Definitions Edit

Entropy is

In the case of transmitted messages, a measure of the amount of information that is missing before reception.[1]
[a] measure of the amount of uncertainty that an attacker faces to determine the value of a secret."[2]

References Edit

  1. Guidelines for Smart Grid Cyber Security, Vol. 3, at I-4.
  2. NIST Special Publication 800-63, at 5.

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