Keyphrases
- encryption scheme
- proxy re encryption
- standard model
- ciphertext
- security model
- keyword search
- public key
- cca secure
- cryptographic protocols
- security analysis
- data sharing
- secret key
- public key encryption
- watermarking scheme
- lossless compression
- security protocols
- diffie hellman
- hash functions
- s box
- multiresolution
- databases