A Concealed t-out-of-n Signer Ambiguous Signature Scheme with Variety of Keys.
Ya-Fen ChangChin-Chen ChangPei-Yu LinPublished in: Informatica (2007)
Keyphrases
- signature scheme
- private key
- secret key
- standard model
- hash functions
- public key
- digital signature scheme
- threshold signature scheme
- digital signature
- blind signature
- group signature scheme
- diffie hellman
- designated verifier
- ciphertext
- key distribution
- blind signature scheme
- bilinear pairings
- public key cryptosystem
- authentication scheme
- original signer
- digital images
- security analysis
- provably secure