Re: Need help reverse engineering a 16-bit CRC.
From: Dave Carroll (not_at_available.net)
Date: 09/09/05
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Date: Thu, 8 Sep 2005 19:59:59 -0600
I don't know if you have looked at this ;
http://www.joegeluso.com/software/articles/ccitt.htm
-Dave
CptanPanic@gmail.com wrote:
> I am working with this modem, that the manual states it uses the
> standard CCITT 16bit CRC, but I cannot get anything to match the
> output. If anyone can help me I would appreciate it. Below are 4
> messages of the same length. The last 2 bytes are the CRC.
>
> 01 02 00 22 00 00 85 B7
> 01 02 00 23 00 00 59 0D
> 01 02 00 24 00 00 5C 61
> 01 02 00 25 00 00 80 3B
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