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View Code? Open in Web Editor NEWHaraka is a secure and efficient short-input hash function.
License: MIT License
Haraka is a secure and efficient short-input hash function.
License: MIT License
Hi! I'm a student currently working on turning Haraka_v2 to HDL languages.
When I'm tracing the code ref.py, I've noticed that RC
is consistent with the Round Constants defined in the Haraka v2 โ Efficient Short-Input Hashing for Post-Quantum Applications .
However, it seems that the round constant used in each round of AES round function goes wrong.
def convRC(rc):
rcstr = hex(rc)[2:-1].zfill(32)
return [int(rcstr[i:i + 2], 16) for i in range(0, 32, 2)]
The code above would drop 4 least significant bits while converting each RC
to 16 words state, resulting in adding 4 0 bits on the MSB side.
Thank you for the time reading my questions, I think rcstr = hex(rc)[2:].zfill(32)
should fix the inconsistency.
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