Adaptively secure identity-based broadcast encryption with constant size private keys and ciphertexts from the subgroups.
Leyou ZhangYupu HuQing WuPublished in: Math. Comput. Model. (2012)
Keyphrases
- ciphertext
- encryption scheme
- private key
- standard model
- identity based encryption
- secret key
- cca secure
- homomorphic encryption
- stream cipher
- key management
- diffie hellman
- public key
- proxy re encryption
- key distribution
- security analysis
- advanced encryption standard
- signature scheme
- authentication scheme
- signcryption scheme
- secure communication
- encryption algorithm
- encrypted data
- security model
- encryption decryption
- provably secure
- hash functions
- privacy preserving
- public key cryptography
- secret sharing scheme
- data sharing
- session key
- key agreement
- key establishment
- key management scheme
- smart card
- security requirements
- mutual authentication
- fault model
- key exchange