20 lines
341 B
Python
20 lines
341 B
Python
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#!/usr/bin/env python3
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import sys
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import os
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with open('./disk.img', 'rb') as f:
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data = f.read()
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blocks = [data[i * 0x1000:(i * 0x1000) + 0x1000] for i in range(len(data) // 0x1000)]
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clear = bytearray()
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for block in blocks:
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x = 0
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for b in block:
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c = x ^ b
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clear.append(c)
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x = c
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os.write(1, clear)
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