摘要
为更好地解决移动语音通信安全传输的问题,本课题提出了一个在用户不更换手机、不开通新业务、不对现有移动通信网络进行改造、且有较高的语音通信安全性的前提下,解决手机语音保密通信问题的方案。本课题面向目前我国仍广泛使用的GSM移动通信网络,使用Altera公司的DE2开发板为开发载体,以构建的NiosⅡ处理器为核心,利用FPGA内部的逻辑和存储器资源,采取芯片化设计思想,将抗RPE-LTP的语音加解密算法硬件化实现,设计实现了对移动语音通信的信源进行加密传输的系统。加密后的语音信息仍由手机通过移动网络进行传输,接收方接收后,使用具有解密功能的响应系统进行解密处理,获取语音信息。本系统不依赖具体的手机和网络,移植性强,具有巨大的商业和现实意义。
In order to better solve the mobile voice communication security problem, this paper proposes a user does not replace the mobile phone, do not open the new business, not the existing mobile communication network transformation, and has high voice communication security under the premise, to solve the mobile phone voice secure communication scheme. This topic for GSM mobile communication network at present in our country is still widely used, DE2 development board using Altera for the development of carrier, Nios II processor construction as the core, the use of logic and memory resources within the FPGA, take the chip design, the voice encryption and decryption algorithm hardware anti RPE-LTP implementation, design the realization of the mobile voice communication source system encryption, encrypted voice information transmission by the mobile phone through the mobile network, after receiving the decryption processing, use the corresponding system with decryption function, acquiring speech information. The system does not rely on the specific mobile phone and network, portability, has great commercial and practical significance.
出处
《信息网络安全》
2013年第2期47-52,共6页
Netinfo Security
