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<?php
namespace Laravel\SerializableClosure\Signers;
use Laravel\SerializableClosure\Contracts\Signer;
class Hmac implements Signer
{
/**
* The secret key.
*
* @var string
*/
protected $secret;
/**
* Creates a new signer instance.
*
* @param string $secret
* @return void
*/
public function __construct($secret)
{
$this->secret = $secret;
}
/**
* Sign the given serializable.
*
* @param string $serialized
* @return array
*/
public function sign($serialized)
{
return [
'serializable' => $serialized,
'hash' => base64_encode(hash_hmac('sha256', $serialized, $this->secret, true)),
];
}
/**
* Verify the given signature.
*
* @param array $signature
* @return bool
*/
public function verify($signature)
{
return hash_equals(base64_encode(
hash_hmac('sha256', $signature['serializable'], $this->secret, true)
), $signature['hash']);
}
}