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| 1 /* crypto/dh/dhtest.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow | |
| 60 * deprecated functions for openssl-internal code */ | |
| 61 #ifdef OPENSSL_NO_DEPRECATED | |
| 62 #undef OPENSSL_NO_DEPRECATED | |
| 63 #endif | |
| 64 | |
| 65 #include <stdio.h> | |
| 66 #include <stdlib.h> | |
| 67 #include <string.h> | |
| 68 | |
| 69 #include "../e_os.h" | |
| 70 | |
| 71 #include <openssl/crypto.h> | |
| 72 #include <openssl/bio.h> | |
| 73 #include <openssl/bn.h> | |
| 74 #include <openssl/rand.h> | |
| 75 #include <openssl/err.h> | |
| 76 | |
| 77 #ifdef OPENSSL_NO_DH | |
| 78 int main(int argc, char *argv[]) | |
| 79 { | |
| 80 printf("No DH support\n"); | |
| 81 return(0); | |
| 82 } | |
| 83 #else | |
| 84 #include <openssl/dh.h> | |
| 85 | |
| 86 #ifdef OPENSSL_SYS_WIN16 | |
| 87 #define MS_CALLBACK _far _loadds | |
| 88 #else | |
| 89 #define MS_CALLBACK | |
| 90 #endif | |
| 91 | |
| 92 static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg); | |
| 93 | |
| 94 static const char rnd_seed[] = "string to make the random number generator think
it has entropy"; | |
| 95 | |
| 96 int main(int argc, char *argv[]) | |
| 97 { | |
| 98 BN_GENCB _cb; | |
| 99 DH *a; | |
| 100 DH *b=NULL; | |
| 101 char buf[12]; | |
| 102 unsigned char *abuf=NULL,*bbuf=NULL; | |
| 103 int i,alen,blen,aout,bout,ret=1; | |
| 104 BIO *out; | |
| 105 | |
| 106 CRYPTO_malloc_debug_init(); | |
| 107 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); | |
| 108 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); | |
| 109 | |
| 110 #ifdef OPENSSL_SYS_WIN32 | |
| 111 CRYPTO_malloc_init(); | |
| 112 #endif | |
| 113 | |
| 114 RAND_seed(rnd_seed, sizeof rnd_seed); | |
| 115 | |
| 116 out=BIO_new(BIO_s_file()); | |
| 117 if (out == NULL) EXIT(1); | |
| 118 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
| 119 | |
| 120 BN_GENCB_set(&_cb, &cb, out); | |
| 121 if(((a = DH_new()) == NULL) || !DH_generate_parameters_ex(a, 64, | |
| 122 DH_GENERATOR_5, &_cb)) | |
| 123 goto err; | |
| 124 | |
| 125 if (!DH_check(a, &i)) goto err; | |
| 126 if (i & DH_CHECK_P_NOT_PRIME) | |
| 127 BIO_puts(out, "p value is not prime\n"); | |
| 128 if (i & DH_CHECK_P_NOT_SAFE_PRIME) | |
| 129 BIO_puts(out, "p value is not a safe prime\n"); | |
| 130 if (i & DH_UNABLE_TO_CHECK_GENERATOR) | |
| 131 BIO_puts(out, "unable to check the generator value\n"); | |
| 132 if (i & DH_NOT_SUITABLE_GENERATOR) | |
| 133 BIO_puts(out, "the g value is not a generator\n"); | |
| 134 | |
| 135 BIO_puts(out,"\np ="); | |
| 136 BN_print(out,a->p); | |
| 137 BIO_puts(out,"\ng ="); | |
| 138 BN_print(out,a->g); | |
| 139 BIO_puts(out,"\n"); | |
| 140 | |
| 141 b=DH_new(); | |
| 142 if (b == NULL) goto err; | |
| 143 | |
| 144 b->p=BN_dup(a->p); | |
| 145 b->g=BN_dup(a->g); | |
| 146 if ((b->p == NULL) || (b->g == NULL)) goto err; | |
| 147 | |
| 148 /* Set a to run with normal modexp and b to use constant time */ | |
| 149 a->flags &= ~DH_FLAG_NO_EXP_CONSTTIME; | |
| 150 b->flags |= DH_FLAG_NO_EXP_CONSTTIME; | |
| 151 | |
| 152 if (!DH_generate_key(a)) goto err; | |
| 153 BIO_puts(out,"pri 1="); | |
| 154 BN_print(out,a->priv_key); | |
| 155 BIO_puts(out,"\npub 1="); | |
| 156 BN_print(out,a->pub_key); | |
| 157 BIO_puts(out,"\n"); | |
| 158 | |
| 159 if (!DH_generate_key(b)) goto err; | |
| 160 BIO_puts(out,"pri 2="); | |
| 161 BN_print(out,b->priv_key); | |
| 162 BIO_puts(out,"\npub 2="); | |
| 163 BN_print(out,b->pub_key); | |
| 164 BIO_puts(out,"\n"); | |
| 165 | |
| 166 alen=DH_size(a); | |
| 167 abuf=(unsigned char *)OPENSSL_malloc(alen); | |
| 168 aout=DH_compute_key(abuf,b->pub_key,a); | |
| 169 | |
| 170 BIO_puts(out,"key1 ="); | |
| 171 for (i=0; i<aout; i++) | |
| 172 { | |
| 173 sprintf(buf,"%02X",abuf[i]); | |
| 174 BIO_puts(out,buf); | |
| 175 } | |
| 176 BIO_puts(out,"\n"); | |
| 177 | |
| 178 blen=DH_size(b); | |
| 179 bbuf=(unsigned char *)OPENSSL_malloc(blen); | |
| 180 bout=DH_compute_key(bbuf,a->pub_key,b); | |
| 181 | |
| 182 BIO_puts(out,"key2 ="); | |
| 183 for (i=0; i<bout; i++) | |
| 184 { | |
| 185 sprintf(buf,"%02X",bbuf[i]); | |
| 186 BIO_puts(out,buf); | |
| 187 } | |
| 188 BIO_puts(out,"\n"); | |
| 189 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) | |
| 190 { | |
| 191 fprintf(stderr,"Error in DH routines\n"); | |
| 192 ret=1; | |
| 193 } | |
| 194 else | |
| 195 ret=0; | |
| 196 err: | |
| 197 ERR_print_errors_fp(stderr); | |
| 198 | |
| 199 if (abuf != NULL) OPENSSL_free(abuf); | |
| 200 if (bbuf != NULL) OPENSSL_free(bbuf); | |
| 201 if(b != NULL) DH_free(b); | |
| 202 if(a != NULL) DH_free(a); | |
| 203 BIO_free(out); | |
| 204 #ifdef OPENSSL_SYS_NETWARE | |
| 205 if (ret) printf("ERROR: %d\n", ret); | |
| 206 #endif | |
| 207 EXIT(ret); | |
| 208 return(ret); | |
| 209 } | |
| 210 | |
| 211 static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg) | |
| 212 { | |
| 213 char c='*'; | |
| 214 | |
| 215 if (p == 0) c='.'; | |
| 216 if (p == 1) c='+'; | |
| 217 if (p == 2) c='*'; | |
| 218 if (p == 3) c='\n'; | |
| 219 BIO_write(arg->arg,&c,1); | |
| 220 (void)BIO_flush(arg->arg); | |
| 221 #ifdef LINT | |
| 222 p=n; | |
| 223 #endif | |
| 224 return 1; | |
| 225 } | |
| 226 #endif | |
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