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Attribute-based encryption for fine-grained access control of encrypted data
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Source Conference on Computer and Communications Security archive
Proceedings of the 13th ACM conference on Computer and communications security table of contents
Alexandria, Virginia, USA
SESSION: Data protection table of contents
Pages: 89 - 98  
Year of Publication: 2006
ISBN:1-59593-518-5
Authors
Vipul Goyal  University of California at Los Angeles
Omkant Pandey  University of California at Los Angeles
Amit Sahai  University of California at Los Angeles
Brent Waters  SRI International
Sponsors
SIGSAC: ACM Special Interest Group on Security, Audit, and Control
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
Bibliometrics
Downloads (6 Weeks): 46,   Downloads (12 Months): 336,   Citation Count: 13
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ABSTRACT

As more sensitive data is shared and stored by third-party sites on the Internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data, is that it can be selectively shared only at a coarse-grained level (i.e., giving another party your private key). We develop a new cryptosystem for fine-grained sharing of encrypted data that we call Key-Policy Attribute-Based Encryption (KP-ABE). In our cryptosystem, ciphertexts are labeled with sets of attributes and private keys are associated with access structures that control which ciphertexts a user is able to decrypt. We demonstrate the applicability of our construction to sharing of audit-log information and broadcast encryption. Our construction supports delegation of private keys which subsumesHierarchical Identity-Based Encryption (HIBE).


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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CITED BY  13

Collaborative Colleagues:
Vipul Goyal: colleagues
Omkant Pandey: colleagues
Amit Sahai: colleagues
Brent Waters: colleagues