- ... Capabilities1
- This
work is supported by the Defense Advanced Project Agency (DARPA)
under contract F30602-99-1-0530.
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- ... Boneh2
- Computer Science Department, Stanford University.
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- ... Ding2
- Computer Science Department, Stanford University.
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- ... Tsudik3
- Department of Information and Computer Science,
University of California, Irvine.
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- ... key.2
- The exact description of
the token is in Section 2.
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