Simple gpg application in Linux

Nowadays, both email and chat Information on the Internet are very insecure. Obviously, we need to increase our awareness of defense and improve the security factor of our files, at the same time, we also need to be vigilant against tampering with information from our friends. Now we will briefly describe the gpg encryption application in linux to ensure the authenticity, integrity, and confidentiality of our files.

Encryption and decryption

Generate key pair

View keys

Export Private Key

Export key

Publish your own public key

Roses imports the jacks public key into your host

Roses encrypts files with the jscks Public Key

Roses sends the encrypted file to jacks

If it is opened directly, garbled characters are displayed.

Jacks uses its own private key to decrypt the file

Signature and Encryption

Roses

Export Private Key

Export Public Key

Send your public key to your friend jacks.

Jacks imports the roses public key to its host.

Roses sends a signed file to jacks.

Jacks uses the roses public key to decrypt the signature. You can see that the file is from roses.

Jacks replies to roses a file with encryption and signature

Roses uses its own private key to unbind the envelope and uses the jacks public key to unbind the digital signature.