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SACMAT
2003
ACM
15 years 11 months ago
Induced role hierarchies with attribute-based RBAC
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...
Mohammad A. Al-Kahtani, Ravi S. Sandhu
ASIACRYPT
2003
Springer
15 years 11 months ago
Generalized Powering Functions and Their Application to Digital Signatures
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...
Hisayoshi Sato, Tsuyoshi Takagi, Satoru Tezuka, Ka...
ASIACRYPT
2003
Springer
15 years 11 months ago
Accumulating Composites and Improved Group Signing
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
Gene Tsudik, Shouhuai Xu
CCS
2003
ACM
15 years 11 months ago
k-anonymous message transmission
Informally, a communication protocol is sender k - anonymous if it can guarantee that an adversary, trying to determine the sender of a particular message, can only narrow down it...
Luis von Ahn, Andrew Bortz, Nicholas J. Hopper
TRUST
2010
Springer
15 years 11 months ago
A Pairing-Based DAA Scheme Further Reducing TPM Resources
Direct Anonymous Attestation (DAA) is an anonymous signature scheme designed for anonymous attestation of a Trusted Platform Module (TPM) while preserving the privacy of the devic...
Ernie Brickell, Jiangtao Li