SECURE INTERNET LIVE CONFERENCING [SILC]

Submitted by

Manisha B. Jadhav

Under the GuideProf. Lekha V. Bhandari

DEPARTMENT OF COMPUTER SCIENCE

A SEMINAR REPORT

ON

G.H.R.C.E.M, Amravati. 2012

Contents Introduction To SILC. History. Types Of Chat Protocols. SILC Protocol. Need Of SILC Protocol. Entities Of SILC. Channel. Types Of Private Message Delivery. Advantages. Disadvantages. References. Questions.

INTRODUCTION Stands for Secure Internet Live Conferencing.

Designed as a secure replacement for IRC (Internet Relay Chat).

Stable implementations for clients and server Also some features of instant messangers are available.

It provids full feature conferencing services like other chat protocol.

It provides security by Encrypting and Authenticating the messages in the network.

HISTORY

Designed by Pekka Riikonen, started '96.

Work stopped several times. 1st public release in 2000. Protocol specifications are

submitted to IETF.

TYPES OF CHAT PROTOCOLS

Instant Messaging [IM]

Internet Relay Chat [IRC]

Secure Internet Live Conferencing [SILC]

The SILC Protocol

Key-Features:Provides secure conferencing

services over insecure network channel.

Like IRC but Does not supports IRC.Keys managed by server or user.Messages are sent through server-

net.

What is Need of SILC..

Other chat Protocols like IM , IRC were insecure.

All packets & data within SILC network is authenticated and encrypted.

Live Conferencing with security is possible.

Supports chat and instant messenger like systems.

Entities of the SILC network

Client

Servers

Routers

Channel Message Delivery

Types Of Private Message Delivery

There are three types of message delivery:-◦Private Message Delivery With Session Keys◦Private Message Delivery With Private Key◦Private Message Delivery With Public Key

Private Message Delivery With Session Keys

Private Message Delivery With Private Key

Private Message with Public Key

Client encrypt message by receivers public key.

Server and router cant decrypt message , do not have receivers private key.

Receivers decrypt the message by private key.

ADVANTAGES OF SILCEnhancing the work.Save Time and Money.Corporate travel expenses.Increase Business Sales

DISADVANTAGESSharing Increases Risk .

System Errors.

Expensive.

CONCLUSIONThe Secure Internet Live

Conferencing (SILC) protocol is a new generation chat protocol that provides all the common conferencing services with strong support for security.

It has wide range of security properties that should meet the highest levels of security requirements, while not forgetting of use.

The network topology offers new architectural solution with better scalability over traditional chat protocols.

REFERENCEShttp://silcnet.orgwww.ieee.orghttp://penguin-breeder.org/silc/http://silky.sf.netwww.authorstream.comwww.osun.comwww.itpapers.comwww.wikipedia.com

THANK YOU……