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Questions tagged [7zip]

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7-Zip is an open source file compression and archiving application. Use this tag for questions regarding this application.

22 questions
Newest Active Bountied Unanswered
0 votes
1 answer
330 views

Does 7z or RAR5 offer better resistance to brute force attacks?
oqdn's user avatar
  • 1
1 vote
2 answers
4k views

I'm in an interesting predicament. I have an encrypted 7z file that I made myself. The password for the file is a 60 character generated password that I saved to my password manager. I made sure to ...
CSstudent's user avatar
  • 113
1 vote
0 answers
162 views

I wonder if this is the right place to ask about the specific functioning of viruses / worms. We all receive fishy mails all the time. And generally I never click on anything, especially not ...
Gunther Schadow's user avatar
  • 111
2 votes
1 answer
705 views

Another thread addresses the question of what can count as "military-grade encryption." In this case, I see that CyberLink Power2Go software boasts "advanced military-grade 256-bit ...
Ray Woodcock's user avatar
  • 123
12 votes
1 answer
5k views

Recently I was testing whether I could make 7-Zip archives more bruteforce-resistant. Both someone on Wikipedia and @kelalaka on this website make the following claim: The 7z format supports ...
d33tah's user avatar
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0 votes
0 answers
22 views

Is there an application to create an archive (e.g. 7z, zip, rar, etc) that can be accessed with multiple valid passwords? For example the password protected archive "example.7z" can be ...
David's user avatar
  • 1
3 votes
1 answer
2k views

I noticed that 7zip provides an option to encrypt the contents of a folder using AES256 (Screenshot Below) and so does GPG using this command: gpgtar --output <Name_Of_The_Output_File> -v --...
7_R3X's user avatar
  • 656
1 vote
1 answer
12k views

I forgot password to 7z archive encrypted with AES 256. I am fairly certain of most characters however. I know password length is either 8 or 12 characters and if it is 12 I know the last 4 characters....
gary0824's user avatar
  • 13
0 votes
1 answer
3k views

As some in here might know, there is/was a ransomware attack going on worldwide that used 7z to encrypt all files <20MB for a ton of users world wide. Each user has a unique 32 char password (Upper ...
Leo Tulipan's user avatar
  • 103
0 votes
1 answer
243 views

Let's say I have two kind of files on my Windows desktop - first are files that can be published and shared with other people, second kind is confidential and should remain private. To share files I ...
Dominic's user avatar
  • 45
1 vote
1 answer
815 views

A follow up to my 7,5 years old question. Back 10-15 years ago, when I wanted to send an executable file over Gmail from my PC, all I had to do was to change file's extension to some meaningless one ...
trejder's user avatar
  • 3,729
7 votes
4 answers
16k views

A client says they can't accept password-protected PDFs to put in their payroll system, so I have to send them without security. I don't want to send unsecured PDFs via e-mail because e-mail is ...
M -'s user avatar
  • 1,957
3 votes
3 answers
949 views

I want to archive some GB of sensitive data. It is to be stored on an external drive that also includes non sensitive data so i don't want to encrypt the whole drive. For that purpose i want to use ...
WiCloverS18's user avatar
  • 33
4 votes
1 answer
4k views

I am trying to recover a 7z file, but have forgotten the password. It's completely AES-256 encrypted (i.e. not even the filenames are available). Steps: Generated hash file with 7z2hashcat.pl Ran a ...
Ben Owen's user avatar
  • 41
2 votes
1 answer
9k views

I have made a 7z archive using Delta filter containing a wav file and I have protected it with a password. I am running a terminal in Kali Linux. My problem is that I cannot get the password cracked ...
juhohe's user avatar
  • 21

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