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Securing wireless data: System architecture challenges
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DOI：10.1109/ISSS.2002.1227177.png)
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Abstract
En 中文
Security is critical to a wide range of current and future wireless data applications and services. This paper highlights the challenges posed by the need for security during system architecture design for wireless handsets, and provides an overview of emerging techniques to address them. We focus on the computational requirements for securing wireless data transactions, revealing a gap between these requirements and the trends in processing capabilities of embedded processors used in wireless handsets. We also demonstrate that the use of security protocols causes significant degradation in battery life, a problem that will worsen due to the slow growth in battery capacities. These trends point to a wireless security processing gap that, unless addressed, will impede the deployment of secure high-speed wireless data and multi-media applications. We discuss approaches that are currently being pursued to bridge this gap, including low-complexity cryptographic algorithms, security enhancements to embedded processors, and advanced system architectures for wireless handsets that are enabled by new system-level design methodologies.
Keywords:
security
security processing
encryption
decryption
mobile computing
wireless communications
handset
embedded system
performance
DES
3DES
AES
RSA
SSL
IPSec
WTLS
design methodology
platform
system architecture
Journal
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Papers:
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