 0) c='.'; 364169689Skan if (p == 1) c='+'; 365169689Skan if (p == 2) c='*'; 366169689Skan if (p == 3) c='\n'; 367169689Skan BIO_write((BIO *)arg,&c,1); 368169689Skan (void)BIO_flush((BIO *)arg); 36918334Speter#ifdef LINT 37018334Speter p=n; 371132718Skan#endif 372132718Skan } 37318334Speter#endif 374132718Skan#endif 375132718Skan