How to get 100% identical compressed files, for source files that only differ in creation date?
Fresh3 days ago
Mar 15, 20264193 viewsConfidence Score0%
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Problem
I want to be able to compress a file losslessly, and if the original file is identical to another user's file, I want both of our compressed files to match, even if the original file dates are different. I want to use a maximum of 1GB of RAM while compressing. I'm leaning towards an asymmetric algo…
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Fix for: How to get 100% identical compressed files, for source files that only differ in creation date?
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Create a couple of identical files: gzip them... observe timestamp field as the only difference: For more info on the timestamp, see the RFC Now, you can either take an MD5 that starts after byte 8, zero these four bytes in your files and lose their…
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