209 search results - page 5 / 42 » Secure Hash-and-Sign Signatures Without the Random Oracle |
EUROCRYPT
1994
Springer
13 years 11 months ago
1994
Springer
Abstract. We construct the first O(1)-size designated confirmer signatures (DCS) with security in the state-of-the-art model of Camenisch and Michels, Eurocrypt 2000, without rando...
PKC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Key-insulated cryptography is a crucial technique for protecting private keys. To strengthen the security of key-insulated protocols, Hanaoka, Hanaoka and Imai recently i...
ESORICS
2012
Springer
11 years 9 months ago
2012
Springer
We initiate the study of unique group signature such that signatures of the same message by the same user will always have a large common component (i.e., unique identifier). It ...
INDOCRYPT
2005
Springer
14 years 27 days 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...
ICALP
2007
Springer
14 years 1 months ago
2007
Springer
Ring signatures, introduced by Rivest, Shamir and Tauman, enable a user to sign a message anonymously on behalf of a “ring”. A ring is a group of users, which includes the sign...