Definitions Edit

Strength of function is

an estimate of the effort required by an attacker to defeat a security feature in a product. . . .[1]
[c]riterion expressing the minimum efforts assumed necessary to defeat the specified security behavior of an implemented security function by directly attacking its underlying security mechanisms.[2]

Overview Edit

"Strength of function has as a prerequisite that assumes that the underlying security mechanisms are correctly implemented. The concept of strength of functions may be equally applied to services or other capability-based abstraction provided by security mechanisms."[3]

References Edit

  1. DoD Biometric Standards Development: Recommended Approach, at 19.
  2. NIST Special Publication 800-160, at B-13.
  3. Id.

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