<?php class Security { public static function encrypt($input, $key) { $size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB); $input = Security::pkcs5_pad($input, $size); $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, ''); $iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND); mcrypt_generic_init($td, $key, $iv); $data = mcrypt_generic($td, $input); mcrypt_generic_deinit($td); mcrypt_module_close($td); $data = base64_encode($data); return $data; } private static function pkcs5_pad ($text, $blocksize) { $pad = $blocksize - (strlen($text) % $blocksize); return $text . str_repeat(chr($pad), $pad); } public static function decrypt($sStr, $sKey) { $decrypted= mcrypt_decrypt( MCRYPT_RIJNDAEL_128, $sKey, base64_decode($sStr), MCRYPT_MODE_ECB ); $dec_s = strlen($decrypted); $padding = ord($decrypted[$dec_s-1]); $decrypted = substr($decrypted, 0, -$padding); return $decrypted; } } $value = "B0585788"; $key = "1234567891234567"; //16 Character Key echo Security::encrypt($value, $key); echo Security::decrypt(Security::encrypt($value, $key), $key); ?>
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