Cryptanalysis of the birational permutation signature scheme over a non-commutative ring.
Naoki OguraShigenori UchiyamaPublished in: JSIAM Lett. (2010)
Keyphrases
- signature scheme
- ring signature
- public key
- standard model
- designated verifier
- secret key
- digital signature
- threshold signature scheme
- digital signature scheme
- group signature scheme
- blind signature
- hash functions
- public key cryptosystem
- provably secure
- diffie hellman
- bilinear pairings
- forward secure
- original signer
- key distribution
- blind signature scheme
- fair exchange
- private key
- security model
- similarity measure