Changeset 18111 for trunk/wp-includes/compat.php
- Timestamp:
- 06/02/2011 02:21:09 PM (14 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/wp-includes/compat.php
r17933 r18111 32 32 return implode( '', $chars ); 33 33 } 34 35 if ( !function_exists('hash_hmac') ): 36 function hash_hmac($algo, $data, $key, $raw_output = false) { 37 return _hash_hmac($algo, $data, $key, $raw_output); 38 } 39 endif; 40 41 function _hash_hmac($algo, $data, $key, $raw_output = false) { 42 $packs = array('md5' => 'H32', 'sha1' => 'H40'); 43 44 if ( !isset($packs[$algo]) ) 45 return false; 46 47 $pack = $packs[$algo]; 48 49 if (strlen($key) > 64) 50 $key = pack($pack, $algo($key)); 51 52 $key = str_pad($key, 64, chr(0)); 53 54 $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); 55 $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); 56 57 $hmac = $algo($opad . pack($pack, $algo($ipad . $data))); 58 59 if ( $raw_output ) 60 return pack( $pack, $hmac ); 61 return $hmac; 62 }
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