PKC
2005
Springer
14 years 5 months ago
2005
Springer
In this paper, we first introduce a new kind of adversarial goal called forge-and-impersonate in undeniable signature schemes. Note that forgeability does not necessarily imply im...
EUROCRYPT
2005
Springer
14 years 5 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 ...