← Back to the reading view
Slides · 5 slides
SSH: key exchange, host keys, and authentication
The same module told visually, ready to present. Speaker notes carry the full explanation.
Protocols
SSH
Every remote login and git push: TLS's primitives, arranged differently
SSH: key exchange, host keys, and authentication · Classical Crypto Today1 / 5
On the wire
Client and server
SSH: key exchange, host keys, and authentication · Classical Crypto Today2 / 5
Host trust
Trust on first use versus SSH CAs
SSH: key exchange, host keys, and authentication · Classical Crypto Today3 / 5
Logging in
Public-key authentication
Ed25519 is the modern default: fast, small, harder to misuse
SSH: key exchange, host keys, and authentication · Classical Crypto Today4 / 5
Key sizes
Ed25519 versus RSA-3072
About twelve times as much data per key for RSA
SSH: key exchange, host keys, and authentication · Classical Crypto Today5 / 5
1 / 5
Keys: ← → move, F full screen, G all slides, N notes