Keyphrases
- proxy re encryption
- keyword search
- public key encryption
- identity based encryption
- provably secure
- standard model
- keywords
- security model
- search engine
- relational databases
- ciphertext
- structured data
- public key
- xml documents
- cca secure
- xml keyword search
- xml data
- keyword queries
- query keywords
- hash functions
- web search engines
- proximity search
- diffie hellman
- encryption scheme
- bilinear pairings
- key management
- secret key
- security analysis
- database
- query language
- databases
- security requirements
- low cost
- high dimensional