INDOCRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We introduce a new undeniable signature scheme which is existentially unforgeable and anonymous under chosen message attacks in the standard model. The scheme is an embed...
EUROCRYPT
2005
Springer
13 years 10 months ago
2005
Springer
In undeniable signature schemes, zero-knowledgeness and non-transferability have been identified so far. In this paper, by separating these two notions, we show the first 3-move ...
ICICS
2007
Springer
13 years 10 months ago
2007
Springer
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...