29 search results - page 3 / 6 » New Signature Schemes with Coupons and Tight Reduction |
LATINCRYPT
2010
13 years 4 months ago
2010
In this article, we propose a new lattice-based threshold ring signature scheme, modifying Aguilar’s code-based solution to use the short integer solution (SIS) problem as securi...
ADBIS
2003
Springer
13 years 11 months ago
2003
Springer
In this paper we present a new compression scheme for signature tree structures. Beyond the reduction of storage space, compression attains significant savings in terms of query pr...
CCS
2003
ACM
13 years 11 months ago
2003
ACM
We propose a new notion of cryptographic tamper evidence. A tamper-evident signature scheme provides an additional procedure Div which detects tampering: given two signatures, Div...
PKC
2000
Springer
13 years 9 months ago
2000
Springer
For the two last decades, electronic authentication has been an important topic. The first applications were digital signatures to mimic handwritten signatures for digital document...
INFORMATICALT
2010
13 years 4 months ago
2010
In a fuzzy identity-based encryption (IBE) scheme, a user with the secret key for an identity ID is able to decrypt a ciphertext encrypted with another identity ID if and only if I...