CRYPTO
1989
Springer
14 years 4 months ago
1989
Springer
Abstract. In this paper, we provide a new approach to study undeniable signatures by translating secure digital signatures to secure undeniable signatures so that the existing algo...
EUROCRYPT
1998
Springer
14 years 4 months ago
1998
Springer
We introduce a new cryptosystem with trapdoor decryption based on the di culty of computing discrete logarithms in the class group of the non-maximal imaginary quadratic order O q ...