Keyphrases
- public key
- image authentication
- security analysis
- security model
- digital signature
- authentication scheme
- public key cryptography
- signature scheme
- diffie hellman
- private key
- public key cryptosystem
- secret key
- watermarking scheme
- secret message
- elliptic curve cryptography
- watermarking algorithm
- digital images
- information hiding
- authentication protocol
- encryption scheme
- digital watermarking
- copyright protection
- provably secure
- data hiding
- rfid tags