88 search results - page 15 / 18 » Digital Signature Schemes with Restriction on Signing Capabi... |
DRM
2003
Springer
15 years 2 months ago
2003
Springer
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
ICICS
2003
Springer
15 years 2 months ago
2003
Springer
The advantage of ID-based system is the simplification of key distribution and certification management; a user can directly use his identity as his public key instead of an arbi...
NDSS
2003
IEEE
15 years 2 months ago
2003
IEEE
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
ASIACRYPT
2003
Springer
15 years 1 months ago
2003
Springer
A fair network payment protocol plays an important role in electronic commerce. The fairness concept in payments can be illustrated as that two parties (e.g. customers and merchant...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...