Editing SIGABA (section)

==External links==
* [http://www.maritime.org/ecm2.htm Electronic Cipher Machine (ECM) Mark II] by Rich Pekelney
* [http://cryptocellar.org/simula/sigaba/ SIGABA simulator for Windows 32 bits OS]
* [https://archive.org/details/sigaba-codebook-tool CODEBOOK GENERATOR to create key lists for the Sigaba Simulator] (Windows 98->Win 11)
* ''[http://www.quadibloc.com/crypto/ro0205.htm The ECM Mark II, also known as SIGABA, M-134-C, and CSP-889]'' — by John Savard
* [http://ucsb.curby.net/broadcast/thesis/thesis.pdf Cryptanalysis of SIGABA], Michael Lee, University of California Santa Barbara Masters Thesis, 2003
* [https://www.nsa.gov/Portals/70/documents/about/cryptologic-heritage/historical-figures-publications/publications/technology/The_SIGABA_ECM_Cipher_Machine_A_Beautiful_Idea3.pdf?ver=2019-08-07-124409-850 The SIGABA ECM Cipher Machine - A Beautiful Idea]
* [https://ep.liu.se/ecp/158/005/ecp19158005.pdf A Practical Meet-in-the-Middle Attack on SIGABA] by George Lasry

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