基于ECC的安全实时通讯系统的设计方案.pdf

46 2010 2 ( ) Vo l46 20 10 No2 J ournal o f N orthw est No rm al U niver sity ( N atural Science) 35 基于ECC 的安全实时通讯系统的设计方案 常逢佳 ( , 22 3300) : 分析了即时通讯工具的安全性, 针对安全性薄弱的特点设计了一套利用椭圆曲 密码系统和A E S 加密算法 相混合的加密方案, 该方案保证了即时通讯系统中客户与服务器用户与用户三方通信过程的安全性. 利用Jav a 语 言环境在So cket 技术支持下开发出实验软件, 验证了方案的可行性. : 椭圆曲 密码系统 即时通讯 信息安全 : T P 39 308 : A : 10019 88 ( 2010) Design schem e of secure in stant m essaging sy stem b ased on ECC CH A N G F engjia ( Schoo l o f Co mputer Science and T echno lo gy , Hu aiy in T eacher s Co llege, H uaian 22 3300, J iang su , China) Abstract: T he ar ticle analy ses t he saf et y of t he pr esent in st ant m es seng er in det ail, and design s an encr ypt ion schem e b ased on a m ix of ellipt ic curv e crypto graphy and A ES encrypt io n algo rithm according to the w eakness of t he security feat ures of in st ant m es senger . T his schem e gu arant ees the saf et y of t rip artit e com municat ion pro cess f rom client t o server and f rom cu st om er t o custo mer in t he in st ant messag ing syst em . U sing t he Java langu age enviro nm ent in the so cket t echnolog y, t his design develop s an ex periment al so ft w are t o prov e t he f easibilit y . Key words: ellipt ic curve crypt osy st em in st ant messag ing infor matio n securit y ( In st ant Mes saging, IM) , , . [ 1, 2] , , , . . ! ∀ ,