Question is, when encrypting, it asks for a passphrase, but when decrypting, it DOESN'T ask for a passphrase. - the "--passphrase-fd 0" is a must. Without this option, I will be prompted on the >console. A good passphrase should have at least 15, preferably 20 characters and be difficult to guess. When decrypting an entire folder, the folder tree is preserved from the root folder down. TUMBLEWEED prevent gpg from caching passphrase Gpg Key-Pair Encryption and Decryption Examples First confirm that you can run this commandline from the command shell cmd.exe: Obviously modify to fit your needs: Code: [Select] echo thisismypassphrase | gpg --batch --passphrase-fd 0 --decrypt "C:\FILETODECRYPT.GPG". How can I decrypt multiple files in a directory with gpg? 2) decrypt giving outfile name :=> shell> gpg —output -d. 2.1) Giving above command will prompt you to enter paraphrase. gpg - How can I remove the passphrase from a gpg2 private key? - Unix ... Age is acronym for "Actually Good Encryption". You can choose whether functional and advertising cookies apply. Linux: How To Encrypt And Decrypt Files With A Password This tutorial will go over basic key management, encrypting (symmetrically and asymmetrically), decrypting, signing messages, and verifying signatures with GPG. Know your passphrase. How to Encrypt and Decrypt Files using GPG Command The syntax of the gpg command for encrypting a file is given below: $ gpg -c [Filename] Here, the " -c " option is added to encrypt the file with the help of a symmetric cipher passphrase or password. Encrypt and decrypt files from the graphical interface. Some similar code works great in my personal GnuPG scripts that have to decrypt without human interaction. A passphrase containing a -personal-cipher-preference and -cipher-algo should be given rather than name in place of key generation in encrypted symmetric ciphers. It asks for a password (twice) and creates an encrypted file.