270 search results - page 10 / 54 » Practical forward secure group signature schemes |
INFORMATICALT
2000
13 years 8 months ago
2000
In the (t, n) proxy signature scheme, the signature, originally signed by a signer, can be signed by t or more proxy signers out of a proxy group of n members. Recently, an efficie...
ASIACRYPT
2004
Springer
14 years 9 days ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
EUROPKI
2006
Springer
14 years 7 days ago
2006
Springer
Ring signature is a group-oriented signature in which the signer can spontaneously form a group and generate a signature such that the verifier is convinced the signature was gener...
ICCSA
2005
Springer
14 years 2 months ago
2005
Springer
In resent years, Popescu proposed several group signature schemes based on the Okamoto-Shiraishi assumption in [8–11], and claimed his schemes are secure. However, this paper dem...
CTRSA
2007
Springer
14 years 2 months ago
2007
Springer
In 1999, two signature schemes based on the flexible RSA problem (a.k.a. strong RSA problem) were independently introduced: the Gennaro-Halevi-Rabin (GHR) signature scheme and the...