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Dragon (cipher)
Dragon is a stream cipher developed at the Information Security Institute by Ed Dawson, Kevin Chen, Matt Henricksen, William Millan, Leonie Simpson, HoonJae Lee, and SangJae Moon.
The cipher is a Phase 3 Focus candidate for the eSTREAM project. The cipher is targeted for fast software implementations and versions with different key lengths exists. The version selected for Phase 3 is Dragon-128. It is not Patented.
Dragon has not been successfully attacked to date, but Cho and Pieprzyk found biases within the primary non-linear component of the cipher.〔http://www.ecrypt.eu.org/stream/papersdir/2007/002.pdf〕 This suggests that the security of the cipher is weaker than intended by its designers.
==External links==
* (eSTREAM page on Dragon )
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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