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Check if a rar archive is encrypted #258

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opened 2026-01-29 22:09:09 +00:00 by claunia · 3 comments
claunia commented 2026-01-29 22:09:09 +00:00
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Originally created by @Ethenski on GitHub (Nov 6, 2017).

Hi, I needed to know how to check if a rar archive is password protected or not, without actually extracting anything first.

Originally created by @Ethenski on GitHub (Nov 6, 2017). Hi, I needed to know how to check if a rar archive is password protected or not, without actually extracting anything first.
claunia added the enhancementup for grabs labels 2026-01-29 22:09:09 +00:00
claunia commented 2026-01-29 22:09:10 +00:00
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@Megamindzzz commented on GitHub (Dec 20, 2017):

have you already solved the problem?,if you have ,i wish you told me the medthod

@Megamindzzz commented on GitHub (Dec 20, 2017): have you already solved the problem?,if you have ,i wish you told me the medthod
claunia commented 2026-01-29 22:09:10 +00:00
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@coderb commented on GitHub (Dec 20, 2017):

0x80 bit flag in the archive header pre-rar5, presence of Archive Encryption Header post :-)

(haven't implemented the rar5 header yet so just going off the spec)

@coderb commented on GitHub (Dec 20, 2017): 0x80 bit flag in the archive header pre-rar5, presence of Archive Encryption Header post :-) (haven't implemented the rar5 header yet so just going off the spec)
claunia commented 2026-01-29 22:09:10 +00:00
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@ArsenyClean commented on GitHub (Jan 19, 2021):

https://stackoverflow.com/questions/44548578/identify-rars-or-zips-with-password/65793169#65793169

@ArsenyClean commented on GitHub (Jan 19, 2021): https://stackoverflow.com/questions/44548578/identify-rars-or-zips-with-password/65793169#65793169
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Reference: starred/sharpcompress#258
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