Cypher: Difference between revisions
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A '''cypher''' is an algorithm for [[encryption]] and [[decryption]]. Cypher is commonly spelled as cipher. The word Cypher is also in French as ''cifre'' and Latin as ''cifra,'' from the Arabic word ''sifr'' (zero). |
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The word “cipher” in past times meant “zero” and had the same origin (see [[0 (number)#Etymology|Zero — Etymology]]), and later was used for any decimal even any number. |
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Revision as of 02:15, 5 January 2008
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