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<?php
namespace Illuminate\Hashing;
use RuntimeException;
use Illuminate\Contracts\Hashing\Hasher as HasherContract;
class BcryptHasher implements HasherContract
{
/**
* Default crypt cost factor.
*
* @var int
*/
protected $rounds = 10;
/**
* Hash the given value.
*
* @param string $value
* @param array $options
* @return string
*
* @throws \RuntimeException
*/
public function make($value, array $options = [])
{
$cost = isset($options['rounds']) ? $options['rounds'] : $this->rounds;
$hash = password_hash($value, PASSWORD_BCRYPT, ['cost' => $cost]);
if ($hash === false) {
throw new RuntimeException('Bcrypt hashing not supported.');
}
return $hash;
}
/**
* Check the given plain value against a hash.
*
* @param string $value
* @param string $hashedValue
* @param array $options
* @return bool
*/
public function check($value, $hashedValue, array $options = [])
{
if (strlen($hashedValue) === 0) {
return false;
}
return password_verify($value, $hashedValue);
}
/**
* Check if the given hash has been hashed using the given options.
*
* @param string $hashedValue
* @param array $options
* @return bool
*/
public function needsRehash($hashedValue, array $options = [])
{
$cost = isset($options['rounds']) ? $options['rounds'] : $this->rounds;
return password_needs_rehash($hashedValue, PASSWORD_BCRYPT, ['cost' => $cost]);
}
/**
* Set the default password work factor.
*
* @param int $rounds
* @return $this
*/
public function setRounds($rounds)
{
$this->rounds = (int) $rounds;
return $this;
}
}