CSCI 373 — Encryption

Secure Shell

• Ubuntu help for OpenSSH
• Useful implementations
  • Try out — ssh and sftp on Linux or Mac
  • PuTTY and WinSCP work well on Windows
  • FileZilla does SFTP on everything
• The standards
  • RFC 4250 — assigned numbers
  • RFC 4251 — overview
  • RFC 4252 — authentication
  • RFC 4253 — transport layer
  • RFC 4254 — connection layer

Using SSH and SFTP

SSH is another program that uses keys. Try out the following command:

To enable ssh and sftp login without password, try out the following commands. (See the answer in this ubuntu answer for more information.)

ssh-keygen
ssh-copy-id www.cs.unca.edu