Cryptanalysis on Two Pairing-Free Ciphertext-Policy Attribute-Based Encryption Schemes.
Yi-Fan TsengJheng-Jia HuangPublished in: ICS (2020)
Keyphrases
- ciphertext
- secret key
- encryption scheme
- s box
- standard model
- proxy re encryption
- hash functions
- smart card
- cca secure
- public key
- chosen ciphertext
- public key encryption
- identity based encryption
- security analysis
- encryption algorithm
- private key
- chosen plaintext attack
- authentication scheme
- key management
- signature scheme
- secret sharing scheme
- diffie hellman
- provably secure
- forward secure
- key distribution
- security model
- data sharing
- low cost