Quantum key distribution theory and practice

• Abstract
  
• INTRODUCTION
  
  • 1. Classical Cryptography
    
  • 1.1 Definition
    
  • 1.2 Security concepts
    
  • 1.3 Cryptosystem
    
  • 1.4 Diffie-Hellman Key Exchange
    
  • 1.5 Information Theory
    
  • 2. Fundamentals of Quantum Mechanics
    
  • 2.1 Polarization
    
  • 2.2 Circular polarization
    
  • 2.3 Heisenberg Uncertainty principle
    
  • 2.4 Entanglement
    
  • 2.5 No-cloning Theorem
    
  • 3. QKD protocols
    
  • 3.1 QKD with classical notion
    
  • 3.2 Main operation of key exchange technic of QKD
    
  • 3.3 Assumption and protocol
    
  • 3.4 Protocols Using Heisenberg's
    
  • 3.5 Entaglement base to protocol
    
  • 3.6 Attacks on a QKD channel
    
  • 4. QKD implementation technologies
    
  • 4.1 Sources for QKD
    
  • 4.2 Detectors
    
  • 1. Single photon detector :
    
  • 2. The Optical homodyne detector :
    
  • 5. QKD Application
    
  • 5.1 Network
    
  • 5.2 Databases future work
    
• CONCLUSION