Experimental measurements and design guidelines for real-time software encryption in multimedia wireless LANs |
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Authors: | Aura Ganz Se Hyun Park Zvi Ganz |
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Institution: | (1) Multimedia Networks Laboratory, ECE Department, University of Massachusetts, Amherst, MA 01003, USA |
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Abstract: | To secure interactive multimedia applications in wireless LANs (WLANs), it is pertinent to implement real time cryptographic
services. In this paper we evaluate the use of software based encryption algorithms that are implemented in the layer service
provider as defined by WinSock 2 for Windows 95/NT. Our measurements show that software implementation of various encryptors
can sustain the throughput requirements of interactive multimedia applications for WLANs such as telephone-quality audio,
video conferencing, and MPEG video. We present a design methodology that includes guidelines for a secure multimedia system
design in terms of the encryption method chosen as a function of required application throughput, system configuration, protocol
layers overhead and wireless LAN throughput.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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