Module Interfaces & Behavior
¨ Purpose
How module fits into HLD
¨ Function
The set of operations performed by the module
¨ Interface(s)
Purpose: Operations to which access is provided
Method-of-use: Syntax for calling on the module
operations
Effects: results of “standard” processing
Exceptions: results of “non-standard” processing
Error Messages: for faults and failure
600.436 High-
Assurance Systems
Fall 01/System Security Realization
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