Keyphrases
- signature scheme
- group signature
- secret key
- standard model
- public key
- chosen message
- digital signature
- malicious users
- group signature scheme
- designated verifier
- detection mechanism
- threshold signature scheme
- diffie hellman
- provably secure
- blind signature scheme
- chosen ciphertext
- digital signature scheme
- key distribution
- blind signature
- ciphertext
- bilinear pairings
- partially blind signature scheme
- public key cryptosystem
- authentication protocol
- secure communication
- security analysis
- nearest neighbor
- data sets