Scott David Daniels wrote: > Brett C. wrote: > >> Scott David Daniels wrote: >> >>> I'm hoping to add BZIP2 compression to zipfile for 2.5. My primary >>> motivation is that Project Gutenberg seems to be starting to use BZIP2 >>> compression for some of its zips. What other wish list things do >>> people around here have for zipfile? I thought I'd collect input here >>> and make a PEP. >> >> Encryption/decryption support. Will most likely require a C extension >> since the algorithm relies on ints (or longs, don't remember) wrapping >> around when the value becomes too large. > > > I'm trying to use byte-block streams (iterators taking iterables) as > the basic structure of getting data in and out. I think the encryption/ > decryption can then be plugged in at the right point. If it can be set > up properly, you can import the encryption separately and connect it to > zipfiles with a call. Would this address what you want? I believe > there is an issue actually building in the encryption/decryption in > terms of redistribution. > Possibly. Encryption is part of the PKZIP spec so I was just thinking of covering that, not adding external encryption support. It really is not overly complex stuff, just will want to do it in C for speed probably as Guido suggested (but, as always, I would profile that first to see if performance is really that bad). -Brett
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