Python/Numpy implementation of https://norx.io/
This is intended as a reference/educational implementation of NORX.
To create an instance of the round function, you can call
F = norx.NORX_F(32) or F = norx.NORX_F(64)
The NORX_F class has no real state - just initialized with some variables (rotation offsets, data types, etc).
You can get a new state array by calling:
state = F.new(nonce, key)
And just call:
F(state)
to perform a single round.
I've included a handy ufunc 'bitcount' which will count how many bits are set.