How to Encrypt and Decrypt a File. Encrypting files on your computer helps to secure your data from unauthorized access. Microsoft Windows features the native ability to encrypt files and folders ...

GnuPG, the open replacement for PGP, is an excellent tool to manage cryptographic signatures to files or e-mails for validity and integrity, as well as a tool to encrypt and decrypt sensitive ...

Asymmetric encryption, using public and private keys, is more secure but involves key management. Encrypting Files To encrypt a file for yourself, you can use symmetric encryption: gpg --symmetric ...