Broken stream ciphers

F-FCSR

In cryptography, F-FCSR is a stream cipher developed by Thierry Berger, François Arnault, and Cédric Lauradoux. The core of the cipher is a Feedback with Carry Shift Register (FCSR) automaton, which is similar to a LFSR, but they perform operations with carries so their transition function is nonlinear. F-FCSR was one of the eight algorithms selected for the eCRYPT network's eSTREAM Portfolio, but it was later removed because further analysis showed weaknesses. (Wikipedia).

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From playlist CS101

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Related pages

ESTREAM | Cryptography | Feedback with Carry Shift Registers | Stream cipher