An encrypted form of the KMS key. This object may only be
read or written when
hpSwitchAuthenticationEncryptCredentialsMethod is set to a
value other than none(0). At most one of
hpSwitchKmsKeyStr and hpSwitchKmsKeyEncrypted may be set
in any transaction. This object should only be written
with an encrypted key previously read from a compatible
HP Networking device.