public static function JwtHsKeyType::generateKeyValue in JSON Web Token Authentication (JWT) 8.0

Same name and namespace in other branches

1. 8 src/Plugin/KeyType/JwtHsKeyType.php \Drupal\jwt\Plugin\KeyType\JwtHsKeyType::generateKeyValue()

Generate a key value of this type using the submitted configuration.

Parameters

array $configuration: The configuration for the key type plugin.

Return value

string The generated key value.

Overrides KeyTypeInterface::generateKeyValue

File

src/Plugin/KeyType/JwtHsKeyType.php, line 74

Class

JwtHsKeyType

Defines a key type for JWT HMAC Signatures.

Namespace

Drupal\jwt\Plugin\KeyType

Code

public static function generateKeyValue(array $configuration) {
  $algorithm_keysize = self::getAlgorithmKeysize();
  $algorithm = $configuration['algorithm'];
  if (!empty($algorithm) && isset($algorithm_keysize[$algorithm])) {
    $bytes = $algorithm_keysize[$algorithm] / 8;
  }
  else {
    $bytes = $algorithm_keysize['HS256'] / 8;
  }
  $random_key = Crypt::randomBytes($bytes);
  return $random_key;
}