Cryptanalysis of Two Nonrepudiable Threshold Proxy Signature Schemes.
Qi XieXiuyuan YuPublished in: Int. J. Netw. Secur. (2006)
Keyphrases
- signature scheme
- proxy signature
- bilinear pairings
- proxy signature scheme
- original signer
- standard model
- designated verifier
- public key
- proxy re encryption
- proxy signer
- threshold signature scheme
- digital signature scheme
- signcryption scheme
- digital signature
- blind signature
- group signature scheme
- secret key
- private key
- hash functions
- ring signature
- public key cryptosystem
- forward secure
- blind signature scheme
- identity based cryptography
- identity based signature
- security model
- key distribution
- provably secure