204 search results - page 3 / 41 » Provably Secure Metering Scheme |
CRYPTO
2000
Springer
13 years 10 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...
ASIACRYPT
2004
Springer
13 years 9 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...
INDOCRYPT
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. We present a new elliptic curve cryptosystem with fast encryption and key generation, which is provably secure in the standard model. The scheme uses arithmetic modulo n2...
ISCI
2008
13 years 5 months ago
2008
Directed signature scheme allows only a designated verifier to check the validity of the signature issued to him; and at the time of trouble or if necessary, any third party can v...
INFORMATICALT
2010
13 years 3 months ago
2010
A proxy signature scheme enables an original signer to delegate its signing capability to a proxy signer and then the proxy signer can sign a message on behalf of the original sign...