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<?php
/** Trait PasswordTrait
*
* @package DevCoder\Authentication\Core
*
*/
# namespace DevCoder\Authentication\Core;
#
# use DevCoder\Authentication\UserInterface;
trait PasswordTrait
{
private $cost = 10; // Cost must be in the range of 4-31
// a cost value in the range of 8-11
// is a good balance between performance and security
public function cryptPassword(string $plainPassword): string
{
return password_hash($plainPassword, PASSWORD_BCRYPT, ['cost' => $this->cost]);
}
public function isPasswordValid(UserInterface $user, string $plainPassword): bool
{
return password_verify($plainPassword, $user->getPassword());
}
public function setCost(int $cost): void
{
if ($cost < 4 || $cost > 31) {
throw new \InvalidArgumentException('Cost must be in the range of 4-31.');
}
$this->cost = $cost;
}
}
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