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Protecting cryptographic keys: the trace-and-revoke approach

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2 Author(s)

The authors describe two methods for protecting content by creating a legitimate distribution channel. One method broadcasts encrypted data to a selected set of users, and a tracing algorithm uncovers a compromised key's owner. The other method updates user keys to resecure a compromised network.

Published in:

Computer  (Volume:36 ,  Issue: 7 )