/* crypto/ecdh/ecdhtest.c */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * * The Elliptic Curve Public-Key Crypto Library (ECC Code) included * herein is developed by SUN MICROSYSTEMS, INC., and is contributed * to the OpenSSL project. * * The ECC Code is licensed pursuant to the OpenSSL open source * license provided below. * * The ECDH software is originally written by Douglas Stebila of * Sun Microsystems Laboratories. * */ /* ==================================================================== * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "../e_os.h" #include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */ #include <openssl/crypto.h> #include <openssl/bio.h> #include <openssl/bn.h> #include <openssl/objects.h> #include <openssl/rand.h> #include <openssl/sha.h> #include <openssl/err.h> #ifdef OPENSSL_NO_ECDH int main(int argc, char *argv[]) { printf("No ECDH support\n"); return(0); } #else #include <openssl/ec.h> #include <openssl/ecdh.h> #ifdef OPENSSL_SYS_WIN16 #define MS_CALLBACK _far _loadds #else #define MS_CALLBACK #endif #if 0 static void MS_CALLBACK cb(int p, int n, void *arg); #endif static const char rnd_seed[] = "string to make the random number generator think it has entropy"; static const int KDF1_SHA1_len = 20; static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) { #ifndef OPENSSL_NO_SHA if (*outlen < SHA_DIGEST_LENGTH) return NULL; else *outlen = SHA_DIGEST_LENGTH; return SHA1(in, inlen, out); #else return NULL; #endif } static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) { EC_KEY *a=NULL; EC_KEY *b=NULL; BIGNUM *x_a=NULL, *y_a=NULL, *x_b=NULL, *y_b=NULL; char buf[12]; unsigned char *abuf=NULL,*bbuf=NULL; int i,alen,blen,aout,bout,ret=0; const EC_GROUP *group; a = EC_KEY_new_by_curve_name(nid); b = EC_KEY_new_by_curve_name(nid); if (a == NULL || b == NULL) goto err; group = EC_KEY_get0_group(a); if ((x_a=BN_new()) == NULL) goto err; if ((y_a=BN_new()) == NULL) goto err; if ((x_b=BN_new()) == NULL) goto err; if ((y_b=BN_new()) == NULL) goto err; BIO_puts(out,"Testing key generation with "); BIO_puts(out,text); #ifdef NOISY BIO_puts(out,"\n"); #else (void)BIO_flush(out); #endif if (!EC_KEY_generate_key(a)) goto err; if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) { if (!EC_POINT_get_affine_coordinates_GFp(group, EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; } else { if (!EC_POINT_get_affine_coordinates_GF2m(group, EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; } #ifdef NOISY BIO_puts(out," pri 1="); BN_print(out,a->priv_key); BIO_puts(out,"\n pub 1="); BN_print(out,x_a); BIO_puts(out,","); BN_print(out,y_a); BIO_puts(out,"\n"); #else BIO_printf(out," ."); (void)BIO_flush(out); #endif if (!EC_KEY_generate_key(b)) goto err; if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) { if (!EC_POINT_get_affine_coordinates_GFp(group, EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; } else { if (!EC_POINT_get_affine_coordinates_GF2m(group, EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; } #ifdef NOISY BIO_puts(out," pri 2="); BN_print(out,b->priv_key); BIO_puts(out,"\n pub 2="); BN_print(out,x_b); BIO_puts(out,","); BN_print(out,y_b); BIO_puts(out,"\n"); #else BIO_printf(out,"."); (void)BIO_flush(out); #endif alen=KDF1_SHA1_len; abuf=(unsigned char *)OPENSSL_malloc(alen); aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); #ifdef NOISY BIO_puts(out," key1 ="); for (i=0; i<aout; i++) { sprintf(buf,"%02X",abuf[i]); BIO_puts(out,buf); } BIO_puts(out,"\n"); #else BIO_printf(out,"."); (void)BIO_flush(out); #endif blen=KDF1_SHA1_len; bbuf=(unsigned char *)OPENSSL_malloc(blen); bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); #ifdef NOISY BIO_puts(out," key2 ="); for (i=0; i<bout; i++) { sprintf(buf,"%02X",bbuf[i]); BIO_puts(out,buf); } BIO_puts(out,"\n"); #else BIO_printf(out,"."); (void)BIO_flush(out); #endif if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) { #ifndef NOISY BIO_printf(out, " failed\n\n"); BIO_printf(out, "key a:\n"); BIO_printf(out, "private key: "); BN_print(out, EC_KEY_get0_private_key(a)); BIO_printf(out, "\n"); BIO_printf(out, "public key (x,y): "); BN_print(out, x_a); BIO_printf(out, ","); BN_print(out, y_a); BIO_printf(out, "\nkey b:\n"); BIO_printf(out, "private key: "); BN_print(out, EC_KEY_get0_private_key(b)); BIO_printf(out, "\n"); BIO_printf(out, "public key (x,y): "); BN_print(out, x_b); BIO_printf(out, ","); BN_print(out, y_b); BIO_printf(out, "\n"); BIO_printf(out, "generated key a: "); for (i=0; i<bout; i++) { sprintf(buf, "%02X", bbuf[i]); BIO_puts(out, buf); } BIO_printf(out, "\n"); BIO_printf(out, "generated key b: "); for (i=0; i<aout; i++) { sprintf(buf, "%02X", abuf[i]); BIO_puts(out,buf); } BIO_printf(out, "\n"); #endif fprintf(stderr,"Error in ECDH routines\n"); ret=0; } else { #ifndef NOISY BIO_printf(out, " ok\n"); #endif ret=1; } err: ERR_print_errors_fp(stderr); if (abuf != NULL) OPENSSL_free(abuf); if (bbuf != NULL) OPENSSL_free(bbuf); if (x_a) BN_free(x_a); if (y_a) BN_free(y_a); if (x_b) BN_free(x_b); if (y_b) BN_free(y_b); if (b) EC_KEY_free(b); if (a) EC_KEY_free(a); return(ret); } int main(int argc, char *argv[]) { BN_CTX *ctx=NULL; int ret=1; BIO *out; CRYPTO_malloc_debug_init(); CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); #ifdef OPENSSL_SYS_WIN32 CRYPTO_malloc_init(); #endif RAND_seed(rnd_seed, sizeof rnd_seed); out=BIO_new(BIO_s_file()); if (out == NULL) EXIT(1); BIO_set_fp(out,stdout,BIO_NOCLOSE); if ((ctx=BN_CTX_new()) == NULL) goto err; /* NIST PRIME CURVES TESTS */ if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err; if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err; if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err; if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err; if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err; /* NIST BINARY CURVES TESTS */ if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err; if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err; ret = 0; err: ERR_print_errors_fp(stderr); if (ctx) BN_CTX_free(ctx); BIO_free(out); CRYPTO_cleanup_all_ex_data(); ERR_remove_thread_state(NULL); CRYPTO_mem_leaks_fp(stderr); EXIT(ret); return(ret); } #if 0 static void MS_CALLBACK cb(int p, int n, void *arg) { char c='*'; if (p == 0) c='.'; if (p == 1) c='+'; if (p == 2) c='*'; if (p == 3) c='\n'; BIO_write((BIO *)arg,&c,1); (void)BIO_flush((BIO *)arg); #ifdef LINT p=n; #endif } #endif #endif