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SMA
2003
ACM
14 years 2 months ago
2003
ACM
We present an efficient algorithm to approximate the swept volume (SV) of a complex polyhedron along a given trajectory. Given the boundary description of the polyhedron and a pat...
CCS
2003
ACM
14 years 2 months ago
2003
ACM
We propose a new notion of cryptographic tamper evidence. A tamper-evident signature scheme provides an additional procedure Div which detects tampering: given two signatures, Div...
DRM
2003
Springer
14 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...
FMCO
2003
Springer
14 years 2 months ago
2003
Springer
Web services security specifications are typically expressed as a mixture of XML schemas, example messages, and narrative explanations. We propose a new specification language fo...
ICICS
2003
Springer
14 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...