Attribute-Based Encryption for Fine-Grained Access Control of Encypted Data (2006)
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BibTeX
@MISC{Goyal06attribute-basedencryption,
author = {Vipul Goyal and Omkant Pandey and et al.},
title = {Attribute-Based Encryption for Fine-Grained Access Control of Encypted Data },
year = {2006}
}
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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







