209 search results - page 16 / 42 » Secure Hash-and-Sign Signatures Without the Random Oracle |
CRYPTO
2004
Springer
14 years 25 days ago
2004
Springer
ded abstract of this paper is to appear in Advances in Cryptology—CRYPTO 2004, Springer-Verlag. We construct a short group signature scheme. Signatures in our scheme are approxi...
CRYPTO
2004
Springer
14 years 25 days ago
2004
Springer
Ordinarily, RSA and Rabin ciphertexts and signatures are log N bits, where N is a composite modulus; here, we describe how to “compress” Rabin ciphertexts and signatures (among...
CRYPTO
2000
Springer
13 years 11 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
2008
13 years 7 months ago
2008
The devastating consequence of secret key exposure in digital signature is that any signature can be forged and cannot be trusted. To mitigate the damage of secret key exposure, f...
IJNSEC
2008
13 years 7 months ago
2008
In this paper, we suggest solutions to the key exposure problem in ring signature. In particular, we propose the first forward secure ring signature scheme and the first key-insul...