Definition Edit


[t]he marking or designator identifying Communications Security keying material used to secure or authenticate telecommunications carrying classified or sensitive Government or Government-derived information.[1]

Overview Edit

"The marking 'CRYPTO' is not a security classification.[2]

NOTE: When written in all upper case letters, CRYPTO has the meaning stated above. When written in lower case as a prefix, crypto and crypt are abbreviations for cryptographic.

References Edit

  1. DOE Manual 470.4-7, at 18.
  2. Communications Security Material System (CMS) Policy and Procedures Manual, at 2-5.

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