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The discovery and application, early on, of frequency analysis to the reading of encrypted communications has, on occasion, altered the course of history. Thus the Zimmermann Telegram triggered the United States' entry into World War I; and Allies reading of Nazi Germany 's ciphers shortened World War II, in some evaluations by as much as two ...
1989 – Quantum cryptography experimentally demonstrated in a proof-of-the-principle experiment by Charles Bennett et al. 1991 – Phil Zimmermann releases the public key encryption program PGP along with its source code, which quickly appears on the Internet. 1994 – Bruce Schneier's Applied Cryptography is published.
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None of these early decoders were in the form of finger rings; however, "secret compartment" rings were common radio program premiums. [2] In the early 1960s, secret decoder rings appeared—notably in conjunction with the Jonny Quest television program sponsored by PF Shoes. A later, less ornate, decoder ring was offered by Kix Cereals. [3]
Pages in category "History of cryptography" The following 103 pages are in this category, out of 103 total. This list may not reflect recent changes. ...
Giambattista della Porta's music cipher from De Furtivis Literarum Notis (1602). In cryptography, a music cipher is an algorithm for the encryption of a plaintext into musical symbols or sounds. Music-based ciphers are related to, but not the same as musical cryptograms.
The fabled music festival, seen as one of the seminal cultural events of the 1960s, took place 60 miles (96.5 kilometers) away in Bethel, New York, an even smaller village than Woodstock. An ...
Kahn, David – The Codebreakers (1967) (ISBN 0-684-83130-9) A single-volume source for cryptographic history, at least for events up to the mid-'60s (i.e., to just before DES and the public release of asymmetric key cryptography). The added chapter on more recent developments (in the most recent edition) is quite thin.