The embodiment of one (or more) cryptographic algorithm(s) along with alarms, checks, and other processes essential to effective and secure performance of the cryptgraphic process(es).
Note: In non-technical terms, a comprehensive and precisely defined sequence of steps or procedural rules used to produce cipher text from plain text and vice versa.
Source(s):
CNSSI 4009-2015
from
CNSSI 4005 - NSA/CSS Manual Number 3-16 (COMSEC)