1
vote
1answer
511 views

How can I updated an encrypted 7zip archive without losing encryption?

I created a 7zip archive with AES encryption. I included the option to encrypt the filenames. When I updated the file however I am no longer prompted for a password to open the file and can view the ...
4
votes
2answers
1k views

If I compress a file in a .7z archive with password, is it undecryptable without password?

I'm just curious to know whether or not an encrypted file is really save in terms of decrypting if I compress (or just save) a file into a .7z archive with a password. If I use a strong and ...
5
votes
3answers
3k views

Do encrypted compression containers like ZIP and 7-Zip compress or encrypt first?

The discussion of "compress and then encrypt, or vice-versa" led me to ponder the following question: many compression containers, like ZIP, 7z, and rar support encrypting these containers. For ...
5
votes
3answers
383 views

Need to archive/encrypt 20GB of files

I have 20GB of creative files (flash/photoshop/illustrator) files that i need to ship to someone. Unfortunately, sending thru the internet isn't possible (proxy on both ends, unreliable connections, ...
1
vote
1answer
1k views

unencrypt 7zip files in ubuntu

I have an encrypted 7zip file, but i cannot open it, it appears that p7zip does not support encryption yet. Do you know a program that can open it ?
7
votes
3answers
8k views

Best Secure Encryption for Zip Files via Linux

I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done? zip -e -P PASSWORD file1 file2 file3 ...