Editing C-52 (cipher machine) (section)

==External links==
{{Commons category|CX-52}}
* H. Paul Greenough, Cryptanalysis of the Hagelin C-52 and similar machines a known plaintext attack, ''Cryptologia'', 23(2), July 1999, pp139&ndash;156.
* Louis Kruh, The Hagelin Cryptographer, Type C-52, ''Cryptologia'' 3(2), April 1979, pp78&ndash;82.
* Jan Bury, [http://www.tandfonline.com/doi/abs/10.1080/01611190902742467 From the Archives: CX-52 Messages Read by Red Poles?], ''Cryptologia'' 33(4), October 2009, pp347&ndash;352.
* Jan Bury, [http://www.tandfonline.com/doi/abs/10.1080/01611194.2012.713804 Polish Cold War Codebreaking of 1959–1989: A Preliminary Assessment], ''Cryptologia'' 36(4), October 2012, pp341&ndash;379.
* [https://www.ciphermachinesandcryptology.com/en/c52tech.htm Technical details of the C-52 and CX-52] Encryption principle and machine variations, by Dirk Rijmenants
* [https://www.ciphermachinesandcryptology.com/en/bc-52.htm Dirk Rijmenants' Hagelin BC-52 Simulator]
* {{usurped|1=[https://web.archive.org/web/20021202035859/http://hem.passagen.se/tan01/cx52.html The HAGELIN cryptographer CX-52]}} by Torbjorn Andersson &mdash; a write-up, photograph and a [[QBASIC]] simulator.
* [http://www.jproc.ca/crypto/cx52.html Jerry Proc's page on the CX-52] &mdash; also covers the B-52 keyboard unit.
* Photographs: [https://web.archive.org/web/20060226123506/http://home.ca.inter.net/~hagelin/C52-1.jpg], [https://web.archive.org/web/20060226123417/http://home.ca.inter.net/~hagelin/C52-2.jpg], [https://web.archive.org/web/20050116072449/http://www.deathstar.ch/security/encryption/history/images/CX-52_01.jpg], [http://www.apprendre-en-ligne.net/crypto/instruments/cx52.jpg], [https://web.archive.org/web/20050217070503/http://www.eclipse.net/~dhamer/images/A143082_022As.JPG], [https://web.archive.org/web/20050211103205/http://www.homeworlds.com/crypto/Cipher_Machines_Pictures.html]
* [http://www.jproc.ca/crypto/hell54.html Jerry Proc's page on the Hell 54] &mdash; a licensed copy of the C-52 by Hell
* [http://www.codasaurus.com/ubb/Forum29/HTML/000040.html Descriptions from sales of C-52 and CX-52 equipment]
* [https://web.archive.org/web/20080725085317/http://www.gemmary.com/instcat/11/11-001.html CX-52 Cryptographic Machine & B-52 Motorized Base]
* [http://scz.bplaced.net/mfs_zco.html#cx52 CX-52-related Stasi files]

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[[Category:Encryption devices]]