Checksum method

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HeeA
Posts: 1
Joined: 28 Jul 2020 06:31

Checksum method

Post by HeeA »

Hi Dear,

How does CRC-32 work? Does it work like the formula below? If not, please explain how it works.
𝑥^32+𝑥^26+𝑥^23+𝑥^22+𝑥^16+𝑥^12+𝑥^11+𝑥^10+𝑥^8+𝑥^7+𝑥^5+𝑥^4+𝑥^2+𝑥+1

Thanks,
Maël
Site Admin
Posts: 1454
Joined: 12 Mar 2005 14:15

Re: Checksum method

Post by Maël »

Sorry for the late reply, I was away.

It corresponds to CRC-32
04C11DB7
<crc-32>
as found under:
http://protocoltool.sourceforge.net/CRC%20list.html

The source code is not related, but they should produce the same results.

Or see the CRC-32 entry here (polynomial 0x04C11DB7):
https://en.wikipedia.org/wiki/Cyclic_re ... heck#table
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