(In)security of concrete instantiation of Lin17's functional encryption scheme from noisy multilinear maps.
Wonhee ChoJiseung KimChangmin LeePublished in: Des. Codes Cryptogr. (2021)
Keyphrases
- encryption scheme
- standard model
- security analysis
- cca secure
- diffie hellman
- data sharing
- public key
- secret key
- public key cryptosystem
- ciphertext
- lossless compression
- hash functions
- public key encryption
- security model
- encryption algorithm
- database
- principal component analysis
- sensitive data
- security policies
- smart card
- security properties
- private key
- access control
- key exchange
- provably secure
- encryption key
- homomorphic encryption
- databases
- identity based encryption