Gpg which key to use for encryption

The example below creates a binary file. In this example, le us see how Bob can read the encrypted message from John. Decrypt the message using your private key. Note : After entering the passphrase, the decrypted file will be printed to the stdout. I am getting a lot of messages what is it and how can I read it.

I need help. This is a confusing example because for some reason there are three people in the scenario, Ramesh, John and Bob. Image by Pete Linforth from Pixabay. Check out these related articles on Enable Sysadmin Image. Posted: May 19, Author: Susan Lauber. How to create GPG keypairs. Creating GPG keypairs in Linux is a simple process, but understanding how it works can enhance your security. Posted: May 26, Are you sure that your package is safe from corruption or malicious activity?

Here's how signature verification can help. Posted: June 16, Topics: Linux Linux administration Security. Ken Hess Ken has used Red Hat Linux since and has written ebooks, whitepapers, actual books, thousands of exam review questions, and hundreds of articles on open source and other topics.

On Demand: Red Hat Summit Virtual Experience Relive our April event with demos, keynotes, and technical sessions from experts, all available on demand. Afterwards there will exist the file "mydata. NOTE: when I originally wrote this cheat sheet, that's how it worked on my system, however it looks now like "gpg -d mydata.

The working alternative worked on my system, anyway would be to use "gpg -o outputfile -d encryptedfile. Alternatively you could run something like "gpg -d mydata. Seemed to work either way.

Ok, so what if you're a paranoid bastard and want to encrypt some of your own files, so nobody can break into your computer and get them? Simply encrypt them using yourself as the recipient. Type your email address followed by Enter. The email address you use depends on the context. If you are exchanging files securely for work, then type your work email address. Do not forget your passphrase!!! Otherwise your GPG keypair is worthless. Use something long and easily remembered by you but hard for other people and computers to guess.

This blog post by LastPass is a good guide to generating a good passphrase. Once you the above, just go do some other stuff at your computer. It could take a few minutes before this is done. Regardless of whether you are the sender or the recipient, we shall cover 2 methods of making your GPG public key available to the other party.

Remember the email you used to create your GPG keypair? We shall assume it is your. Run the following command:. This step is for the sender of the message. We shall cover what follows from the 2 methods that we covered in step 2. We have to import the public key into our keyring. Suppose this file is called recipient-pubkey.

To import it, run:.