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A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher—or to encrypt a message by working in the opposite direction. [ 1 ] As inexpensive toys, secret decoders have often been used as promotional items by retailers, as well as radio and television programs, from the 1930s through to the ...
A Code-O-Graph-like secret decoder ring was featured in the 1983 movie A Christmas Story as an object of both joy and frustration. Richard Farina - Been Down So Long It Looks Like Up To Me (1966) - talks about it in Chapter one, listing it first in the list of the "only possessions and necessities of his life."
Caesar ciphers can be found today in children's toys such as secret decoder rings. A Caesar shift of thirteen is also performed in the ROT13 algorithm, a simple method of obfuscating text widely found on Usenet and used to obscure text (such as joke punchlines and story spoilers), but not seriously used as a method of encryption. [13]
Another legend from radio days is the "Secret Decoder Ring." No radio program ever offered such a premium, but many are convinced that such existed. By the early 1960s, a "decoder ring" was offered by PF Shoes, in comjunction with the Jonny Quest primetime television cartoon. After that, a few more "decoder rings" were offered, including one by ...
(Reuters) -EBay agreed to pay $59 million and upgrade compliance measures to resolve U.S. Department of Justice allegations it didn't try hard enough to stop criminals from buying devices for ...
A series of three rotors from an Enigma machine, used by Germany during World War II Exploded view of an Enigma machine rotor:1-Notched ring, 2-Dot marking the position of the "A" contact, 3-Alphabet "tyre" or ring, 4-Electrical plate contacts, 5-Wire connections, 6-Spring-loaded pin contacts, 7-Spring-loaded ring adjustment pin, 8-Hub, through which fits the central axle, 9-Finger wheel, 10 ...
In 1923, a US Navy officer acquired a stolen copy of the Secret Operating Code codebook used by the Imperial Japanese Navy during World War I. Photographs of the codebook were given to the cryptanalysts at the Research Desk and the processed code was kept in red-colored folders (to indicate its Top Secret classification). This code was called ...
The only remaining secret of the daily key would be the ring settings, and the Poles would attack that problem with brute force. Most messages would start with the three letters "ANX" (an is German for "to" and the "X" character was used as a space). It may take almost 26×26×26=17576 trials, but that was doable. Once the ring settings were ...