The Pike stream cipher was invented by Ross Anderson to be a "leaner and meaner" version of FISH after he broke FISH in 1994; the name is a humorous allusion to the Pike fish. The cipher combines ideas from A5 with the Lagged Fibonacci generators used in FISH. It is about 10% faster than FISH, yet believed to be much stronger. It potentially has a huge key length, and no attacks have been published as of 2004[update].
- Ross Anderson, «On Fibonacci Keystream Generators», Ross Andersonm 1994.
- On Fibonacci Keystream Generators, Ross Anderson, 27-Jul-2006.
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