| Publisher | University of Illinois | ||
|---|---|---|---|
| Format | 594.2KB PDF | Date added | 28 Apr 2003 |
| Topics | Network Security, PKI, Mobile - Wireless Communications | ||
| Downloads | 94 | ||
PKI has been recognized as one of the most effective tools for providing security for dynamic networks. However, providing such an infrastructure in ad hoc wireless networks is a challenging task due to their infrastructure-less nature. This paper presents these challenges in detail, identify the requirements for such solutions, and propose a practical PKI service for ad hoc networks. It employs threshold cryptography to distribute the CA functionality over specially selected nodes based on the security and the physical characteristics of nodes. The selected nodes that collectively provide PKI functionality are called MOCA (MObile Certificate Authority)s. Using these MOCAs; it presents an efficient and effective communication protocol for correspondence with MOCAs for certification services.
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