Cryptanalysis of a pairing-free certificate-based proxy re-encryption scheme for secure data sharing in public clouds.
S. Sharmila Deva SelviIrene Miriam IsaacC. Pandu RanganPublished in: IACR Cryptol. ePrint Arch. (2019)
Keyphrases
- data sharing
- sensitive data
- homomorphic encryption
- public key encryption
- encryption scheme
- data access
- authentication mechanism
- information sharing
- data integration
- distributed data
- peer to peer
- factor authentication
- block cipher
- semantic interoperability
- private data
- privacy protection
- public key infrastructure
- government agencies
- data providers
- cloud computing
- security analysis
- data encryption
- data provenance
- standard model
- privacy preserving
- diffie hellman
- data privacy
- databases
- s box
- key management
- public sector
- public key
- hash functions
- smart card
- data management