Unforgeability of Re-Encryption Keys against Collusion Attack in Proxy Re-Encryption.
Ryotaro HayashiTatsuyuki MatsushitaTakuya YoshidaYoshihiro FujiiKoji OkadaPublished in: IWSEC (2011)
Keyphrases
- ciphertext
- proxy re encryption
- standard model
- diffie hellman
- secret key
- signature scheme
- key distribution
- signcryption scheme
- encryption scheme
- public key
- private key
- identity based encryption
- public key encryption
- encryption algorithm
- smart card
- cca secure
- authentication scheme
- digital signature
- secure communication
- blind signature scheme
- key management
- provably secure
- bilinear pairings
- security analysis
- public key cryptosystem
- hash functions
- database
- security model