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Revision as of 18:07, 29 May 2025
Nivel de destreza
2
Año
2009
Version
29.09.2025
Autoridad de aprobación
Unión de Asia del Sureste
_AY_Honor.png)
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The word cipher comes from the Arabic word SIFR, meaning "empty" or "zero."
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Scytale in Greek means a baton.
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The first Enigma was invented by German engineer Arthur Scherbius at the end of World War I.
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Code talkers refer to Native American soldiers who talk using a coded language to transmit secret messages over the radio.
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The Navajo language was an unpublished language and no books in Navajo had ever been published.
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The decree by Ptolemy V written on the Rosetta Stone appears in three languages.
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A transposition cipher is a method of encryption by which the positions held by units of plain text are shifted according to a regular system to create the cipher text.
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A substitution cipher is a method of encryption by which the units of the plain text are replaced with other symbols which need not be the same as those used in the plain text.
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