Integrated MD5, SHA etc Test for Downloads

It would be nice if we could have the integrity check for downloaded files  
via CRC32, MD5, SHA1, SHA256 algorithm natively integrated into the  
download manager of Opera. Perhaps with some extra columns in the transfer  
window?

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Roland Reck wrote:
> It would be nice if we could have the integrity check for downloaded
> files via CRC32, MD5, SHA1, SHA256 algorithm natively integrated into
> the download manager of Opera. Perhaps with some extra columns in the
> transfer window?
>
Could you be more explicit? Check the downloaded file against what? Or 
maybe display the checksum of the downloaded file so the user could 

Am 01.03.2008 um 15:52 Uhr schrieb HaRT:

> Roland Reck wrote:
>> It would be nice if we could have the integrity check for downloaded
>> files via CRC32, MD5, SHA1, SHA256 algorithm natively integrated into
>> the download manager of Opera. Perhaps with some extra columns in the
>> transfer window?
>>
> Could you be more explicit? Check the downloaded file against what?
> Or maybe display the checksum of the downloaded file so the user could  
> check later against a server provided checksum?

The later. Sorry I didn't mention.
Just displaying the checksum would be fine but it would be even better, if  
the comparison against the provided checksums would be integrated, too.

I think of the following szenario:
Download or copy checksum(s), download file, tell Opera to generate the  
appropiate checksums of the file and compare them. If they don't match,  
there could be a warning dialog or a change of color of the display in the  
transfers window or panel.

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