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410 lines
12 KiB
410 lines
12 KiB
/* crypto/ecdh/ecdhtest.c */ |
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/* ==================================================================== |
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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* |
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* The Elliptic Curve Public-Key Crypto Library (ECC Code) included |
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* herein is developed by SUN MICROSYSTEMS, INC., and is contributed |
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* to the OpenSSL project. |
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* |
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* The ECC Code is licensed pursuant to the OpenSSL open source |
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* license provided below. |
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* |
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* The ECDH software is originally written by Douglas Stebila of |
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* Sun Microsystems Laboratories. |
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* |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "../e_os.h" |
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#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */ |
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#include <openssl/crypto.h> |
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#include <openssl/bio.h> |
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#include <openssl/bn.h> |
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#include <openssl/objects.h> |
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#include <openssl/rand.h> |
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#include <openssl/sha.h> |
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#include <openssl/err.h> |
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#ifdef OPENSSL_NO_ECDH |
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int main(int argc, char *argv[]) |
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{ |
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printf("No ECDH support\n"); |
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return (0); |
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} |
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#else |
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# include <openssl/ec.h> |
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# include <openssl/ecdh.h> |
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# ifdef OPENSSL_SYS_WIN16 |
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# define MS_CALLBACK _far _loadds |
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# else |
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# define MS_CALLBACK |
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# endif |
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# if 0 |
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static void MS_CALLBACK cb(int p, int n, void *arg); |
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# endif |
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static const char rnd_seed[] = |
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"string to make the random number generator think it has entropy"; |
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static const int KDF1_SHA1_len = 20; |
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static void *KDF1_SHA1(const void *in, size_t inlen, void *out, |
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size_t *outlen) |
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{ |
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# ifndef OPENSSL_NO_SHA |
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if (*outlen < SHA_DIGEST_LENGTH) |
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return NULL; |
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else |
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*outlen = SHA_DIGEST_LENGTH; |
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return SHA1(in, inlen, out); |
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# else |
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return NULL; |
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# endif |
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} |
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static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) |
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{ |
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EC_KEY *a = NULL; |
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EC_KEY *b = NULL; |
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BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL; |
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char buf[12]; |
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unsigned char *abuf = NULL, *bbuf = NULL; |
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int i, alen, blen, aout, bout, ret = 0; |
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const EC_GROUP *group; |
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a = EC_KEY_new_by_curve_name(nid); |
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b = EC_KEY_new_by_curve_name(nid); |
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if (a == NULL || b == NULL) |
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goto err; |
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group = EC_KEY_get0_group(a); |
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if ((x_a = BN_new()) == NULL) |
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goto err; |
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if ((y_a = BN_new()) == NULL) |
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goto err; |
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if ((x_b = BN_new()) == NULL) |
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goto err; |
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if ((y_b = BN_new()) == NULL) |
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goto err; |
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BIO_puts(out, "Testing key generation with "); |
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BIO_puts(out, text); |
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# ifdef NOISY |
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BIO_puts(out, "\n"); |
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# else |
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(void)BIO_flush(out); |
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# endif |
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if (!EC_KEY_generate_key(a)) |
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goto err; |
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if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == |
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NID_X9_62_prime_field) { |
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if (!EC_POINT_get_affine_coordinates_GFp |
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(group, EC_KEY_get0_public_key(a), x_a, y_a, ctx)) |
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goto err; |
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} |
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# ifndef OPENSSL_NO_EC2M |
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else { |
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if (!EC_POINT_get_affine_coordinates_GF2m(group, |
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EC_KEY_get0_public_key(a), |
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x_a, y_a, ctx)) |
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goto err; |
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} |
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# endif |
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# ifdef NOISY |
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BIO_puts(out, " pri 1="); |
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BN_print(out, a->priv_key); |
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BIO_puts(out, "\n pub 1="); |
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BN_print(out, x_a); |
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BIO_puts(out, ","); |
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BN_print(out, y_a); |
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BIO_puts(out, "\n"); |
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# else |
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BIO_printf(out, " ."); |
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(void)BIO_flush(out); |
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# endif |
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if (!EC_KEY_generate_key(b)) |
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goto err; |
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if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == |
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NID_X9_62_prime_field) { |
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if (!EC_POINT_get_affine_coordinates_GFp |
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(group, EC_KEY_get0_public_key(b), x_b, y_b, ctx)) |
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goto err; |
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} |
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# ifndef OPENSSL_NO_EC2M |
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else { |
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if (!EC_POINT_get_affine_coordinates_GF2m(group, |
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EC_KEY_get0_public_key(b), |
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x_b, y_b, ctx)) |
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goto err; |
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} |
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# endif |
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# ifdef NOISY |
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BIO_puts(out, " pri 2="); |
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BN_print(out, b->priv_key); |
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BIO_puts(out, "\n pub 2="); |
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BN_print(out, x_b); |
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BIO_puts(out, ","); |
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BN_print(out, y_b); |
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BIO_puts(out, "\n"); |
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# else |
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BIO_printf(out, "."); |
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(void)BIO_flush(out); |
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# endif |
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alen = KDF1_SHA1_len; |
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abuf = (unsigned char *)OPENSSL_malloc(alen); |
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aout = |
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ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1); |
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# ifdef NOISY |
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BIO_puts(out, " key1 ="); |
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for (i = 0; i < aout; i++) { |
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sprintf(buf, "%02X", abuf[i]); |
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BIO_puts(out, buf); |
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} |
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BIO_puts(out, "\n"); |
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# else |
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BIO_printf(out, "."); |
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(void)BIO_flush(out); |
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# endif |
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blen = KDF1_SHA1_len; |
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bbuf = (unsigned char *)OPENSSL_malloc(blen); |
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bout = |
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ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1); |
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# ifdef NOISY |
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BIO_puts(out, " key2 ="); |
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for (i = 0; i < bout; i++) { |
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sprintf(buf, "%02X", bbuf[i]); |
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BIO_puts(out, buf); |
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} |
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BIO_puts(out, "\n"); |
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# else |
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BIO_printf(out, "."); |
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(void)BIO_flush(out); |
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# endif |
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if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) { |
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# ifndef NOISY |
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BIO_printf(out, " failed\n\n"); |
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BIO_printf(out, "key a:\n"); |
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BIO_printf(out, "private key: "); |
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BN_print(out, EC_KEY_get0_private_key(a)); |
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BIO_printf(out, "\n"); |
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BIO_printf(out, "public key (x,y): "); |
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BN_print(out, x_a); |
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BIO_printf(out, ","); |
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BN_print(out, y_a); |
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BIO_printf(out, "\nkey b:\n"); |
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BIO_printf(out, "private key: "); |
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BN_print(out, EC_KEY_get0_private_key(b)); |
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BIO_printf(out, "\n"); |
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BIO_printf(out, "public key (x,y): "); |
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BN_print(out, x_b); |
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BIO_printf(out, ","); |
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BN_print(out, y_b); |
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BIO_printf(out, "\n"); |
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BIO_printf(out, "generated key a: "); |
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for (i = 0; i < bout; i++) { |
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sprintf(buf, "%02X", bbuf[i]); |
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BIO_puts(out, buf); |
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} |
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BIO_printf(out, "\n"); |
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BIO_printf(out, "generated key b: "); |
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for (i = 0; i < aout; i++) { |
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sprintf(buf, "%02X", abuf[i]); |
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BIO_puts(out, buf); |
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} |
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BIO_printf(out, "\n"); |
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# endif |
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fprintf(stderr, "Error in ECDH routines\n"); |
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ret = 0; |
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} else { |
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# ifndef NOISY |
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BIO_printf(out, " ok\n"); |
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# endif |
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ret = 1; |
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} |
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err: |
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ERR_print_errors_fp(stderr); |
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if (abuf != NULL) |
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OPENSSL_free(abuf); |
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if (bbuf != NULL) |
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OPENSSL_free(bbuf); |
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if (x_a) |
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BN_free(x_a); |
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if (y_a) |
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BN_free(y_a); |
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if (x_b) |
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BN_free(x_b); |
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if (y_b) |
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BN_free(y_b); |
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if (b) |
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EC_KEY_free(b); |
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if (a) |
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EC_KEY_free(a); |
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return (ret); |
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} |
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int main(int argc, char *argv[]) |
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{ |
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BN_CTX *ctx = NULL; |
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int ret = 1; |
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BIO *out; |
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CRYPTO_malloc_debug_init(); |
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CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); |
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); |
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# ifdef OPENSSL_SYS_WIN32 |
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CRYPTO_malloc_init(); |
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# endif |
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RAND_seed(rnd_seed, sizeof rnd_seed); |
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out = BIO_new(BIO_s_file()); |
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if (out == NULL) |
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EXIT(1); |
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BIO_set_fp(out, stdout, BIO_NOCLOSE); |
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if ((ctx = BN_CTX_new()) == NULL) |
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goto err; |
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/* NIST PRIME CURVES TESTS */ |
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if (!test_ecdh_curve |
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(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve |
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(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) |
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goto err; |
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# ifndef OPENSSL_NO_EC2M |
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/* NIST BINARY CURVES TESTS */ |
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if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) |
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goto err; |
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if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) |
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goto err; |
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# endif |
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ret = 0; |
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err: |
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ERR_print_errors_fp(stderr); |
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if (ctx) |
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BN_CTX_free(ctx); |
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BIO_free(out); |
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CRYPTO_cleanup_all_ex_data(); |
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ERR_remove_thread_state(NULL); |
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CRYPTO_mem_leaks_fp(stderr); |
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EXIT(ret); |
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return (ret); |
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} |
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# if 0 |
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static void MS_CALLBACK cb(int p, int n, void *arg) |
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{ |
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char c = '*'; |
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if (p == 0) |
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c = '.'; |
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if (p == 1) |
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c = '+'; |
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if (p == 2) |
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c = '*'; |
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if (p == 3) |
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c = '\n'; |
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BIO_write((BIO *)arg, &c, 1); |
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(void)BIO_flush((BIO *)arg); |
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# ifdef LINT |
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p = n; |
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# endif |
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} |
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# endif |
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#endif
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