More efficient CCA-secure unidirectional proxy re-encryption schemes without random oracles.
Hongbing WangZhenfu CaoPublished in: Secur. Commun. Networks (2013)
Keyphrases
- cca secure
- encryption scheme
- proxy re encryption
- standard model
- ciphertext
- public key encryption scheme
- public key cryptosystem
- provably secure
- public key
- keyword search
- security analysis
- identity based encryption
- security model
- data sharing
- diffie hellman
- secret sharing scheme
- private key
- chosen ciphertext
- lossless compression
- signature scheme
- cost effective
- secret key
- databases
- secret sharing
- forward secure
- hash functions
- lightweight
- search engine