Cryptanalysis of Two Fully Anonymous Attribute-Based Group Signature Schemes with Verifier-Local Revocation from Lattices.
Yanhua ZhangXimeng LiuYupu HuQikun ZhangHuiwen JiaPublished in: WISA (2020)
Keyphrases
- signature scheme
- group signature
- designated verifier
- digital signature scheme
- group signature scheme
- public key
- blind signature
- standard model
- key distribution
- proxy signature
- threshold signature scheme
- digital signature
- secret key
- blind signature scheme
- hash functions
- diffie hellman
- private key
- public key cryptosystem
- electronic voting
- bilinear pairings
- ring signature
- public key cryptography
- provably secure