15 lines
315 B
Python
15 lines
315 B
Python
def signature(data: bytes) -> tuple[bytes, bytes, bytes]:
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assert len(data) == (1 + 32 + 32)
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v = data[0:1]
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data = data[1:]
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r = data[0:32]
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data = data[32:]
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s = data[0:32]
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return v, r, s
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def challenge(data: bytes) -> int:
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assert len(data) == 4
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return int.from_bytes(data, "big")
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