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A comment on Why Keccak is not ARX. Parent comment
x.0 is 0 and x+1 is 1 (to use combinational logic notation)
Now XOR(x,y) depend on x and y and there are no values that cause the other value to be ignored
I also think the point they make about speed is kinda picking at straws, it's valid for an FPGA, but not so much for a CPU
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x.0 is 0 and x+1 is 1 (to use combinational logic notation)
Now XOR(x,y) depend on x and y and there are no values that cause the other value to be ignored
I also think the point they make about speed is kinda picking at straws, it's valid for an FPGA, but not so much for a CPU