19 search results - page 2 / 4 » On the Security of Dynamic Group Signatures: Preventing Sign... |
PKC
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
ACISP
2005
Springer
13 years 11 months ago
2005
Springer
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
ACMSE
2009
ACM
13 years 3 months ago
2009
ACM
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
AMC
2005
13 years 5 months ago
2005
A multisignature scheme for specified group of verifiers needs a group of signers' cooperation to sign a message to a specified group of verifiers that must cooperate to check...
PKC
2010
Springer
13 years 9 months ago
2010
Springer
Sanitizable signatures allow a designated party, called the sanitizer, to modify parts of signed data such that the immutable parts can still be verified with respect to the origi...