Decentralizing Attribute-Based Encryption

@inproceedings{Bishop2010DecentralizingAE,
  title={Decentralizing Attribute-Based Encryption},
  author={Allison Bishop and Brent Waters},
  booktitle={IACR Cryptology ePrint Archive},
  year={2010}
}
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination other than the creation of an initial set of common reference parameters. A party can simply act as an ABE authority by creating a public key and issuing private keys to different users that reflect their attributes. A user can encrypt data in terms of any boolean formula over attributes issued from any chosen set of… CONTINUE READING

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