876 search results - page 25 / 176 » Limits on the Usefulness of Random Oracles |
AAAI
2010
14 years 3 days ago
2010
In cooperative multiagent systems an alternative that maximizes the social welfare--the sum of utilities--can only be selected if each agent reports its full utility function. Thi...
ASIACRYPT
2003
Springer
14 years 3 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...
ASIACRYPT
2009
Springer
14 years 5 months ago
2009
Springer
Group encryption (GE) schemes, introduced at Asiacrypt’07, are an encryption analogue of group signatures with a number of interesting applications. They allow a sender to encryp...
SP
2009
IEEE
14 years 5 months ago
2009
IEEE
Sphinx is a cryptographic message format used to relay anonymized messages within a mix network. It is more compact than any comparable scheme, and supports a full set of security...
ISPA
2005
Springer
14 years 4 months ago
2005
Springer
Identity-based (ID-based) public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate securit...