Mfonte\Base62x\Encryption\Cypher\Decrypt

Complexity

Total Complexity

4

Size/Duplication

Total Lines	13
Duplicated Lines	0 %

Importance

Changes	1
Bugs	1	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	token()	0	11	4

<?php

namespace Mfonte\Base62x\Encryption\Cypher;

class Decrypt
{
    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
    }
}