Definition[]
CRYPTO is
| “ | [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[]
"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.