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no squeeze phase still works #16

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no squeeze phase still works #16

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15 changes: 1 addition & 14 deletions misc_crypto/keccak/keccak.py
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Original file line number Diff line number Diff line change
Expand Up @@ -133,23 +133,10 @@ def sponge_absorb(state: bytearray, input_bytes: bytes) -> bytearray:
return state


def sponge_squeeze(state: bytearray) -> bytes:
output_bytes = bytearray()
length = DIGEST_BYTES
while length > 0:
block_size = min(length, RATE_BYTES)
output_bytes += state[0:block_size]
length -= block_size
if length > 0:
state = keccak_f1600(state)
return bytes(output_bytes)


def keccak_256(input_bytes: bytes) -> bytes:
state = bytearray([0 for _ in range(WIDTH_BYTES)])
state = sponge_absorb(state, input_bytes)
output_bytes = sponge_squeeze(state)
return output_bytes
return state[:DIGEST_BYTES]


def test_keccak():
Expand Down