spartans_in_darkness

TSP SEeRETHeSMINTIIX1
· / //£0 1. 4 . (c)
('fEll/ElI) During the war, American and Allied
cryptologists would be able to exploit lower level
communist cryptographic systems, that is, more
precisely, ciphers and codes used by operational
and tactical-level units, usually regiment and
below, on an almost routine basis. In fact, the volume
of the so-called low-to-medium-grade systems
exploited by NSA was so great that bv 1968 /i
the exploitation had to be automated. 13 1 1
(5//81) There are problems with this decision,
though. Besides leaving NSA open to the emotional
charge of giving less "than full support,"
as well as the perhaps invidious comparison with
the successful Emgma and PURPLE cryptanalytic
efforts during World War II, there is the
technical problem of the difference in intelligence
derived from T/A and cryptanalysis. Generally
cryptanalysis produces direct intelligence information.
The reading of enemy messages, aside
from the attendant language problem, is a first
hand look into the enemy's planning, intentions,
and purpose. Traffic analysis, on the other hand,
with its emphasis on the exploitation of message
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