Security and Privacy using HTTPS and Onion Routing
TARUN BATRA
SHIVANU BHATEJA
Internet Communication
Alice
Internet
Anonymity
WHY ?
A journalist in North Korea
A person who envy privacy
FROM
TO
Anonymity
HOW ?
Alice
Onion Routing
Bob
Carol
Dan
Erin
Frank
Garry
Alice
Internet
Cell
DATA
LAYER 3
LAYER 2
LAYER 1
Limitations
Not perfect
High Latency
Exit Node Vulnerability
Unethical use
Onion Routing
HTTPS
HTTP + SSL/TLS
HTTP FTP SMTP
SSL/TLS ASCII JPEG
TCP UDP
RPC PAP
IPv4 IPv6 AppleTalk
PPP IEEE 802.2 L2TP
DSL USB
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
SSL Handshake
Limitations
HTTPS
Bugs like Heartbleed
Attacks like SSL stripping
Normal
Communication
TOR
HTTPS
TOR
+
HTTPS