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Diffstat (limited to 'openssl/crypto/dh/dhtest.c')
| -rw-r--r-- | openssl/crypto/dh/dhtest.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/openssl/crypto/dh/dhtest.c b/openssl/crypto/dh/dhtest.c new file mode 100644 index 00000000..882f5c31 --- /dev/null +++ b/openssl/crypto/dh/dhtest.c @@ -0,0 +1,226 @@ +/* crypto/dh/dhtest.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +/* Until the key-gen callbacks are modified to use newer prototypes, we allow + * deprecated functions for openssl-internal code */ +#ifdef OPENSSL_NO_DEPRECATED +#undef OPENSSL_NO_DEPRECATED +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../e_os.h" + +#include <openssl/crypto.h> +#include <openssl/bio.h> +#include <openssl/bn.h> +#include <openssl/rand.h> +#include <openssl/err.h> + +#ifdef OPENSSL_NO_DH +int main(int argc, char *argv[]) +{ + printf("No DH support\n"); + return(0); +} +#else +#include <openssl/dh.h> + +#ifdef OPENSSL_SYS_WIN16 +#define MS_CALLBACK _far _loadds +#else +#define MS_CALLBACK +#endif + +static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg); + +static const char rnd_seed[] = "string to make the random number generator think it has entropy"; + +int main(int argc, char *argv[]) + { + BN_GENCB _cb; + DH *a; + DH *b=NULL; + char buf[12]; + unsigned char *abuf=NULL,*bbuf=NULL; + int i,alen,blen,aout,bout,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); + + BN_GENCB_set(&_cb, &cb, out); + if(((a = DH_new()) == NULL) || !DH_generate_parameters_ex(a, 64, + DH_GENERATOR_5, &_cb)) + goto err; + + if (!DH_check(a, &i)) goto err; + if (i & DH_CHECK_P_NOT_PRIME) + BIO_puts(out, "p value is not prime\n"); + if (i & DH_CHECK_P_NOT_SAFE_PRIME) + BIO_puts(out, "p value is not a safe prime\n"); + if (i & DH_UNABLE_TO_CHECK_GENERATOR) + BIO_puts(out, "unable to check the generator value\n"); + if (i & DH_NOT_SUITABLE_GENERATOR) + BIO_puts(out, "the g value is not a generator\n"); + + BIO_puts(out,"\np ="); + BN_print(out,a->p); + BIO_puts(out,"\ng ="); + BN_print(out,a->g); + BIO_puts(out,"\n"); + + b=DH_new(); + if (b == NULL) goto err; + + b->p=BN_dup(a->p); + b->g=BN_dup(a->g); + if ((b->p == NULL) || (b->g == NULL)) goto err; + + /* Set a to run with normal modexp and b to use constant time */ + a->flags &= ~DH_FLAG_NO_EXP_CONSTTIME; + b->flags |= DH_FLAG_NO_EXP_CONSTTIME; + + if (!DH_generate_key(a)) goto err; + BIO_puts(out,"pri 1="); + BN_print(out,a->priv_key); + BIO_puts(out,"\npub 1="); + BN_print(out,a->pub_key); + BIO_puts(out,"\n"); + + if (!DH_generate_key(b)) goto err; + BIO_puts(out,"pri 2="); + BN_print(out,b->priv_key); + BIO_puts(out,"\npub 2="); + BN_print(out,b->pub_key); + BIO_puts(out,"\n"); + + alen=DH_size(a); + abuf=(unsigned char *)OPENSSL_malloc(alen); + aout=DH_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=DH_size(b); + bbuf=(unsigned char *)OPENSSL_malloc(blen); + bout=DH_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 DH routines\n"); + ret=1; + } + else + ret=0; +err: + ERR_print_errors_fp(stderr); + + if (abuf != NULL) OPENSSL_free(abuf); + if (bbuf != NULL) OPENSSL_free(bbuf); + if(b != NULL) DH_free(b); + if(a != NULL) DH_free(a); + BIO_free(out); +#ifdef OPENSSL_SYS_NETWARE + if (ret) printf("ERROR: %d\n", ret); +#endif + EXIT(ret); + return(ret); + } + +static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg) + { + char c='*'; + + if (p == 0) c='.'; + if (p == 1) c='+'; + if (p == 2) c='*'; + if (p == 3) c='\n'; + BIO_write(arg->arg,&c,1); + (void)BIO_flush(arg->arg); +#ifdef LINT + p=n; +#endif + return 1; + } +#endif |