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/* 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.
*
* In addition, Sun covenants to all licensees who provide a reciprocal
* covenant with respect to their own patents if any, not to sue under
* current and future patent claims necessarily infringed by the making,
* using, practicing, selling, offering for sale and/or otherwise
* disposing of the ECC Code as delivered hereunder (or portions thereof),
* provided that such covenant shall not apply:
* 1) for code that a licensee deletes from the ECC Code;
* 2) separates from the ECC Code; or
* 3) for infringements caused by:
* i) the modification of the ECC Code or
* ii) the combination of the ECC Code with other software or
* devices where such combination causes the infringement.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 1998-2002 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>
#ifdef OPENSSL_SYS_WINDOWS
#include "../bio/bss_file.c"
#endif
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/ec.h>
#include <openssl/objects.h>
#include <openssl/rand.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/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
#ifdef OPENSSL_NO_STDIO
#define APPS_WIN16
#include "bss_file.c"
#endif
static const char rnd_seed[] = "string to make the random number generator think it has entropy";
int test_ecdh_curve(int , char *, BN_CTX *, BIO *);
int test_ecdh_curve(int nid, char *text, BN_CTX *ctx, BIO *out)
{
EC_KEY *a=NULL;
EC_KEY *b=NULL;
BIGNUM *x=NULL, *y=NULL;
char buf[12];
unsigned char *abuf=NULL,*bbuf=NULL;
int i,alen,blen,aout,bout,ret=0;
if ((a=EC_KEY_new()) == NULL) goto err;
if ((a->group=EC_GROUP_new_by_nid(nid)) == NULL) goto err;
if ((b=EC_KEY_new()) == NULL) goto err;
b->group = a->group;
if ((x=BN_new()) == NULL) goto err;
if ((y=BN_new()) == NULL) goto err;
BIO_puts(out,"Testing key generation with ");
BIO_puts(out,text);
BIO_puts(out,"\n");
if (!EC_KEY_generate_key(a)) goto err;
BIO_puts(out," pri 1=");
BN_print(out,a->priv_key);
BIO_puts(out,"\n pub 1=");
if (EC_METHOD_get_field_type(EC_GROUP_method_of(a->group)) == NID_X9_62_prime_field)
{
if (!EC_POINT_get_affine_coordinates_GFp(a->group, a->pub_key, x, y, ctx)) goto err;
}
else
{
if (!EC_POINT_get_affine_coordinates_GF2m(a->group, a->pub_key, x, y, ctx)) goto err;
}
BN_print(out,x);
BIO_puts(out,",");
BN_print(out,y);
BIO_puts(out,"\n");
if (!EC_KEY_generate_key(b)) goto err;
BIO_puts(out," pri 2=");
BN_print(out,b->priv_key);
BIO_puts(out,"\n pub 2=");
if (EC_METHOD_get_field_type(EC_GROUP_method_of(b->group)) == NID_X9_62_prime_field)
{
if (!EC_POINT_get_affine_coordinates_GFp(b->group, b->pub_key, x, y, ctx)) goto err;
}
else
{
if (!EC_POINT_get_affine_coordinates_GF2m(a->group, b->pub_key, x, y, ctx)) goto err;
}
BN_print(out,x);
BIO_puts(out,",");
BN_print(out,y);
BIO_puts(out,"\n");
alen=ECDH_size(a);
abuf=(unsigned char *)OPENSSL_malloc(alen);
aout=ECDH_compute_key(abuf,b->pub_key,a);
BIO_puts(out," key1 =");
for (i=0; i<aout; i++)
{
sprintf(buf,"%02X",abuf[i]);
BIO_puts(out,buf);
}
BIO_puts(out,"\n");
blen=ECDH_size(b);
bbuf=(unsigned char *)OPENSSL_malloc(blen);
bout=ECDH_compute_key(bbuf,a->pub_key,b);
BIO_puts(out," key2 =");
for (i=0; i<bout; i++)
{
sprintf(buf,"%02X",bbuf[i]);
BIO_puts(out,buf);
}
BIO_puts(out,"\n");
if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
{
fprintf(stderr,"Error in ECDH routines\n");
ret=0;
}
else
ret=1;
err:
ERR_print_errors_fp(stderr);
if (abuf != NULL) OPENSSL_free(abuf);
if (bbuf != NULL) OPENSSL_free(bbuf);
if (x) BN_free(x);
if (y) BN_free(y);
if (a->group) EC_GROUP_free(a->group);
a->group = b->group = NULL;
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_state(0);
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
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