Classical Cryptography Simulator

Authentication Protocols

Explore secure authentication protocols including SSL/TLS, Kerberos, and OAuth. Understand protocol design, message flow, and security analysis.

Protocol Configuration
Select and configure authentication protocol

Transport Layer Security for secure web communication

Protocol Flow
Step-by-step protocol execution

TLS/SSL Steps:

1
Client Hello
2
Server Hello
3
Certificate Exchange
4
Key Exchange
5
Finished
Control Panel
Protocol Characteristics
Security features and properties

TLS/SSL

  • • End-to-end encryption
  • • Certificate-based authentication
  • • Perfect forward secrecy
  • • Widely adopted

Kerberos

  • • Single sign-on capability
  • • Ticket-based authentication
  • • Mutual authentication
  • • Centralized management

OAuth 2.0

  • • Delegated authorization
  • • Token-based access
  • • User consent flow
  • • API integration
Security Analysis
Threats and mitigation strategies

Common Threats

  • • Man-in-the-middle attacks
  • • Replay attacks
  • • Certificate spoofing
  • • Token theft

Mitigation Strategies

  • • Certificate validation
  • • Timestamp verification
  • • Multi-factor authentication
  • • Token expiration
Real-World Applications
Where these protocols are used in practice

Web Security

  • • HTTPS websites
  • • Online banking
  • • E-commerce platforms

Enterprise Systems

  • • Corporate networks
  • • Database access
  • • Internal applications

User Authentication

  • • Social media login
  • • Mobile apps
  • • API services