Compartmented Mode Workstation Labeling: Encodings Format

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Updated: July 2014
 
 

Specifying the User Accreditation Range

The encodings for classifications and sensitivity label words specify which potential sensitivity labels are well formed. Based on these encodings alone, every potential sensitivity label may not be well formed. Given the compartments A, B, and C from the above example, if compartment C has a REQUIRED COMBINATION of C A, then compartment C can never appear in a well formed label without compartment A. Thus, the well formed sensitivity labels in the example would be:

TS TS A TS B TS A B TS A C TS A B C

The user accreditation range specification is stated in terms of the set of well formed sensitivity labels.

Whereas the above examples dealt with the classification TS only, specifying a user accreditation range in general requires specifying the compartment combinations valid with each classification in the user accreditation range. Furthermore, specifying the valid compartment combinations, in the case where all well formed combinations are not valid, can be done by specifying those combinations are valid, or by specifying those combinations that are not valid.

There must be one or more user accreditation range specifications. There should be one specification for each classification that appears in a sensitivity label in the user accreditation range. Each specification consists of a classification= keyword followed by one of the keywords all compartment combinations valid, all compartment combinations valid except:, or only valid compartment combinations:, as described below.