public function verifyHMAC($data)
{
$data = base64_decode($data);
if (Utils::binaryStrlen($data) <= 32) {
return false;
}
$hash = Utils::binarySubstr($data, -32, 32);
$data = Utils::binarySubstr($data, 0, -32);
$newhash = hash_hmac('sha256', $data, $this->getHMACSecret(), true);
return Utils::compareStr($hash, $newhash) ? $data : false;
}
/**
* Verify the input against an existing Hash
*
* The function will determine the Hash algorithm and parameters from the
* $existingHash.
*
* @param sting $input
* @param string $existingHash
*
* @return True if the input matches the existing Hash
*/
public function verify($input, $existingHash)
{
$hash = crypt($input, $existingHash);
return Utils::compareStr($existingHash, $hash);
}
