GnuPG : key commands

Last update on September 21, 2009 07:41 AM by jak58
Published by aakai1056

GnuPG : key commands






Below is a list of main commands for operating GnuPG
  • Generate double keys: gpg --gen-key
  • List available keys: gpg --list-keys
  • Exporting your public key: gpg --armor --export keyID
  • Importing a key: gpg --import filename
  • Calculating the fingerprint of a key: gpg --fingerprint keyed
  • Signing a key: gpg --sign-key keyed
  • Encrypt and signing a message: gpg -sea -r keyID then type the message followed by key button CTRL+Z
  • Signing a public message: gpg --clearsign -a -r keyID then type the message followed by key CTRL+Z
  • Decrypt a message/verify signature: gpg < message.txt
  • Encrypt a file with a password: gpg -c filename
  • Decrypt a file with password: gpg filename
  • Sign a file (signature in a separate file): gpg --armor --detach-sign filename (This will be created as filename.asc with the message)
  • Verifying detached signature file .asc: gpg filename.asc

Storage keyring


The public and private keys are stored in the storage keyring namely pubring.gpg for public keys and secring.gpg for private keys.
  • This file is located in ~/.gnupg for Linux and POSIX OS.
  • Under windows Operating Systems, it is located in: C:\Documents and Settings\votrelogin\Application Data\gnupg\
  • To access pubring.gpg, execute the following command : gpg --list-keys

Public Key servers

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