Jee sook, Eun May 2004 Presented in IEEE 802.1af - key management

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Presentation transcript:

Jee sook, Eun May 2004 Presented in IEEE 802.1af - key management 802.1af - issues Jee sook, Eun May 2004 Presented in IEEE 802.1af - key management

Compare of Key Management method Public-key Symmetric-key Off-line set Creation of Private key (If by user, dictionary attack) Creation of Public key Certificate Creation of Master key (recommended by manufacture) Authentication 802.1x Authentication server No need Key distribution Secured channel Secured channel communication Other upper layer No need mobility O (if all authentication servers are connected in network) O (if move within same LAN)

IPsec Vs. Linksec Linksec target IPsec target Rest of the network Attachment Point Network Attachment Point Networked Device Networked Device Networked Device Networked Device Linksec target IPsec target

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