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Enhancing MIKEY with XTR for Efficient Mobile Secure Key Generation

This draft discusses the limitations of RFC 3830's Diffie-Hellman approach in establishing secure group keys, particularly in mobile computing devices like PDAs. It proposes the application of XTR (Efficient and Compact Subgroup Trace Representation) to enhance MIKEY (Multimedia Internet KEYing) for better performance and efficiency. The focus is on creating a more robust solution for multicast group key generation tailored for resource-constrained devices without sacrificing security.

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Enhancing MIKEY with XTR for Efficient Mobile Secure Key Generation

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  1. XTR algorithm for MIKEY draft-liang-msec-mikey-xtr-00.txt Jing Liang Hui Deng Shouwen Lai

  2. Problem and Goal • RFC3830 uses Diffie-Hellman to establish group secure key • Performance is not good enough in application of mobile computing devices such as PDA. • Our draft is targeted to this problem and we proposed the method of applying XTR for MIKEY.

  3. Performance XTR : Efficient and CompactSubgroup Trace Representation Pentium III 450 MHz and 96 MB of Ram

  4. XTR-DH message Exchange INITIATORRESPONDER I_MESSAGE = HDR, T, RAND, [IDi|CERTi], [IDr], {SP}, XTR-DHi, SIGNi ----> R_MESSAGE = <---- HDR, T, [IDr|CERTr], IDi, XTR-DHr, SIGNr 1.Trace(ga) 3.Both parties computes key Trace(gab) 2.Trace(gb)

  5. Work Item? • Efficient Multicast Group Key Generation for the smart and resource-constrained device should be a problem ?

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