Keyphrases
- designated verifier
- proxy signature scheme
- proxy blind signature scheme
- ring signature scheme
- signature scheme
- original signer
- proxy blind signature
- proxy signature
- security model
- proxy signer
- signcryption scheme
- bilinear pairings
- standard model
- designated verifier signature
- blind signature
- private key
- security analysis
- trusted third party
- elliptic curve