enum Encryption {
  ftpEncryptionUnknown = 0,
  ftpEncryptionDES = 1,
  ftpEncryption3DES = 2,
  ftpEncryptionAES128 = 3,
  ftpEncryptionAES192 = 4,
  ftpEncryptionAES256 = 5,
  ftpEncryptionCAST128 = 6,
  ftpEncryptionBlowfish = 7,
  ftpEncryptionNone = 8,
  ftpEncryptionAES128CTR = 9,
  ftpEncryptionAES192CTR = 10,
  ftpEncryptionAES256CTR = 11,
  ftpEncryptionRC4 = 12,
  ftpEncryptionRC4128 = 13,
  ftpEncryptionRC4256 = 14,
  ftpEncryptionRijndael128 = 15,
  ftpEncryptionRijndael192 = 16,
  ftpEncryptionRijndael256 = 17,
  ftpEncryptionRijndaelCBC = 18
};