Linux Administration/Security/Encryption
This lesson covers encryption.
Objectives and Skills
editObjectives and skills for the encryption portion of Linux+ certification include:[1]
- Securing data with encryption
- 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)
- The following is a partial list of the used files, 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
- /etc/ssh_known_hosts
- gpg
- ~/.gnupg/*