www.phillipgriffin.com

Advanced CMS

This course extends the introduction to Cryptographic Message Syntax (CMS), presenting advanced information on key management techniques for key establishment. Topics include signed data signature and verification processing, Diffie-Hellman and ECMQV key agreement techniques, and key control using a key commitment protocol Attendees should have at least a basic understanding of CMS, Abstract Syntax Notation (ASN.1), Public Key cryptography, and key establishment mechanisms.

• Course overview
• Review of CMS content types
• Data
• DigestedData
• SignedData
• NamedKeyEncryptedData
• EnvelopedData
• PKI in SignedData
• XML Considerations
• Alternative certificate formats
• Protecting signer identity
• Key Management
• Key transport
• Key agreement
• Diffie-Hellman
• Elliptic Curve MQV
• Other mechanisms
• Key Commitment
• Previously established key
• Password-based encryption
• Other Key Management schemes
• Constructive Key Management
• Using Other Schemes in CMS
• Key Control using DigestedData in SignedData
• Summary
• Useful links
• Questions