Mfonte\Base62x\Encryption\Cypher\Decrypt::token()

Complexity

Conditions	4
Paths	3

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

<?php
    public static function token($data, $method, $key)
    {
        $iv_strlen = 2 * Bytes::iv($method);
        if (preg_match('/^(.{'.$iv_strlen.'})(.+)$/', $data, $regs)) {
            list(, $iv, $crypted_string) = $regs;
            if (ctype_xdigit($iv) && mb_strlen($iv) % 2 == 0) {
                return openssl_decrypt($crypted_string, $method, $key, 0, hex2bin($iv));
            }
        }

        return false; // failed to decrypt
    }