Bibliografia Mark Stamp, Wing On Chan, "SIGABA: Cryptanalysis of the Full Keyspace", Cryptologia v 31, July 2007, pp 201–2222 Rowlett wrote a book about SIGABA (Aegean Press, Laguna Hills, California). Michael Lee, "Cryptanalysis of the Sigaba", Masters Thesis, University of California, Santa Barbara, June 2003 (PDF) (PS). John J. G. Savard and Richard S. Pekelney, "The ECM Mark II: Design, History and Cryptology", Cryptologia, Vol 23(3), July 1999, pp211–228. Crypto-Operating Instructions for ASAM 1, 1949, . CSP 1100(C), Operating Instructions for ECM Mark 2 (CSP 888/889) and CCM Mark 1 (CSP 1600), May 1944, .
Linki zewnętrzne Electronic Cipher Machine (ECM) Mark II Rich Pekelney SIGABA simulator for Windows (Windows 2000-XP) The ECM Mark II, also known as SIGABA, M-134-C, and CSP-889 — John Savard Cryptanalysis of SIGABA, Michael Lee, University of California Santa Barbara Masters Thesis, 2003
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