26-04-2012, 01:43 PM
SILC(Secure Internet Live conferencing)
silc_presentation_20c3_577_v6.pdf (Size: 364.31 KB / Downloads: 49)
What is it about?
Protocol for authenticated and encrypted
Live Conferencing
Supports chat and instant messenger like systems.
/join 20C3
The Protocol
Key-Features:
● all messages are encrypted and authenticated
● Keys managed by server or user
● messages are sent through server-net
● File transfer via sftp
SILC Connection Authentication
● Done right after SKE
● Authenticate connecting parties (e.g. client to
server)
● based on
passphrase (packet encrypted) or
public-key (challenge sent to client)
Using SILC: Channels
● joining and founding a channel (save your key!!!)
/cmode +f channel
● no channel services needed (takeovers are
difficult)
● can be private, secret, moderated, invite only,
limited
● setting channel keys
silc_presentation_20c3_577_v6.pdf (Size: 364.31 KB / Downloads: 49)
What is it about?
Protocol for authenticated and encrypted
Live Conferencing
Supports chat and instant messenger like systems.
/join 20C3
The Protocol
Key-Features:
● all messages are encrypted and authenticated
● Keys managed by server or user
● messages are sent through server-net
● File transfer via sftp
SILC Connection Authentication
● Done right after SKE
● Authenticate connecting parties (e.g. client to
server)
● based on
passphrase (packet encrypted) or
public-key (challenge sent to client)
Using SILC: Channels
● joining and founding a channel (save your key!!!)
/cmode +f channel
● no channel services needed (takeovers are
difficult)
● can be private, secret, moderated, invite only,
limited
● setting channel keys