WETICE
2003
IEEE
15 years 2 months ago
2003
IEEE
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 ...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
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...