(fwd) cisco password encryption (type 7)

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Hi

:)

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ƒ *Forwarded by* Timur Hi-Rullin (2:5049/49)
ƒ *Area* : RU.CISCO (Auto-created by fastecho area...)
ƒ *From* : Alexey Pilieff , 2:5100/50 (28/11/97 14:27:26)
ƒ *To* : Tatiana Gudkova ()
ƒ *Subj* : cisco password encryption (type 7)
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þÅÔ×ÅÒÇ  ÏÑÂÒØ 27 1997 17:58, Tatiana Gudkova wrote to Dmitry Valdov:

 DV>> ëÓÔÁÔÉ, ÎÁpÏÄ × ËÕpÓÅ, ÞÔÏ
 DV>> password 7 XXXXXX pÁÓÛÉÆpÏ×Ù×ÁÅÔÓÑ ÂÅÚ ÐpÏÂÌÅÍ?
 TG> á ËÁË, ËÓÔÁÔÉ? ðÏ ËÁËÏÍy ÁÌÇÏpÉÔÍy ÈÜÛÉpyÅÔÓÑ? íÏÖÅÔ ÐpÏÇÁ ËÁËÁÑ ÅÓÔØ?

íÏÖÅÔ É ÅÓÔØ

=== Cut ===
/*
 * Cisco password decrypter V2.0
 *  (c) 1995 by SPHiXe
 *
 * DISCLAIMER: The author of this program takes no responsibility for
 *             neither direct nor indirect damages caused by this program.
 *             Misuse of this program may lead to serious problems with
 *             your local authorities...
 *             You should know what you're doing.
 */


#include 
#include 

char xlat[] = {
 0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f,
 0x41, 0x2c, 0x2e, 0x69, 0x79, 0x65, 0x77, 0x72,
 0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44
};

char pw_str1[] = "password 7 ";
char pw_str2[] = "enable-password 7 ";

char *pname;

cdecrypt(enc_pw, dec_pw)
char *enc_pw;
char *dec_pw;
{
 unsigned int seed, i, val = 0;

 if(strlen(enc_pw) & 1)
  return(-1);

 seed = (enc_pw[0] - '0') * 10 + enc_pw[1] - '0';

 if (seed > 15 || !isdigit(enc_pw[0]) || !isdigit(enc_pw[1]))
  return(-1);

 for (i = 2 ; i <= strlen(enc_pw); i++) {
  if(i !=2 && !(i & 1)) {
   dec_pw[i / 2 - 2] = val ^ xlat[seed++];
   val = 0;
  }

  val *= 16;

  if(isdigit(enc_pw[i] = toupper(enc_pw[i]))) {
   val += enc_pw[i] - '0';
   continue;
  }

  if(enc_pw[i] >= 'A' && enc_pw[i] <= 'F') {
   val += enc_pw[i] - 'A' + 10;
   continue;
  }

  if(strlen(enc_pw) != i)
   return(-1);
 }

 dec_pw[++i / 2] = 0;

 return(0);
}

main(argc,argv)
int argc;
char **argv;

{
 FILE *in = stdin, *out = stdout;
 char line[257];
 char passwd[65];
 unsigned int i, pw_pos;

 pname = argv[0];

 if(argc > 1)
 {
  if(argv[1][0] == '-')
  {
   switch(argv[1][1]) {
    case 'p':
    if(cdecrypt(argv[2], passwd)) {
     fprintf(stderr, "Error.\n");
     exit(1);
    }
    fprintf(stdout, "password: %s\n", passwd);
    break;

    default:
    fprintf(stderr, "%s: unknow option.", pname);
   }

   return(0);
  }

  if((in = fopen(argv[1], "rt")) == NULL)
   exit(1);
  if(argc > 2)
   if((out = fopen(argv[2], "wt")) == NULL)
    exit(1);
 }

 while(1) {
  for(i = 0; i < 256; i++) {
   if((line[i] = fgetc(in)) == EOF) {
    if(i)
     break;

    fclose(in);
    fclose(out);
    return(0);
   }
   if(line[i] == '\r')
    i--;

   if(line[i] == '\n')
    break;
  }
  pw_pos = 0;
  line[i] = 0;

  if(!strncmp(line, pw_str1, strlen(pw_str1)))
   pw_pos = strlen(pw_str1);

  if(!strncmp(line, pw_str2, strlen(pw_str2)))
   pw_pos = strlen(pw_str2);

  if(!pw_pos) {
   fprintf(stdout, "%s\n", line);
   continue;
  }

  if(cdecrypt(&line[pw_pos], passwd)) {
   fprintf(stderr, "Error.\n");
   exit(1);
  }
  else {
   if(pw_pos == strlen(pw_str1))
    fprintf(out, "%s", pw_str1);
   else
    fprintf(out, "%s", pw_str2);

   fprintf(out, "%s\n", passwd);
  }
 }
}
=== Cut ===



 TG> Tanya.


For short messages (7bit only)


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            .
          /t[mson          [Team pÁÎÏ ×ÓÔÁ×ÁÔØ suxx]
                           [Team ÐÏ×pÅÍÅÎËÁ mustdie]

-- end of forwarded message --

-- 




                                                      Kittle 




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