All Questions
30 questions
0
votes
0
answers
38
views
Recovering a zip decryption password I have used it once and then forgot it [duplicate]
So I have received a ZIP file that is password encrypted.
I have used BreeZip to unzip and view the files initially, which required a password, which I have lost. As I was using the free version of ...
1
vote
1
answer
4k
views
Unable unzip file with the correct password
Before i used command "zip -eq file.zip /folder" to zip my folder with the password. Now I unzip the file with the correct password but always show "Wrong password". I also tried ...
0
votes
1
answer
814
views
How to enter Japanese-encoded password when extracting from zip file?
Zip file here: https://sp.seiga.nicovideo.jp/seiga/im4274119
https://bowlroll.net/file/50417
It contains another zip file, Taboo.zip. The password is "ジークハイル", but with Japanese encoding.
$ ...
- 73
1
vote
0
answers
597
views
How do you remove passwords from files INSIDE a zip file?
I have a zip file that has multiple password-protected files within it, all with the same password. Is there a way for me to automatically remove the passwords from the files within it?
-1
votes
1
answer
564
views
Is it possible to create a ZIP file with NUL (0 length) password?
I want to know is it possible to create a ZIP file with NUL (0 length) password? If it is possible, how?
- 63
1
vote
2
answers
2k
views
7zip password protected zip - SHOW the password that i type
wondered if, when i unzip a pasword protected file and it says "enter the password, it will not be echoed" if i could see either what i type or paste (echoed!) OR a ***** to show that what i'...
- 13
1
vote
0
answers
258
views
How to change password of multiple ZIP archive files at once?
I have 50 password protected ZIP compressed archive files. By design, all the files have the same password.
I now want to change the password for all those ZIP files to a different password (again, ...
- 9,357
2
votes
1
answer
427
views
unzip many files with different passwords and compression formats with bash script
I have this bash script to unzip files with different passwords. But it decompresses indefinitely and damages the decompressed files
PASS="passfoo passbar passfoobar"
LIST=$(ls -1 *.{zip,7z,7z.001,...
- 834
3
votes
2
answers
6k
views
How to password protect a ZIP file in Win 10 without using external program?
How can I password protect a zip file in Win 10, without using an external program such as 7-zip etc.?
- 1,149
0
votes
1
answer
846
views
Is it possible to make a encrypted Zip file unhackable [closed]
I want to encrypt a Zip file. But I'm not sure it can be safe because I’ve found some tips about how to recover a .Zip with forgotten password with iSumsoft or NSIS in this article: “How to Open ...
2
votes
0
answers
3k
views
Wrong password while extracting zip file [closed]
I had used C# code to create Password protected zip files,
But while extracting all the files inside zip gets except one large txt file, and for that particular file all different tools (default ...
- 121
0
votes
1
answer
2k
views
How to use a batch script to zip files with unique passwords?
Good day. I was wondering if there is a way to write a batch script that converts files into password-encrypted zip folders (each zip folder will have a unique password)?
I have seen several ...
- 1
2
votes
0
answers
184
views
Cracking ZIP password from spanned volume
On October 10, 1997, I tried to free up some space on my hard-drive by off-loading them to floppy disks. I tried to reduce the number of disks required by using PKZIP to compress them. For some reason,...
- 69.2k
0
votes
2
answers
459
views
Is it possible for WinZip to not recognize passwords created with a different WinZip version?
I have a .zip file which came with a "supposedly" correct password to extract it. Yet neither 7-zip not my WinZip trial version recognize that password as correct. The same happens with password-...
- 1
2
votes
0
answers
1k
views
John the Ripper not fully using CPU
I'm using John the Ripper to crack an old ZIP archive encrypted with PKZIP, and although I've set the thread count to match the number of cores I have (4) only about 50-60% of my CPUs are being used ...
- 121
0
votes
0
answers
366
views
Password protecting a folder without zipping or hiding
I have a Django app which I need to distribute to other teams for testing, but I don't want to share the code. The structure of a Django project is -
parentfolder
djangoproject
djangoapp
db.sqlite3
...
- 101
17
votes
5
answers
68k
views
MAC OSX: How to unzip password protected .zip file
I need to unzip a .zip file which is password protected.
I am able to unzip the .zip file using a windows PC with 7zip.
I tried several tools Keka, iZIP, unarchiver ... and got always an answer like ...
- 171
-2
votes
1
answer
2k
views
Is it possible to gain access to a password-protected WinRAR file without brute-forcing it?
My reasoning: password-protected WinRar zip files are locally-stored. Therefore, the password - or some key to cracking them - must be locally-stored, too. It strikes me that it'd be much easier to ...
- 13.4k
0
votes
1
answer
4k
views
Powershell script to test zip passwords from file
I have powershell script:
$passwords = Get-Content list.txt
$7ZipPath = '"C:\Program Files\7-Zip\7z.exe"'
$zipFile = ".\dane_7up.zip"
foreach ($password in $passwords)
{
Write-Host $password
$...
- 3,110
12
votes
3
answers
29k
views
How to prevent 7-Zip encrypted zip file passwords from being stored on the hard-drive?
I've encrypted a folder with 7-Zip 9.20, specifying 256-bit AES and a password, and the .zip file was created. But then, when I clicked on the zipped file, to my surprise, PeaZip 5.1.1, which was the ...
- 3,676
1
vote
1
answer
30k
views
John the Ripper: Crack ZipCrypto password
I made a password protected zip file with 7zip, using ZipCrypto algorithm.
Set the password to 1234.
I am using john-1.7.9-jumbo-7.
I followed this manual: http://www.cybercrimetech.com/2014/07/how-...
- 21
1
vote
1
answer
242
views
Is it possible to write an app that ignores the zip archive password?
I am not sure how password protected archives work but is it the programs enforcing the protection or is it the way the format works where if it's password protected, there is no way to extract the ...
- 1,504
6
votes
2
answers
26k
views
Remove known password from zip archive without extracting
is it possible to remove a known password from a ZIP archive without extracting the actual archive?
I have some heavily compressed archives and want to avoid having to extract and rezip each of those ...
- 61
0
votes
0
answers
1k
views
How to add password to zip file on SBS 2008?
I'm trying to add a password to a zip file on SBS 2008, but there is no "Add Password" in the File menu.
What can I do?
- 1,149
1
vote
2
answers
495
views
Shell zip with unattended password
I have a script that runs some automatic zip generation using shell zip. The request is to add automatic encryption with password. From what I understand, the option -e is the right one, but it asks ...
- 353
0
votes
1
answer
2k
views
rar & zip password recovery [duplicate]
Possible Duplicate:
ZIP password recovery
I have rar & zip files that I made a year ago and I don't remember the password. Is there a way to recover it?
- 101
52
votes
5
answers
97k
views
add password to existing zip file with 7zip
Is it possible to add a password to an existing zipfile with 7zip without going to all the trouble of unpacking it and re-packing it again?
- 5,214
54
votes
3
answers
40k
views
How secure are password-protected zip files?
In modern zip utilities like 7zip, you can specify a password when creating a .ZIP file. But, how secure is this? What encryption algorithm(s) are used to secure password-protected zip files?
- 1,541
54
votes
7
answers
126k
views
7-Zip doesn't ask me for a password for a ZIP file I encrypted while double-clicking it
I just tried to encrypt a folder with 7-Zip by a command line, choosing a password, but when double-clicking on the ZIP file, it shows me the files list without asking any password.
Is there a way to ...
asksuperuser
7
votes
2
answers
8k
views
Bash command to compress folder(s) with a password
How can I compress two folders into archive file (zip, gzip or something like that) with a password on the files?
For example I have folder structure:
rootDir
dir1
dir2
dir3
dir4
I need bash ...
- 172