209 search results - page 32 / 42 » Secure Hash-and-Sign Signatures Without the Random Oracle |
ASIACRYPT
2003
Springer
14 years 19 days ago
2003
Springer
Abstract. ESIGN is an efficient signature scheme that has been proposed in the early nineties (see [14]). Recently, an effort was made to lay ESIGN on firm foundations, using the...
IJNSEC
2006
13 years 7 months ago
2006
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...
NDSS
2003
IEEE
14 years 20 days ago
2003
IEEE
We study proactive two-party signature schemes in the context of user authentication. A proactive two-party signature scheme (P2SS) allows two parties—the client and the server...
INFORMATICALT
2006
13 years 7 months ago
2006
Abstract. This paper presents identity based serial and parallel multisignature schemes using bilinear pairings. Our serial multisignature scheme requires a forced verification at ...
IACR
2011
12 years 7 months ago
2011
Companies, organizations, and individuals often wish to share information to realize valuable social and economic goals. Unfortunately, privacy concerns often stand in the way of ...