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Information (usually a
sequence of random or pseudo-random binary digits) used initially to
set up and periodically change the operations performed in
crypto-equipment for the purpose of encrypting or decrypting
electronic signals, for determining electronic
counter-countermeasures patterns (e.g., frequency hopping or spread
spectrum), or for producing other key. NOTE: "Key" has replaced the
terms "variable," "key(ing) variable," and "cryptovariable." |
