110.3 Securing data with encryption
- Reference to LPI objectives
- Weight
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4
- Key knowledge areas
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Perform basic OpenSSH 2 client configuration and usage.
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Understand the role of OpenSSH 2 server host keys.
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Perform basic GnuPG configuration, usage and revocation.
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Use GPG to encrypt, decrypt, sign and verify files.
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Understand SSH port tunnels (including X11 tunnels).
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- Partial list of the used files, terms and utilities
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ssh
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ssh-keygen
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ssh-agent
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ssh-add
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~/.ssh/id_rsa
andid_rsa.pub
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~/.ssh/id_dsa
andid_dsa.pub
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~/.ssh/id_ecdsa
andid_ecdsa.pub
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~/.ssh/id_ed25519
andid_ed25519.pub
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/etc/ssh/ssh_host_rsa_key
andssh_host_rsa_key.pub
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/etc/ssh/ssh_host_dsa_key
andssh_host_dsa_key.pub
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/etc/ssh/ssh_host_ecdsa_key
andssh_host_ecdsa_key.pub
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/etc/ssh/ssh_host_ed25519_key
andssh_host_ed25519_key.pub
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~/.ssh/authorized_keys
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ssh_known_hosts
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gpg
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gpg-agent
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~/.gnupg/
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