134 search results - page 8 / 27 » On the security of a convertible group signature scheme |
126
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ASIACRYPT
2004
Springer
15 years 3 months 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...
ICCSA
2005
Springer
15 years 5 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...
106
Voted
ISPEC
2005
Springer
15 years 5 months ago
2005
Springer
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
100
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INDOCRYPT
2005
Springer
15 years 5 months ago
2005
Springer
We propose a scheme for electronic cash based on symmetric primitives. The scheme is secure in the framework for universal composability assuming the existence of a symmetric CCA2-...
100
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ESORICS
2012
Springer
13 years 2 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 ...