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Inkoming avatar Inkoming commented on June 24, 2024 1

The test with 7zip output (148 characters password) was through Keka on macOS, no Terminal.

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aonez avatar aonez commented on June 24, 2024 1

Indeed. Just checked and WinZIP is limited to 99 characters, even for non AES256 passwords. So non AES compressed with 100+ characters can't be extracted using WinZIP.

warning on Keka to not exceed 99 characters

That will be it. Thanks a lot for all the feedback @Inkoming.

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Inkoming avatar Inkoming commented on June 24, 2024

Tested with 7zip output, same long password, no problems.

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aonez avatar aonez commented on June 24, 2024

@Inkoming just to be sure, what version of 7zip are you using? You mean 7-Zip on Windows? Or is it p7zip on the terminal?

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Inkoming avatar Inkoming commented on June 24, 2024

@aonez I'm on macOS, so only using Keka to compress to 7zip (no 7zip specific App).

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aonez avatar aonez commented on June 24, 2024

Tested with 7zip output, same long password, no problems.

But this test you mentioned here with no problems, was it on macOS on the Terminal?

Both 7zz and p7zip fail on my end with 100 characters password, only for ZIP format. So probably it is limited to 99 characters. Also only affects when AES256 is enabled.

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aonez avatar aonez commented on June 24, 2024

Ah ok you meant the 7Z format, got it. Seems like there's this 100 characters limit for ZIP + AES.

Can you double check if it fails with lower character password on your end? You mentioned 49 characters but I'm unable to reproduce the issue with less than 100 characters.

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Inkoming avatar Inkoming commented on June 24, 2024

Tested right now, 99 characters ZIP 256 AES is working, above, not. My bad.
So it's upon zip's side problem right? Maybe we need a warning on Keka to not exceed 99 characters?

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