37 search results - page 4 / 8 » Undeniable Signatures |
SCN
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. This paper shows some efficient and provably-secure convertible undeniable signature schemes (with both selective conversion and all conversion), in the standard model an...
PKC
2005
Springer
14 years 28 days 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...
CRYPTO
1989
Springer
13 years 11 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...
JOC
2011
12 years 10 months ago
2011
This paper is devoted to the design and analysis of short undeniable signatures based on a random oracle. Exploiting their online property, we can achieve signatures with a fully s...
IJNSEC
2008
13 years 7 months ago
2008
Recently non-abelian groups have attracted the attention of cryptographers for constructing public-key cryptographic protocols. In this paper we use the conjugacy problem in non-a...