Function getKeyObjectAsymmetricKeyDetails

lib/internal/crypto/keys.js:940–968

* Returns the KeyObject's cached asymmetric key details, bypassing the * public `asymmetricKeyDetails` getter (which returns a cloned copy). * The value is derived lazily from the cached KeyObjectHandle. * @param {PublicKeyObject|PrivateKeyObject} key * @returns {object}

(key)

 * @returns {object}
 */
function getKeyObjectAsymmetricKeyDetails(key) {
  const slots = getKeyObjectSlots(key);
  if (slots[kKeyObjectSlotType] === kKeyTypeSecret)
    throw new ERR_INVALID_THIS('AsymmetricKeyObject');

  let cached = slots[kKeyObjectSlotAsymmetricKeyDetails];
  if (cached === undefined) {
    let asymmetricKeyType = slots[kKeyObjectSlotAsymmetricKeyType];
    if (asymmetricKeyType === undefined) {
      asymmetricKeyType = slots[kKeyObjectSlotHandle].getAsymmetricKeyType();
      slots[kKeyObjectSlotAsymmetricKeyType] = asymmetricKeyType;
    }
    switch (asymmetricKeyType) {
      case 'rsa':
      case 'rsa-pss':
      case 'dsa':
      case 'ec':
        cached = normalizeKeyDetails(
          slots[kKeyObjectSlotHandle].keyDetail({ __proto__: null }),
        );
        break;
      default:
        cached = kEmptyObject;
        break;
    }
    slots[kKeyObjectSlotAsymmetricKeyDetails] = cached;
  }
  return cached;
}

function isKeyObject(obj) {
  if (obj == null || typeof obj !== 'object')