Keyphrases
- virtual private network
- biometric authentication
- identity authentication
- ip networks
- security analysis
- image authentication
- authentication scheme
- semi fragile watermarking
- fragile watermarking
- authentication mechanism
- application layer
- user authentication
- digital watermarking
- social networks
- real time
- biometric data
- quality of service
- data encryption
- low cost
- factor authentication
- digital images