20 search results - page 3 / 4 » New (t, n) threshold directed signature scheme with provable... |
EUROCRYPT
2004
Springer
13 years 10 months ago
2004
Springer
For the last two decades the notion and implementations of proxy signatures have been used to allow transfer of digital signing power within some context (in order to enable flexi...
ASIACRYPT
2003
Springer
13 years 10 months ago
2003
Springer
This paper investigates some modular powering functions suitable for cryptography. It is well known that the Rabin encryption function is a 4-to-1 mapping and breaking its one-wayn...
EUROCRYPT
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. This work presents a new privacy primitive called “Traceable Signatures”, together with an efficient provably secure implementation. To this end, we develop the unde...
CCS
2005
ACM
13 years 10 months ago
2005
ACM
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
ETRICS
2006
13 years 9 months ago
2006
Anonymity services in the EU may be forced by the new EU data retention directive to collect connection data and deanonymise some of their users in case of serious crimes. For this...