Portex

Portex

Portex (or BID/50/1) was a British cipher machine. A rotor machine, the device used eight rotors each with a tyre ring and an insert. The machine was used mainly by the secret services from the late 1940s to the early 1950s.

ee also

* BID/60
* KL-7

References

* Information card, Bletchley Park "Enigma and Friends" exhibit, put together by David White and John Alexander, October 2005 [http://commons.wikimedia.org/wiki/
] .

External links

* [http://www.jproc.ca/crypto/portex.html Jerry Proc's page on Portex]


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Endotracheal tube — An endotracheal tube (also called an ET tube or ETT) is used in general anaesthesia, intensive care and emergency medicine for airway management and mechanical ventilation. The tube is inserted into a patient s trachea in order to ensure that the …   Wikipedia

  • Enigma machine — Military Enigma machine …   Wikipedia

  • Rotor machine — In cryptography, a rotor machine is an electro mechanical device used for encrypting and decrypting secret messages. Rotor machines were the cryptographic state of the art for a brief but prominent period of history; they were in widespread use… …   Wikipedia

  • Cryptex — Replica cryptex: prize from Google Da Vinci Code Quest Contest The word cryptex is a neologism coined by the author Dan Brown for his 2003 novel The Da Vinci Code, denoting a portable vault used to hide secret messages. It is a combi …   Wikipedia

  • Tuohy needle — Infobox Laboratory equipment name = Tuohy needle caption = A 16G Portex Tuohy needle and epidural catheter. Large rule marks 1 cm apart. acronym = other names = uses = Drug delivery inventor = manufacturer = model = related = Hypodermic needleA… …   Wikipedia

  • SIGSALY — exhibit at the National Cryptologic Museum In cryptography, SIGSALY (also known as the X System, Project X, Ciphony I, and the Green Hornet) was a secure speech system used in World War II for the highest level Allied communications. It pioneered …   Wikipedia

  • NEMA (machine) — The NEMA machine was a Swiss rotor machine, designed to replace commercial Enigma machines. In the history of cryptography, the NEMA (NEue MAschine) ( new machine ), also designated the T D (Tasten Druecker Maschine) ( key stroke machine ), was a …   Wikipedia

  • USS Sea Robin (SS-407) — USS Sea Robin (SS 407), a Balao class submarine, was a ship of the United States Navy named for the sea robin. This is a spiny finned fish with red or brown coloring on its body and fins. The first three rays of its pectoral fin separate from the …   Wikipedia

  • 65th Infantry Regiment (United States) — 65th Infantry Regiment …   Wikipedia

  • Secure voice — (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. Contents 1 History 2 Analog Secure Voice technologies 3 Di …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”