Keyphrases
- signature scheme
- designated verifier
- standard model
- chosen message
- public key
- threshold signature scheme
- digital signature scheme
- secret key
- group signature scheme
- bilinear pairings
- security model
- blind signature scheme
- blind signature
- digital signature
- provably secure
- key distribution
- fair exchange
- public key cryptosystem
- digital images
- authentication protocol
- security analysis
- database systems
- partially blind signature scheme