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WETICE
2003
IEEE
14 years 4 months ago
Supporting Digital Signatures in Mobile Environments
Digital signatures, like physical signatures, can verify that a specific user affixed their signature to a document and they can also verify that the document is the same as when ...
Scott Campbell
CCS
2007
ACM
14 years 5 months ago
Attribute-based encryption with non-monotonic access structures
We construct an Attribute-Based Encryption (ABE) scheme that allows a user’s private key to be expressed in terms of any access formula over attributes. Previous ABE schemes wer...
Rafail Ostrovsky, Amit Sahai, Brent Waters