X.400 Message Handling Services

  Paul Markovitz

• Introduction  
• Cryptography Overview  
  • Symmetric Key Cryptography  
    • Secret Key Distribution 
  • Asymmetric Key Cryptography  
    • Digital Signatures  
    • Public Key Distribution  
  • Using Public-Key Cryptography for Secret Key Distribution 
• X.400 Overview  
  • Functional Model  
  • Message Structure  
  • Delivery Reporting  
• Vulnerabilities  
• Security-relevant Data Structures  
  • Security Label  
  • Asymmetric Token  
  • Public Key Certificates  
• X.400 Services  
  • Message Security Labelling  
  • Secure Access Management  
    • Peer Entity Authentication  
    • Security Context  
  • Origin Authentication  
    • Message Origin Authentication  
    • Report Origin Authentication  
    • Proof of Submission  
    • Proof of Delivery  
  • Data Integrity  
    • Content Integrity  
    • Message Sequence Integrity  
  • Data Confidentiality  
    • Content Confidentiality  
    • Message Flow Confidentiality  
  • Non-repudiation  
  • Security Management  
• X.400 Security Limitations