Keyphrases
- identity management
- authentication protocol
- security mechanisms
- electronic payment
- mobile devices
- mobile phone
- security services
- personal information
- security issues
- factor authentication
- biometric authentication
- privacy protection
- mobile applications
- access control
- private information
- mobile environments
- differential privacy
- privacy preserving
- privacy concerns
- sensitive information
- mobile computing
- trusted third party
- lightweight
- mutual authentication
- image authentication
- mobile commerce
- security analysis
- privacy preservation
- mobile learning
- mobile services
- security requirements
- privacy policies
- location aware
- user authentication
- authentication scheme
- data privacy
- context aware
- mobile networks
- statistical databases
- biometric template
- authentication mechanism
- smart card