According to the Keccak home page, it can be used for "keyed or randomized modes simply by prepending a key or salt to the input message." http://keccak.noekeo

According to the Keccak home page, it can be used for "keyed or randomized modes simply by prepending a key or salt to the input message." http://keccak.noekeon.org/ http://keccak.noekeon.org/