note 105099 added to function.hash-hmac

Simple implementation of hmac sha1 <?php function hmac_sha1($key, $data) { // Adjust key to exactly 64 bytes if (strlen($key) > 64) { $key = str_pad(sha1($key, true), 64, chr(0)); } if (strlen($key) < 64) { $key = str_pad($key, 64, chr(0)); } // Outter and Inner pad $opad = str_repeat(chr(0x5C), 64); $ipad = str_repeat(chr(0x36), 64); // Xor key with opad & ipad for ($i = 0; $i < strlen($key); $i++) { $opad[$i] = $opad[$i] ^ $key[$i]; $ipad[$i] = $ipad[$i] ^ $key[$i]; } return sha1($opad.sha1($ipad.$data, true)); } ---- Server IP: 69.147.83.197 Probable Submitter: 12.173.122.163 ---- Manual Page -- http://www.php.net/manual/en/function.hash-hmac.php Edit -- https://master.php.net/note/edit/105099 Del: integrated -- https://master.php.net/note/delete/105099/integrated Del: useless -- https://master.php.net/note/delete/105099/useless Del: bad code -- https://master.php.net/note/delete/105099/bad+code Del: spam -- https://master.php.net/note/delete/105099/spam Del: non-english -- https://master.php.net/note/delete/105099/non-english Del: in docs -- https://master.php.net/note/delete/105099/in+docs Del: other reasons-- https://master.php.net/note/delete/105099 Reject -- https://master.php.net/note/reject/105099 Search -- https://master.php.net/manage/user-notes.php