Re: Crc32

[valerij zaporogeci <vlrzprgts@gmail.com>]

yes. it does as you said. very confusing in fact.

2016-08-31 6:54 GMT+03:00, Michael Zimmermann <sigmaepsilon92@gmail.com>:
> it doesn't. it just seems that if the crc text field is not empty it
> calculates the crc of the crc, so you have to hit the "Reset CRC" button
> before reprocessing the text.
>
> On Wed, Aug 31, 2016 at 3:11 AM, valerij zaporogeci <vlrzprgts@gmail.com>
> wrote:
>
>> >> after testing it it indeed produces CCITT32 results like this online
>> generator:
>> >> http://g6auc.me.uk/CRC32/index.html
>>
>> I only now noticed that this  "calculator", gives DIFFERENT values on
>> the same input, no matter hex or text based.
>> Interestingly, how it could produce the same results as the Tianocore
>> implementation?
>>
>> I was thinking that all the difference in the Tianocore impl. from the
>> pure crc is appending 32 1's at the beginning of the (input) message
>> and then negating the Crc itself in the end.
>>
>> I see, the only way to check is to pull off the Tianocore function and
>> check.)
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>