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#1 2007-03-13 04:51:28

mccaffjt
Admin
Registered: 2011-06-05
Posts: 1295
Website

CRC32?

Now that I've added MD5 -- is there a reason to keep the CRC32 fields?

The CRC32 calculation is slower than the MD5 calculation...although keeping it means that there is a second file integrity verification check.

Comments?

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#2 2007-03-18 19:01:26

ugc
Member
Registered: 2011-06-05
Posts: 57

Re: CRC32?

MD5 should be good enough. What are the odds that MD5 would be wrong? about zero.

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#3 2007-03-22 09:40:48

mccaffjt
Admin
Registered: 2011-06-05
Posts: 1295
Website

Re: CRC32?

Sounds good.  In v0.617, I experimented with performing the full-file CRC32 (normally done only during duplicates confirmation scan) -- and that calculation is MUCH slower than the new MD5.  This next revision will store the MD5 -- and I plan to add a verification check function in utilities.  I'm happy to say that the MD5 that I calculate is identical to the SHN calculation (so when scanning SHN files...I automatically mark the file as "verified" if the matching *.MD5 file is present).

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