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Alex Rivera
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When calculating a single MD5 checksum on a large file, what technique is generally used to combine the various MD5 values into a single value? Do you just add them together? I'm not really interested in any particular language, library or API which will do this; rather I'm just interested in the technique behind it. Can someone explain how it is done? Given the following algorithm in pseudo-code: MD5Digest X for each file segment F MD5Digest Y = CalculateMD5(F) Combine(X,Y) But what exactly would Combine do? Does it add the two MD5 digests together, or what?
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