ICISC
1998
13 years 5 months ago
1998
Abstract. In 14] and 21] there are proposed ElGamal-type cryptosystems based on non-maximal imaginary quadratic orders with fast trapdoor decryption. The trapdoor information is th...
ASIACRYPT
2000
Springer
13 years 8 months ago
2000
Springer
Abstract. In this work we investigate the difficulty of the discrete logarithm problem in class groups of imaginary quadratic orders. In particular, we discuss several strategies t...
EUROCRYPT
2003
Springer
13 years 9 months ago
2003
Springer
A variant of Schnorr’s signature scheme called RDSA has been proposed by I. Biehl, J. Buchmann, S. Hamdy and A. Meyer in order to be used in finite abelian groups of unknown ord...