<?php $_url_safe_characters = array ( '-', '_', '', ); $_not_url_safe_characters = array ( '+', '/', '=', ); /* Data */ $key = 'this is a very long key, even too long for the cipher'; $encrypted_price = '-cMgOXQks'; $key = '123456789012345678901234'; $str_iv = 'genieeee'; $encrypted_price = str_replace ( $_url_safe_characters, $_not_url_safe_characters, $encrypted_price ); echo 'encrypted_price = '. $encrypted_price, ','; $encrypted_price = base64_decode ( $encrypted_price ); echo 'decodebase64 = '. $encrypted_price, ','; /* Open module, and create IV */ $td = mcrypt_module_open('des', '', 'cfb', ''); /* Initialize encryption handle */ if (mcrypt_generic_init($td, $key, $str_iv) != -1) { /* Encrypt data */ $decrypted_price = mdecrypt_generic($td, $encrypted_price); /* Clean up */ mcrypt_generic_deinit($td); mcrypt_module_close($td); } echo 'decrypted_price = '. floatval($decrypted_price); ?>
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