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QuestionUse DLL in C# Pin
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QuestionCan not compare a file and same file stored in mysql - sha256 Pin
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AnswerRe: Can not compare a file and same file stored in mysql - sha256 Pin
Luc Pattyn29-Apr-20 8:07
sitebuilderLuc Pattyn29-Apr-20 8:07 
Hi,

I'm not familiar with the MySql connector, and I tend not to store files in databases (it does not make much sense to me, it only inflates the DB size). However I noted what follows:

at the bottom of your code there is a while loop, wherein you call Sha256.ComputeHash.

That piece of code looks very suspicious: what remains is just the SHA256 of the last loop iteration, so either you only have one iteration (and the while should be an if), or your logic is wrong (you should collect all the data and then calculate SHA256 on the whole thing).

You could try with a small file, say less than 1KB. Or you could track the while loop behavior, either by adding an output statement, or by using a debugger...

Smile | :)
Luc Pattyn [My Articles] Nil Volentibus Arduum

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QuestionDate compare Pin
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