Cryptanalysis of an identity based broadcast encryption scheme without random oracles.
Xu An WangJian WengXiaoyuan YangYanjiang YangPublished in: Inf. Process. Lett. (2011)
Keyphrases
- encryption scheme
- secret key
- cca secure
- ciphertext
- hash functions
- signature scheme
- standard model
- public key
- identity based encryption
- diffie hellman
- security analysis
- smart card
- s box
- key management
- provably secure
- secure communication
- public key cryptosystem
- proxy re encryption
- security model
- lossless compression
- secret sharing scheme
- signcryption scheme
- data sharing
- authentication protocol
- key distribution
- private key
- blind signature
- forward secure
- lightweight