Keyphrases
- standard model
- chosen ciphertext
- identity based encryption
- forward secure
- public key encryption scheme
- encryption scheme
- threshold signature scheme
- proxy re encryption
- cca secure
- public key
- provably secure
- ciphertext
- signature scheme
- signcryption scheme
- diffie hellman
- security analysis
- low cost
- public key cryptosystem
- cryptographic protocols
- secret key