Keyphrases
- scheme for wireless sensor networks
- reversible watermarking
- data aggregation
- wireless sensor networks
- key management
- watermarking scheme
- key distribution
- prediction error
- digital watermarking
- stream cipher
- authentication scheme
- security analysis
- resource constrained
- user authentication
- energy efficient
- security mechanisms
- secret key
- sensor networks
- authentication protocol
- low cost
- smart card
- routing protocol
- high security