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SSL服务器证书工作原理

    SSLFUWUQIZHENGSHUYINGYONGFEICHANGGUANGFAN,CHANGYONGZAIJINRONG,DIANSHANG,BAOXIANDENGGEGEXINGYE。ZHIYAONIDECHANPINHEHULIANWANGYOUGUAN,SHEJIDAOGEZHONGSIMIBAOMISHUJU,BIXUANZHUANGSSLANQUANFUWUQIZHENGSHU。

万豪游戏 ZHENGSHUSHISHUZIZHENGSHUDEYIZHONG,LEISIYUJIASHIZHENG、HUZHAOHEYINGYEZHIZHAODEDIANZIFUBEN。YINWEIPEIZHIZAIFUWUQISHANG,YECHENGWEISSLFUWUQIZHENGSHU。SSLFUWUQIZHENGSHUDEZHUYAOJIAOSEJIUSHIWEIWANGZHANDEJIMISHUJUJINXINGJIAMIHEYINZANG,QUEBAOSHUJUZAICHUANSONGZHONGBUBEIGAIBIAN,JISHUJUDEWANZHENGXING,XIANYICHENGWEIGAILINGYUZHONGQUANQIUHUADEBIAOZHUN。YOUYUSSLJISHUYIJIANLIDAOSUOYOUZHUYAODELIULANQIHEWEBFUWUQICHENGXUZHONG,YINCI,JINXUANZHUANGFUWUQIZHENGSHUJIUKEYIJIHUOGAIGONGNENGLE,JITONGGUOTAKEYIJIHUOSSLXIEYI,SHIXIANSHUJUXINXIZAIKEHUDUANHEFUWUQIZHIJIANDEJIAMICHUANSHU,KEYIFANGZHISHUJUXINXIDEXIELU。BAOZHENGLESHUANGFANGCHUANDIXINXIDEANQUANXING,ERQIEYONGHUKEYITONGGUOFUWUQIZHENGSHUYANZHENGTASUOFANGWENDEWANGZHANSHIFOUSHIZHENSHIKEKAO。

SSL万豪游戏 是一个安全协议,它提供使用 TCP/IP 的通信应用程序间的隐私与完整性。因特网的 超文本传输协议(HTTP)使用 SSL 来实现安全的通信。

ZAIKEHUDUANYUFUWUQIJIANCHUANSHUDESHUJUSHITONGGUOSHIYONGDUICHENGSUANFA(RU DES HUO RC4)JINXINGJIAMIDE。GONGYONGMIYAOSUANFA(TONGCHANGWEI RSA)SHIYONGLAIHUODEJIAMIMIYAOJIAOHUANHESHUZIQIANMINGDE,CISUANFASHIYONGFUWUQIDESSLSHUZIZHENGSHUZHONGDEGONGYONGMIYAO。YOULEFUWUQIDESSLSHUZIZHENGSHU,KEHUDUANYEKEYIYANZHENGFUWUQIDESHENFEN。SSL XIEYIDEBANBEN 1 HE 2 ZHITIGONGFUWUQIRENZHENG。BANBEN 3 TIANJIALEKEHUDUANRENZHENG,CIRENZHENGTONGSHIXUYAOKEHUDUANHEFUWUQIDESHUZIZHENGSHU。

SSL 握手

SSL LIANJIEZONGSHIYOUKEHUDUANQIDONGDE。ZAISSL HUIHUAKAISHISHIZHIXING SSL WOSHOU。CIWOSHOUCHANSHENGHUIHUADEMIMACANSHU。GUANYURUHECHULI SSL WOSHOUDEJIANDANGAISHU,RUXIATUSUOSHI。CISHILIJIASHEYIZAI Web LIULANQI HE Web FUWUQIJIANJIANLILE SSL LIANJIE。

SSL工作原理
图  SSL的客户端与服务器端的认证握手

万豪游戏(1)  KEHUDUANFASONGLIECHUKEHUDUANMIMANENGLIDEKEHUDUAN“NINHAO”XIAOXI(YIKEHUDUANSHOUXUANXIANGSHUNXUPAIXU),RU SSL DEBANBEN、KEHUDUANZHICHIDEMIMADUI(JIAMITAOJIAN)HEKEHUDUANZHICHIDESHUJUYASUOFANGFA(HAXIHANSHU)。XIAOXIYEBAOHAN 28 ZIJIEDESUIJISHU。

万豪游戏(2) FUWUQIYIFUWUQI“NINHAO”XIAOXIXIANGYING,CIXIAOXIBAOHANMIMAFANGFA(MIMADUI)HEYOUFUWUQIXUANZEDESHUJUYASUOFANGFA,YIJIHUIHUABIAOSHIHELINGYIGESUIJISHU。

注意:客户端和服务器至少必须支持一个公共密码对,否则握手失败。服务器一般选择最大的公共密码对。

万豪游戏(3) FUWUQIFASONGQISSLSHUZIZHENGSHU。(FUWUQISHIYONGDAIYOU SSL DE X.509 V3 SHUZIZHENGSHU。)

RUGUOFUWUQISHIYONG SSL V3,ERFUWUQIYINGYONGCHENGXU(RU Web FUWUQI)XUYAOSHUZIZHENGSHUJINXINGKEHUDUANRENZHENG,ZEKEHUDUANHUIFACHU“SHUZIZHENGSHUQINGQIU”XIAOXI。ZAI “SHUZIZHENGSHUQINGQIU”XIAOXIZHONG,FUWUQIFACHUZHICHIDEKEHUDUANSHUZIZHENGSHULEIXINGDELIEBIAOHEKEJIESHOUDECADEMINGCHENG。

(4)  FUWUQIFACHUFUWUQI“NINHAOWANCHENG”XIAOXIBINGDENGDAIKEHUDUANXIANGYING。

万豪游戏(5) YIJIEDAOFUWUQI“NINHAOWANCHENG”XIAOXI,KEHUDUAN( Web LIULANQI)JIANGYANZHENGFUWUQIDESSLSHUZIZHENGSHUDEYOUXIAOXINGBINGJIANCHAFUWUQIDE“NIHAO”XIAOXICANSHUSHIFOUKEYIJIESHOU。

RUGUOFUWUQIQINGQIUKEHUDUANSHUZIZHENGSHU,KEHUDUANJIANGFASONGQISHUZIZHENGSHU;HUOZHE,RUGUOMEIYOUHESHIDESHUZIZHENGSHUSHIKEYONGDE,KEHUDUANJIANGFASONG“MEIYOUSHUZIZHENGSHU”JINGGAO。CIJINGGAOJINJINSHIJINGGAOERYI,DANRUGUOKEHUDUANSHUZIZHENGSHURENZHENGSHIQIANGZHIXINGDEHUA,FUWUQIYINGYONGCHENGXUJIANGHUISHIHUIHUASHIBAI。

(6)  KEHUDUANFASONG“KEHUDUANMIYAOJIAOHUAN”XIAOXI。CIXIAOXIBAOHAN pre-master secret(YIGEYONGZAIDUICHENGJIAMIMIYAOSHENGCHENGZHONGDE 46 ZIJIEDESUIJISHUZI),HE XIAOXIRENZHENGDAIMA( MAC )MIYAO(YONGFUWUQIDEGONGYONGMIYAOJIAMIDE)。

万豪游戏RUGUOKEHUDUANFASONGKEHUDUANSHUZIZHENGSHUJIFUWUQI,KEHUDUANJIANGFACHUQIANYOUKEHUDUANDEZHUANYONGMIYAODE“SHUZIZHENGSHUYANZHENG”XIAOXI。TONGGUOYANZHENGCIXIAOXIDEQIANMING,FUWUQIKEYIXIANSHIYANZHENGKEHUDUANSHUZIZHENGSHUDESUOYOUQUAN。

注意: 如果服务器没有属于数字证书的专用密钥,它将无法解密 pre-master 密码,也无法创建对称加密算法的正确密钥,且握手将失败。

万豪游戏(7) KEHUDUANSHIYONGYIXILIEJIAMIYUNSUANJIANG pre-master secret ZHUANHUAWEI master secret,QIZHONGJIANGPAISHENGCHUSUOYOUYONGYUJIAMIHEXIAOXIRENZHENGDEMIYAO。RANHOU,KEHUDUANFACHU“GENGGAIMIMAGUIFAN” XIAOXIJIANGFUWUQIZHUANHUANWEIXINXIESHANGDEMIMADUI。KEHUDUANFACHUDEXIAYIGEXIAOXI(“WEIWANCHENG”DEXIAOXI)WEIYONGCIMIMAFANGFAHEMIYAOJIAMIDEDIYITIAOXIAOXI。

(8) FUWUQIYIZIJIDE“GENGGAIMIMAGUIFAN”HE“YIWANCHENG”XIAOXIXIANGYING。

(9) SSL WOSHOUJIESHU,QIEKEYIFASONGJIAMIDEYINGYONGCHENGXUSHUJU。


万豪游戏GEYOUGUANDANWEIQIYE,QIANGLIETUIJIANXUANYONGYIKUANSHIHEZIJIDANWEIYEWUDESSLFUWUQIANQUANZHENGSHU。

诺顿SSLlogoSymantec-logo.jpgRapidssl-logo.jpgGlobalSign.jpgGeoTrust.jpg

SSL服务器证书中心九州飞扬免费咨询电话:400-1017-686 付经理

 

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