ORA-46685：invalid master key identifier or master key value

错误原因：The master key identifier or master key value was invalid. To be valid, the values supplied for both the master key identifier and the master key value must be hex-encoded and must have the following properties:- For a master key value to be valid, its length must be a valid key length for the specified encryption algorithm.- For a master key identifier to be valid, it must have a length of 16 bytes.- For a master key identifier to be valid, it must have a non-zero value.