crypto/pem/ctx_size.c

   1 /* crypto/pem/ctx_size.c */
   2 /* Copyright (C) 1995-1997 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 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include "evp.h"
  62
  63 int main(argc,argv)
  64 int argc;
  65 char *argv[];
  66         {
  67         int i,j;
  68         char buf[256];
  69
  70         for (;;)
  71                 {
  72                 char *str;
  73                 buf[0]='\0';
  74                 fgets(buf,256,stdin);
  75                 if (buf[0] == '\0') break;
  76
  77                 str="#define EVP_ENCODE_CTX_SIZE ";
  78                 if (strncmp(buf,str,strlen(str)) == 0)
  79                         {
  80                         printf("%s %d\n",str,(int)sizeof(EVP_ENCODE_CTX));
  81                         continue;
  82                         }
  83                 str="#define EVP_MD_SIZE ";
  84                 if (strncmp(buf,str,strlen(str)) == 0)
  85                         {
  86                         printf("%s %d\n",str,(int)sizeof(EVP_MD));
  87                         continue;
  88                         }
  89                 str="#define EVP_MD_CTX_SIZE ";
  90                 if (strncmp(buf,str,strlen(str)) == 0)
  91                         {
  92                         printf("%s %d\n",str,(int)sizeof(EVP_MD_CTX));
  93                         continue;
  94                         }
  95                 str="#define EVP_CIPHER_SIZE ";
  96                 if (strncmp(buf,str,strlen(str)) == 0)
  97                         {
  98                         printf("%s %d\n",str,(int)sizeof(EVP_CIPHER));
  99                         continue;
 100                         }
 101                 str="#define EVP_CIPHER_CTX_SIZE ";
 102                 if (strncmp(buf,str,strlen(str)) == 0)
 103                         {
 104                         printf("%s %d\n",str,(int)sizeof(EVP_CIPHER_CTX));
 105                         continue;
 106                         }
 107
 108                 str="#define EVP_MAX_MD_SIZE ";
 109                 if (strncmp(buf,str,strlen(str)) == 0)
 110                         {
 111                         i=MD2_DIGEST_LENGTH;
 112                         j=MD5_DIGEST_LENGTH;
 113                         if (j > i) i=j;
 114                         j=SHA_DIGEST_LENGTH;
 115                         if (j > i) i=j;
 116                         printf("%s %d\n",str,i);
 117                         continue;
 118                         }
 119                 fputs(buf,stdout);
 120                 }
 121         exit(0);
 122         }