Identity-based Broadcast Encryption Scheme with Untrusted PKG.
Shanqing GuoChunhua ZhangPublished in: ICYCS (2008)
Keyphrases
- encryption scheme
- private key
- encrypted data
- standard model
- security analysis
- public key
- ciphertext
- data sharing
- identity based encryption
- third party
- cca secure
- secret key
- secret sharing scheme
- diffie hellman
- signcryption scheme
- privacy preserving
- security policies
- security model
- proxy re encryption
- provably secure
- hash functions
- signature scheme
- data privacy
- lossless compression
- public key cryptosystem
- low cost
- image encryption