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Function to hash passwords

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An attempt for a semi-random salt in a stored password. It's not stored in the database so I believe it would be harder to discover. Samples should be changed.

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  1. /* the salt, in this case is determined by the second letter of the
  2. password. the string position can be changed in $strPass[x] and of course
  3. the salts can be changed to different values. standard disclaimers
  4. apply. not promised to work. take the code as-is. if you like, find
  5. errors, or use please let me know at luckygreentiger at gmail */
  6.  
  7.     function hashPassword($strPass) {
  8.         $value = $strPass[1];
  9.             if(preg_match("/^[a-f]+/i", $value)) {
  10.                 $salt = "!";
  11.                 }
  12.             else {
  13.                 $salt = "#";
  14.                 }
  15.             if(preg_match("/^[g-m]+/i", $value)) {
  16.                 $salt = "@";
  17.                 }
  18.             if(preg_match("/^[n-s]+/i", $value)) {
  19.                 $salt = "$";
  20.                 }
  21.             if(preg_match("/^[t-z]+/i", $value)) {
  22.                 $salt = "%";
  23.                 }
  24.  
  25.             $strPass .= $salt;
  26.         $hash = hash("sha512", $strPass); // sha512 is 128 characters
  27.         return $hash;
  28.         }

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