Keyphrases
- multi user
- pseudorandom
- virtual environment
- stream cipher
- virtual world
- multi granularity
- encryption algorithm
- user interface
- augmented reality
- multiple users
- random number
- secret key
- single user
- uniformly distributed
- decision trees
- access control
- encryption scheme
- network security
- security analysis
- intrusion detection
- multi touch
- information security
- security requirements
- statistical databases
- privacy preserving
- human computer interaction
- closed loop
- collaborative writing
- tree structure