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By: a guest on May 2nd, 2012  |  syntax: None  |  size: 0.56 KB  |  hits: 14  |  expires: Never
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  1. /* CUT */
  2.  
  3.  
  4. #define SHABUFLEN (SHA1_DIGEST_LENGTH * 2)
  5.  
  6. char *sha1_hash(const char *s, size_t size) {
  7.  
  8.     static char shabuf[SHABUFLEN + 1];
  9.     unsigned char digestbuf[SHA1_DIGEST_LENGTH];
  10.     int i;
  11.     SHA1_CTX digest;
  12.  
  13.     SHA1Init(&digest);
  14.  
  15.     SHA1Update(&digest, (unsigned char *) s, size);
  16.     SHA1Update(&digest, (unsigned char *) cloak_key, cloak_key_len);
  17.  
  18.     SHA1Final(digestbuf, &digest);
  19.  
  20.     for (i = 0; i < SHA1_DIGEST_LENGTH; i++)
  21.         snprintf(shabuf+2*i, sizeof(shabuf) - 2*i, "%02x", digest[i]);
  22.     shabuf[SHABUFLEN] = '\0';
  23.  
  24.     return shabuf;
  25. }
  26.  
  27. /* CUT */
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