crypto/evp/evp_test.c

   1 /* Written by Ben Laurie, 2001 */
   2 /*
   3  * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this
  18  *    software must display the following acknowledgment:
  19  *    "This product includes software developed by the OpenSSL Project
  20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  21  *
  22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23  *    endorse or promote products derived from this software without
  24  *    prior written permission. For written permission, please contact
  25  *    openssl-core@openssl.org.
  26  *
  27  * 5. Products derived from this software may not be called "OpenSSL"
  28  *    nor may "OpenSSL" appear in their names without prior written
  29  *    permission of the OpenSSL Project.
  30  *
  31  * 6. Redistributions of any form whatsoever must retain the following
  32  *    acknowledgment:
  33  *    "This product includes software developed by the OpenSSL Project
  34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47  * OF THE POSSIBILITY OF SUCH DAMAGE.
  48  */
  49
  50 #include <stdio.h>
  51 #include <string.h>
  52 #include <openssl/evp.h>
  53 #include <openssl/engine.h>
  54
  55 static void hexdump(FILE *f,const char *title,const unsigned char *s,int l)
  56     {
  57     int n=0;
  58
  59     fprintf(f,"%s",title);
  60     for( ; n < l ; ++n)
  61         {
  62         if((n%16) == 0)
  63             fprintf(f,"\n%04x",n);
  64         fprintf(f," %02x",s[n]);
  65         }
  66     fprintf(f,"\n");
  67     }
  68
  69 static int convert(unsigned char *s)
  70     {
  71     unsigned char *d;
  72
  73     for(d=s ; *s ; s+=2,++d)
  74         {
  75         int n;
  76
  77         if(!s[1])
  78             {
  79             fprintf(stderr,"Odd number of hex digits!");
  80             exit(4);
  81             }
  82         sscanf((char *)s,"%2x",&n);
  83         *d=(unsigned char)n;
  84         }
  85     return s-d;
  86     }
  87
  88 static char *sstrsep(char **string, const char *delim)
  89     {
  90     char isdelim[256];
  91     char *token = *string;
  92
  93     if (**string == 0)
  94         return NULL;
  95
  96     memset(isdelim, 0, 256);
  97     isdelim[0] = 1;
  98
  99     while (*delim)
 100         {
 101         isdelim[(unsigned char)(*delim)] = 1;
 102         delim++;
 103         }
 104
 105     while (!isdelim[(unsigned char)(**string)])
 106         {
 107         (*string)++;
 108         }
 109
 110     if (**string)
 111         {
 112         **string = 0;
 113         (*string)++;
 114         }
 115
 116     return token;
 117     }
 118
 119 static unsigned char *ustrsep(char **p,const char *sep)
 120     { return (unsigned char *)sstrsep((char **)p,sep); }
 121
 122 static void test1(const EVP_CIPHER *c,const unsigned char *key,int kn,
 123                   const unsigned char *iv,int in,
 124                   const unsigned char *plaintext,int pn,
 125                   const unsigned char *ciphertext,int cn)
 126     {
 127     EVP_CIPHER_CTX ctx;
 128     unsigned char out[4096];
 129     int outl,outl2;
 130
 131     printf("Testing cipher %s\n",EVP_CIPHER_name(c));
 132     hexdump(stdout,"Key",key,kn);
 133     if(in)
 134         hexdump(stdout,"IV",iv,in);
 135     hexdump(stdout,"Plaintext",plaintext,pn);
 136     hexdump(stdout,"Ciphertext",ciphertext,cn);
 137
 138     if(kn != c->key_len)
 139         {
 140         fprintf(stderr,"Key length doesn't match, got %d expected %d\n",kn,
 141                 c->key_len);
 142         exit(5);
 143         }
 144     EVP_CIPHER_CTX_init(&ctx);
 145     if(!EVP_EncryptInit(&ctx,c,key,iv))
 146         {
 147         fprintf(stderr,"EncryptInit failed\n");
 148         exit(10);
 149         }
 150     EVP_CIPHER_CTX_set_padding(&ctx,0);
 151
 152     if(!EVP_EncryptUpdate(&ctx,out,&outl,plaintext,pn))
 153         {
 154         fprintf(stderr,"Encrypt failed\n");
 155         exit(6);
 156         }
 157     if(!EVP_EncryptFinal(&ctx,out+outl,&outl2))
 158         {
 159         fprintf(stderr,"EncryptFinal failed\n");
 160         exit(7);
 161         }
 162
 163     if(outl+outl2 != cn)
 164         {
 165         fprintf(stderr,"Ciphertext length mismatch got %d expected %d\n",
 166                 outl+outl2,cn);
 167         exit(8);
 168         }
 169
 170     if(memcmp(out,ciphertext,cn))
 171         {
 172         fprintf(stderr,"Ciphertext mismatch\n");
 173         hexdump(stderr,"Got",out,cn);
 174         hexdump(stderr,"Expected",ciphertext,cn);
 175         exit(9);
 176         }
 177
 178     if(!EVP_DecryptInit(&ctx,c,key,iv))
 179         {
 180         fprintf(stderr,"DecryptInit failed\n");
 181         exit(11);
 182         }
 183     EVP_CIPHER_CTX_set_padding(&ctx,0);
 184
 185     if(!EVP_DecryptUpdate(&ctx,out,&outl,ciphertext,pn))
 186         {
 187         fprintf(stderr,"Decrypt failed\n");
 188         exit(6);
 189         }
 190     if(!EVP_DecryptFinal(&ctx,out+outl,&outl2))
 191         {
 192         fprintf(stderr,"DecryptFinal failed\n");
 193         exit(7);
 194         }
 195
 196     if(outl+outl2 != cn)
 197         {
 198         fprintf(stderr,"Plaintext length mismatch got %d expected %d\n",
 199                 outl+outl2,cn);
 200         exit(8);
 201         }
 202
 203     if(memcmp(out,plaintext,cn))
 204         {
 205         fprintf(stderr,"Plaintext mismatch\n");
 206         hexdump(stderr,"Got",out,cn);
 207         hexdump(stderr,"Expected",plaintext,cn);
 208         exit(9);
 209         }
 210
 211     printf("\n");
 212     }
 213
 214 static int test_cipher(const char *cipher,const unsigned char *key,int kn,
 215                        const unsigned char *iv,int in,
 216                        const unsigned char *plaintext,int pn,
 217                        const unsigned char *ciphertext,int cn)
 218     {
 219     const EVP_CIPHER *c;
 220
 221     c=EVP_get_cipherbyname(cipher);
 222     if(!c)
 223         return 0;
 224
 225     test1(c,key,kn,iv,in,plaintext,pn,ciphertext,cn);
 226
 227     return 1;
 228     }
 229
 230 static int test_digest(const char *digest,
 231                        const unsigned char *plaintext,int pn,
 232                        const unsigned char *ciphertext, int cn)
 233     {
 234     const EVP_MD *d;
 235     EVP_MD_CTX ctx;
 236     unsigned char md[EVP_MAX_MD_SIZE];
 237     unsigned int mdn;
 238
 239     d=EVP_get_digestbyname(digest);
 240     if(!d)
 241         return 0;
 242
 243     printf("Testing digest %s\n",EVP_MD_name(d));
 244     hexdump(stdout,"Plaintext",plaintext,pn);
 245     hexdump(stdout,"Digest",ciphertext,cn);
 246
 247     EVP_MD_CTX_init(&ctx);
 248     if(!EVP_DigestInit(&ctx,d))
 249         {
 250         fprintf(stderr,"DigestInit failed\n");
 251         exit(100);
 252         }
 253     if(!EVP_DigestUpdate(&ctx,plaintext,pn))
 254         {
 255         fprintf(stderr,"DigestUpdate failed\n");
 256         exit(101);
 257         }
 258     if(!EVP_DigestFinal(&ctx,md,&mdn))
 259         {
 260         fprintf(stderr,"DigestFinal failed\n");
 261         exit(101);
 262         }
 263     EVP_MD_CTX_cleanup(&ctx);
 264
 265     if(mdn != cn)
 266         {
 267         fprintf(stderr,"Digest length mismatch, got %d expected %d\n",mdn,cn);
 268         exit(102);
 269         }
 270
 271     if(memcmp(md,ciphertext,cn))
 272         {
 273         fprintf(stderr,"Digest mismatch\n");
 274         hexdump(stderr,"Got",md,cn);
 275         hexdump(stderr,"Expected",ciphertext,cn);
 276         exit(103);
 277         }
 278
 279     printf("\n");
 280
 281     return 1;
 282     }
 283
 284 int main(int argc,char **argv)
 285     {
 286     const char *szTestFile;
 287     FILE *f;
 288
 289     if(argc != 2)
 290         {
 291         fprintf(stderr,"%s <test file>\n",argv[0]);
 292         exit(1);
 293         }
 294     CRYPTO_malloc_debug_init();
 295     CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 296     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 297
 298     szTestFile=argv[1];
 299
 300     f=fopen(szTestFile,"r");
 301     if(!f)
 302         {
 303         perror(szTestFile);
 304         exit(2);
 305         }
 306
 307     /* Load up the software EVP_CIPHER and EVP_MD definitions */
 308     OpenSSL_add_all_ciphers();
 309     OpenSSL_add_all_digests();
 310     /* Load all compiled-in ENGINEs */
 311     ENGINE_load_builtin_engines();
 312
 313     for( ; ; )
 314         {
 315         char line[4096];
 316         char *p;
 317         char *cipher;
 318         unsigned char *iv,*key,*plaintext,*ciphertext;
 319         int kn,in,pn,cn;
 320
 321         if(!fgets((char *)line,sizeof line,f))
 322             break;
 323         if(line[0] == '#' || line[0] == '\n')
 324             continue;
 325         p=line;
 326         cipher=sstrsep(&p,":");
 327         key=ustrsep(&p,":");
 328         iv=ustrsep(&p,":");
 329         plaintext=ustrsep(&p,":");
 330         ciphertext=ustrsep(&p,"\n");
 331
 332         kn=convert(key);
 333         in=convert(iv);
 334         pn=convert(plaintext);
 335         cn=convert(ciphertext);
 336
 337         if(!test_cipher(cipher,key,kn,iv,in,plaintext,pn,ciphertext,cn)
 338            && !test_digest(cipher,plaintext,pn,ciphertext,cn))
 339             {
 340             fprintf(stderr,"Can't find %s\n",cipher);
 341             exit(3);
 342             }
 343         }
 344
 345     ENGINE_cleanup();
 346     EVP_cleanup();
 347     CRYPTO_cleanup_all_ex_data();
 348     ERR_remove_state(0);
 349     ERR_free_strings();
 350     CRYPTO_mem_leaks_fp(stderr);
 351
 352     return 0;
 353     }