Function parseKeyEncoding

lib/internal/crypto/keygen.js:140–181

(keyType, options = kEmptyObject)

}

function parseKeyEncoding(keyType, options = kEmptyObject) {
  const { publicKeyEncoding, privateKeyEncoding } = options;

  let publicFormat, publicType;
  if (publicKeyEncoding == null) {
    publicFormat = publicType = undefined;
  } else if (typeof publicKeyEncoding === 'object') {
    ({
      format: publicFormat,
      type: publicType,
    } = parsePublicKeyEncoding(publicKeyEncoding, keyType,
                               'options.publicKeyEncoding'));
  } else {
    throw new ERR_INVALID_ARG_VALUE('options.publicKeyEncoding',
                                    publicKeyEncoding);
  }

  let privateFormat, privateType, cipher, passphrase;
  if (privateKeyEncoding == null) {
    privateFormat = privateType = undefined;
  } else if (typeof privateKeyEncoding === 'object') {
    ({
      format: privateFormat,
      type: privateType,
      cipher,
      passphrase,
    } = parsePrivateKeyEncoding(privateKeyEncoding, keyType,
                                'options.privateKeyEncoding'));
  } else {
    throw new ERR_INVALID_ARG_VALUE('options.privateKeyEncoding',
                                    privateKeyEncoding);
  }

  return [
    publicFormat,
    publicType,
    privateFormat,
    privateType,
    cipher,
    passphrase,
  ];
}

const nidOnlyKeyPairs = {
  '__proto__': null,