110.3 - Securing data with encryption

Weight: 3

Description: The candidate should be able to use public key techniques to secure data and communication.

Key Knowledge Areas:

Perform basic OpenSSH 2 client configuration and usage

Understand the role of OpenSSH 2 server host keys

Perform basic GnuPG configuration, usage and revocation

Understand SSH port tunnels (including X11 tunnels)

Terms and Utilities:

ssh

ssh-keygen

ssh-agent

ssh-add

~/.ssh/id_rsa and id_rsa.pub

~/.ssh/id_dsa and id_dsa.pub

/etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub

/etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub

~/.ssh/authorized_keys

ssh_known_hosts

gpg

~/.gnupg/