Keyphrases
- key management
- encryption key
- security protocols
- cryptographic protocols
- public key encryption
- encryption scheme
- secure communication
- smart card
- digital signature
- security properties
- stream cipher
- cryptographic algorithms
- user interface
- security requirements
- user friendly
- direct manipulation
- security mechanisms
- friendly interface
- wireless sensor networks
- security issues
- secret key
- public key
- hash functions
- novice users
- operating system
- public key cryptography
- interface design
- encryption decryption
- sensitive data