39 lines
809 B
Python
39 lines
809 B
Python
#!/usr/bin/env python3
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from scapy.all import *
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with open("ch1", "rb") as f:
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ch1 = f.read()
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with open("ch2", "rb") as f:
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ch2 = f.read()
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# print(PPP(ch2[0x16a:0x186]).show())
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# print(PPP(ch1[0x171:0x170+70]).show())
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def decode(ch):
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buf2 = b""
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esc = False
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for x in ch:
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if x == 0x7e:
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if buf2 != b"\xFF" and buf2 != b"":
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print(PPP(buf2).__repr__())
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buf2 = b""
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esc = False
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elif esc:
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esc = False
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buf2 += bytes([x^0x20])
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elif x == 0x7d:
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esc = True
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else:
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buf2 += bytes([x])
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if len(buf2) > 0:
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print(PPP(buf2).__repr__())
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print("\n", "=====================", "CH 1", "\n")
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decode(ch1)
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print("\n", "=====================", "CH 2", "\n")
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decode(ch2)
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