| 摘要: |
| 详细介绍了GPRS与UMTS系统的网络接入安全机制，分析了GPRS系统中存在的安全漏洞及UMTS较GPRS在网络接入安全性方面的改善，最后分析了UMTS系统中存在的安全缺陷。 |
| 关键词: 移动通信系统 网络接入安全 认证 密钥协商 机密性 完整性 |
| DOI：10.3969/j.issn.1001-893X. |
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| 基金项目:重庆市教委科学技术研究项目资助(020507) |
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| Comparison and Study of Network Access Security Mechanisms in GPRS and UMTS |
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| Abstract: |
| This paper introduces the network access security mechanisms in GPRS and UMTS mobile communication system, analyzes the weakness of GPRS and relative improvement by UMTS in aspect of network access security, as well as possible faults of UMTS on network access security. |
| Key words: Mobile communication system,Network access security,Authentication,Key agreement,Confidentiality,Integrity, |
《电讯技术》编辑部 