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Re: [libredwg] CRC?

From: Ivan
Subject: Re: [libredwg] CRC?
Date: Thu, 16 Sep 2010 22:13:38 +0200

2010/9/16 Till Heuschmann <address@hidden>:
> You can read the crc like this (classes section):
> Just flip the bytes of one crc and the two crc are the same!

Spec says crc for object map is stored as raw short big endian...

> The magic thing is the bit_check_CRC functions parameter "seed" which must
> be in most sections 0xC0C1
> but 0 in the SectionLocator!

Thanks for the tip, now it works for classes but not for object map.
In object map crc check works only for the first block of data, it
must be some coding bug...

Thanks, bye

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