How can I make a user enter a key or password to get access to .tar
files in Unix? For example, I have a program and all my scripts are in
A.tar archive. I want users to enter a password or key to extract A.tar.
This need to work on Linux, Solairs, HP-UX, AIX and maybe on Uss
systems.
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Why don't you look into GPG, which is the GNU version of PGP (Pretty
Good Privacy)? This will allow you to encrypt data easily using a
public key. There are several steps, including creating a key,
exporting it to your textfile, encrypting the data, and later the
decryption process.
The encryption syntax would be something like this.
gpg --recipient "RECIPIENT" --encrypt-files "yourfilename"
Here's an FAQ that will be helpful to you.
This was first published in May 2005
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