32 search results - page 1 / 7 » A Provably Secure Group Signature Scheme from Code-Based Ass... |
ASIACRYPT
2004
Springer
13 years 8 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
CRYPTO
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. We propose a new and efficient signature scheme that is provably secure in the plain model. The security of our scheme is based on a discrete-logarithm-based assumption p...
CRYPTO
2000
Springer
13 years 9 months ago
2000
Springer
A group signature scheme allows a group member to sign messages anonymously on behalf of the group. However, in the case of a dispute, the identity of a signature’s originator ca...
IJNSEC
2006
13 years 4 months ago
2006
A directed signature scheme allows a designated verifier to directly verify a signature issued to him, and a third party to check the signature validity with the help of the signe...
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...