unbreakable code
51Numbers station — Fictional example of a numbers station. Numbers stations (or number stations) are shortwave radio stations of uncertain origin. In the 1950s, Time magazine reported that the numbers stations first appeared shortly after World War II and were… …
52Ultra — (sometimes capitalised ULTRA) was the name used by the British for intelligence resulting from decryption of encrypted German radio communications in World War II. The term eventually became the standard designation in both Britain and the United …
53Caesar cipher — The action of a Caesar cipher is to replace each plaintext letter with one fixed number of places down the alphabet. This example is with a shift of three, so that a B in the p …
54Brute force attack — In cryptanalysis, a brute force attack is a method of defeating a cryptographic scheme by trying a large number of possibilities; for example, possible keys in order to decrypt a message. In most schemes, the theoretical possibility of a brute… …
55Computer insecurity — This article is about computer security exploits and defenses. For computer security through design and engineering, see computer security. Computer security Secure operating systems Security architecture Security by design Secure coding …
562000 in film —             List of years in film       (table) … 1990 .  1991 .  1992 .  1993  . 1994  . 1995  . 1996 … 1997 1998 1999 2000 2001 2002 2003 …  …
57Glossary of Nazi Germany — Part of a series on Nazism …
58Austin Aries — Aries in November 2007 Ring name(s) Austin Airs Austin Aries[1] (The) Austin Starr[ …
59List of InuYasha chapters — This is a list of chapters of the manga series nihongo|InuYasha|犬夜叉 written by Rumiko Takahashi. The series premiered in Japan in Shonen Sunday on November 13, 1996 and concluded June 18, 2008. The chapters are also being published by Shogakukan… …
60The Love Tour (Westlife) — infobox concert tour concert tour name = The Love Tour artist = Westlife start date = February 21 2007 end date = May 3 2007 number of legs = number of shows = 50 last tour = Face To Face Tour (2006) (7) this tour = The Love Tour (2007) (8) next… …
