The '''[[Cayley-Purser algorithm]]''' was published in early [[1999]] by [[Ireland|Irishwoman]] [[Sarah Flannery]], who was sixteen years old at the time. She named the [[cryptography|cryptographic]] [[algorithm]] for [[mathematician]] [[Arthur Cayley]] and [[Michael Purser]], founder of [[Baltimore Technologies]], a [[Dublin]] data security company. Flannery had the idea for the algorithm during an [[internship]] with [[Baltimore Technologies]].
The [[CayleyCayler-Purser algorithm]] should have been some 22 times faster than the [[RSA]] process, because it uses a simpler [[mathematical function]]. For her work, Flannery received first prize in an Irish competition for young scientists. She subsequently discovered an attack on her algorithm, but she analyzed it and included it as an appendix in later competitions, including a Europe-wide competition in which she won a major award.
== Book ==
[[Sarah Flannery]]andund [[David Flannery]], ''[[In Code: A Mathematical Journey]]'', ISBN 0761123849 (paperback)
== External links ==
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The [[Cayley-Purser algorithm]] is famous, because it was orginally announced that is was a [[Public-key]] but it is really a [[Private-key]]([[one-key]],[[Symmetric key algorithm]]) cryptosystem, because too much information is leaked in the [[Cayley-Purser algorithm]]. -[[Sarah Flannery]], "[[In Code]]" It can not securly function as a public and private key cryptosystem.
