©1999 by J. D. Tygar Endeavour Overview 1 Endeavour Security and assurance Doug Tygar UC Berkeley 25 May 1999.

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Presentation transcript:

©1999 by J. D. Tygar Endeavour Overview 1 Endeavour Security and assurance Doug Tygar UC Berkeley 25 May 1999

©1999 by J. D. Tygar Endeavour Overview 2 Challenges: Protocols and Mobile Applications Two sides for mobile applications: –protecting the remote host from the mobile code –protecting the mobile code from the remote host! Automatic generation of best security protocol Ad hoc and temporal access control –Access control/security negotiation Use of cryptographic hardware tokens –How to evaluate, build, break tamper-resistant boundaries –Differential power analysis

©1999 by J. D. Tygar Endeavour Overview 3 Wider challenges Microauctions/economics for resource control Rights management tagging Design for survivability All of this with privacy

©1999 by J. D. Tygar Endeavour Overview 4 Plan One year –Synthesis of code for optimal security protocols –Toolkit for cryptographic key management for mobile code –Design of ad hoc and temporal access control –“Little TEMPEST” protection for hardware tokens Three year –Integration with applications across Endeavour –Privacy analysis for high assurance mechanisms –Automatic or semi-automatic resource allocation using micro-auctions. –High survivability mechanisms

©1999 by J. D. Tygar Endeavour Overview 5

©1999 by J. D. Tygar Endeavour Overview 6 Latest wrinkle -- power analysis attacks Publicized by Paul Kocher et al. Use current drawn by device to read off cryptographic key Typical MOS Transistor:

©1999 by J. D. Tygar Endeavour Overview 7 Simple Power Analysis

©1999 by J. D. Tygar Endeavour Overview 8 Differential Power Analysis

©1999 by J. D. Tygar Endeavour Overview 9

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