106 search results - page 12 / 22 » Cryptanalysis of Koyama Scheme |
IWSEC
2010
Springer
13 years 8 months ago
2010
Springer
In the perspective of RSA, given small encryption exponent e (e.g., e = 216 + 1), the top half of the decryption exponent d can be narrowed down within a small search space. This f...
INFORMATICALT
2000
13 years 9 months ago
2000
Recently, Harn proposed an efficient scheme that can batch verification multiple RSA digital signatures. His scheme can reduce signature verification time. However, there is a weak...
EUROCRYPT
2007
Springer
14 years 1 months ago
2007
Springer
SFLASH is a signature scheme which belongs to a family of multivariate schemes proposed by Patarin et al. in 1998 [9]. The SFLASH scheme itself has been designed in 2001 [8] and ha...
SACRYPT
2004
Springer
14 years 3 months ago
2004
Springer
In this paper, we describe the design of a new family of block ciphers based on a Lai-Massey scheme, named FOX. The main features of this design, besides a very high security level...
INFORMATICALT
2002
13 years 9 months ago
2002
Recently, Park and Lim (1998) proposed two key distribution systems for secure VSAT satellite communications. One provides indirect authentication, and another scheme enables that ...