41774259081336_page_6

41774259081336 | page 6 | https://thedailydialectics.com/pdfs/FIOA/41774259081336/41774259081336.pdf

b. ARSAM D21 The AFSAM D21 is a manually operated, tape-printing, literal cipher device using a five level one-time key tape. It is intended to replace one-time pads in some limited applications. The case, printing mechanism, and the bar drum of the M-209 are used; the key wheels are replaced by a…