OPEN PGP|GNU PRIVACY GUARD (GPG) IN REDHAT LINUX

OPEN PGP|GNU PRIVACY GUARD (GPG)
Features:
1. Confidentiality - Data (Files or e-mail) are encrypted

2. Integrity - Digital signatures

3. Compression

4. Public Key Infrastructure (PKI)
a. Public key - used to encrypt data to a recipient
b. Private key - used to decrypt data from a sender

5. GPG is OpenPGP compliant

Usage:

1. gpg --list-keys - this enumerates keys in ~/

2. gpg --gen-key - generates a PKI keypair for the current user

3. gpg --encrypt -r LinuxCBT --armor sample.txt - encrypts sample.txt using
our 'LinuxCBT's' public key

4. gpg --decrypt sample.txt.asc

5. gpg --decrypt sample.txt.gpg

6. gpg --export -a - dumps public key to STDOUT

7. gpg --import - waits on STDIN for user to paste a key for import

8. gpg --decrypt -o sample.txt sample.txt.gpg