DeviceLock Service : Managing DeviceLock Service for Windows : Permissions (Regular Profile) : Permissions Dialog Box : “Encrypted” Rights Category
  
“Encrypted” Rights Category
“Encrypted” access rights apply to devices that DeviceLock recognizes as encrypted (see also Encryption for further details). The following rights are available in this category:
Read - Enables data reading from an encrypted device. Applies only to the Removable device type.
Write - Enables data writing to an encrypted device. This right can be enabled only if Read is selected in the Encrypted group. Applies only to the Removable device type.
Format - Enables the formatting, checking, and any other direct access of encrypted drives. This right can be enabled only if Read is selected in the Encrypted group. Applies only to the Removable device type.