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ISAAC (cipher)

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This is an old revision of this page, as edited by Securiger (talk | contribs) at 10:50, 13 August 2003 (clarified some links, corrected a date). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

ISAAC is a symmetric key, secret key, stream cipher designed in 1996 by Bob Jenkins. The name is an acronym for Indirection, Shift, Accumulate, Add, and Count.

ISAAC is one of a family of ciphers inspired by RC4. It is extremely fast on 32 bit word machines, taking about 19 operations to output each 32 bit pseudorandom word.

See also: cryptography, stream ciphers

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