long key cipher
71Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… …
72Jefferson disk — The Jefferson disk, or wheel cypher as Jefferson named it, is a cipher system using 26 wheels, each with the letters of the alphabet arranged randomly around them. First invented by Thomas Jefferson in 1795, it did not become well known and was… …
73Security through obscurity — In cryptography and computer security, security through obscurity (sometimes security by obscurity) is a controversial principle in security engineering, which attempts to use secrecy (of design, implementation, etc.) to provide security. A… …
74Secure Communications Interoperability Protocol — SCIP is the U.S. Government s standard for secure voice and data communication. The acronym stands for Secure Communications Interoperability Protocol and was adopted to replace the FNBDT (Future Narrowband Digital Terminal) title in 2004. SCIP… …
75Crypt (Unix) — In Unix computing, crypt is the name of both a commonly available utility program and a C programming function. Though both are used for encrypting data, they are otherwise essentially unrelated. To distinguish between the two, writers often… …
76Musical notation — Music markup redirects here. For the XML application, see Music Markup Language. Hand written musical notation by J. S. Bach: beginning of the Prelude from the Suite for Lute in G minor BWV 995 (transcription of Cello Suite No. 5, BWV 1011) BR… …
77Orders of magnitude (numbers) — The logarithmic scale can compactly represent the relationship among variously sized numbers. This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantity and probabilities. Each number is… …
78List of One Piece characters — The protagonists of the One Piece series. Clockwise from top: Franky, Usopp (in his Sogeking alias), Nico Robin, Sanji, Monkey D. Luffy, Roronoa Zoro, Nami, Brook and Tony Tony Chopper (at the center). The One Piece manga and anime series… …
79Kasiski examination — In cryptanalysis, Kasiski examination (also referred to as Kasiski s Test or Kasiski s Method) is a method of attacking polyalphabetic substitution ciphers, such as the Vigenère cipher. It was independently developed by Charles Babbage and later… …
80Signal Corps in the American Civil War — U.S. Army Signal Corps station on Elk Mountain, Maryland, overlooking the Antietam battlefield. The Signal Corps in the American Civil War comprised two organizations: the U.S. Army Signal Corps, which began with the appointment of Major Albert J …
