I'm working on implementation of keccak algorithm and have one problem. Tell me please, takeing an example "test": will state (before block permutations, but after padding - pad10*1) look like this: ...
Page 15 of the Keccak reference (PDF) explains that the $Chi$ step mapping of the Keccak-f permutation in Keccak is defined to be “nonlinear mapping”. Without this, the complete permutation would be ...
In rho step of SHA3, I have done right circular rotation whether its correct ?? I am doing in Verilog so I am using concatenation operator for rotation. For x=0 and y=1 that is A rotation will ...