Keccak is a versatile cryptographic function. Best known as a hash function, it nevertheless can also be used for authentication, (authenticated) encryption and pseudo-random number generation. Its structure is the extremely simple sponge construction and internally it uses the innovative Keccak-f cryptographic permutation.
Keccak is the winner of SHA-3 competition, standardized in 3GPP TS 35.231, FIPS 202 and SP 800-185.
Designed by Guido Bertoni, Joan Daemen, Michaël Peeters and Gilles Van Assche.
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