270 search results - page 11 / 54 » Practical forward secure group signature schemes |
ISPEC
2005
Springer
14 years 2 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 ...
EUROCRYPT
2001
Springer
14 years 1 months ago
2001
Springer
Abstract. Known practical blind signature schemes whose security against adaptive and parallel attacks can be proven in the random oracle model either need five data exchanges bet...
INDOCRYPT
2005
Springer
14 years 2 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-...
ESORICS
2012
Springer
11 years 11 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 ...
IJNSEC
2008
13 years 8 months ago
2008
In this paper, we suggest solutions to the key exposure problem in ring signature. In particular, we propose the first forward secure ring signature scheme and the first key-insul...