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The ActiveX Zip component (Delphi) slows down Six times, as compared to un-encrypted, if there are above 10,000 files.

asked Jul 19 '17 at 05:53

AllanFernandes's gravatar image


Yes, this makes sense. Each encryption will incur an overhead that is normal w/ AES encryption -- namely the AES key scheduling and other zip-specific tasks such as hashing for password verification (which is per-file). The overhead becomes more significant for larger numbers of small files.


answered Jul 19 '17 at 08:37

chilkat's gravatar image

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Asked: Jul 19 '17 at 05:53

Seen: 1,458 times

Last updated: Jul 19 '17 at 08:37

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