2016年11月(yue)7日通過的(de)(de)《網(wang)(wang)(wang)絡(luo)安全(quan)法》是致力于保(bao)障網(wang)(wang)(wang)絡(luo)安全(quan)，維護網(wang)(wang)(wang)絡(luo)空(kong)間和社會公(gong)共利益，保(bao)護公(gong)民、法人和其他(ta)組織的(de)(de)合法權(quan)益，促進經(jing)濟社會信息(xi)化健康發(fa)展的(de)(de)一部法律(lv)。2022年9月(yue)12日，國(guo)家(jia)互(hu)聯網(wang)(wang)(wang)信息(xi)辦(ban)公(gong)室發(fa)布了(le)(le)關于公(gong)開征(zheng)求《關于修改(gai)〈中華人民共和國(guo)網(wang)(wang)(wang)絡(luo)安全(quan)法〉的(de)(de)決定(ding)（征(zheng)求意見稿）》意見的(de)(de)通知(zhi)。我(wo)國(guo)對(dui)網(wang)(wang)(wang)絡(luo)安全(quan)環境(jing)的(de)(de)重視由此可見一斑。司(si)空(kong)應用(yong)軟件(jian)作為(wei)一款(kuan)加密(mi)工(gong)具，設(she)計初衷就是為(wei)了(le)(le)保(bao)護個人隱(yin)私及數據在(zai)網(wang)(wang)(wang)絡(luo)傳(chuan)(chuan)輸過程(cheng)(cheng)中的(de)(de)安全(quan)，為(wei)法律(lv)條款(kuan)的(de)(de)具體落地，提供了(le)(le)切(qie)實有效的(de)(de)方法。電子郵件(jian)服(fu)(fu)務模(mo)型的(de)(de)工(gong)作流(liu)程(cheng)(cheng)與傳(chuan)(chuan)統郵政服(fu)(fu)務流(liu)程(cheng)(cheng)大(da)致相同(tong)。不同(tong)郵箱的(de)(de)郵件(jian)加密(mi)附件(jian)加密(mi)嗎

IOS端(duan)(duan)(duan)和安卓(zhuo)端(duan)(duan)(duan)均可(ke)下載(zai)司空(kong)，現(xian)在電腦端(duan)(duan)(duan)也同步(bu)實現(xian)功能了。下面就來說(shuo)說(shuo)PC端(duan)(duan)(duan)如何使用(yong)吧！從公(gong)司官網(wang)下載(zai)中心下載(zai)司空(kong)客戶端(duan)(duan)(duan)，通過手(shou)機掃碼(ma)(ma)登錄。開(kai)啟PC之旅需(xu)要(yao)先在手(shou)機端(duan)(duan)(duan)完成注冊，當(dang)然郵(you)箱綁(bang)(bang)定、解綁(bang)(bang)、換(huan)綁(bang)(bang)都(dou)可(ke)以在PC端(duan)(duan)(duan)操作。由(you)于盒子功能是(shi)(shi)(shi)對本地文件的(de)(de)(de)加(jia)密(mi)，手(shou)機端(duan)(duan)(duan)和PC端(duan)(duan)(duan)是(shi)(shi)(shi)沒有(you)聯系的(de)(de)(de)，分開(kai)操作即可(ke)，PC端(duan)(duan)(duan)管(guan)理(li)更(geng)便(bian)捷。郵(you)件和聊天版塊手(shou)機端(duan)(duan)(duan)和PC端(duan)(duan)(duan)是(shi)(shi)(shi)同步(bu)的(de)(de)(de)，隨時切換(huan)，工作生(sheng)活兩不誤。不同的(de)(de)(de)是(shi)(shi)(shi)PC端(duan)(duan)(duan)郵(you)件和聊天的(de)(de)(de)“量子密(mi)鑰加(jia)密(mi)”、“無痕閱覽”開(kai)關是(shi)(shi)(shi)勾選的(de)(de)(de)。郵(you)件的(de)(de)(de)無痕閱覽功能有(you)彈出提醒(xing)，如不方便(bian)查看，可(ke)以先取消(xiao)，等(deng)空(kong)的(de)(de)(de)時候再仔(zi)細(xi)閱讀。總的(de)(de)(de)來說(shuo)，PC端(duan)(duan)(duan)使用(yong)更(geng)方便(bian)。用(yong)AES256給郵(you)件加(jia)密(mi)怎么(me)操作SM4是(shi)(shi)(shi)分組對稱密(mi)碼(ma)(ma)算法，分組密(mi)碼(ma)(ma)又是(shi)(shi)(shi)什么(me)？

收發(fa)加(jia)(jia)密郵(you)件的前提(ti)是雙(shuang)(shuang)方(fang)都(dou)是司(si)空用(yong)戶，如互為(wei)好(hao)友，那么發(fa)郵(you)件就(jiu)會比較(jiao)方(fang)便，只(zhi)需在通(tong)訊錄(lu)選擇收件人(ren)即可，不(bu)需要繁(fan)瑣地(di)輸(shu)入(ru)郵(you)件地(di)址了。那我(wo)們來看看怎么添(tian)(tian)加(jia)(jia)好(hao)友吧！在應用(yong)中找到(dao)右上角(jiao)⊕按鈕，有兩(liang)種添(tian)(tian)加(jia)(jia)好(hao)友方(fang)式，掃(sao)對(dui)(dui)方(fang)司(si)空二維碼(ma)或直接輸(shu)入(ru)對(dui)(dui)方(fang)的手(shou)機(ji)(ji)號。對(dui)(dui)方(fang)手(shou)機(ji)(ji)號未注冊司(si)空，不(bu)能添(tian)(tian)加(jia)(jia)，搜索注冊過司(si)空的手(shou)機(ji)(ji)號可發(fa)送好(hao)友申請。你(ni)可在好(hao)友申請頁面備注好(hao)友名(ming)稱，也可給對(dui)(dui)方(fang)發(fa)送留言。對(dui)(dui)方(fang)通(tong)過后則添(tian)(tian)加(jia)(jia)成功，雙(shuang)(shuang)方(fang)如都(dou)綁(bang)定了郵(you)箱，就(jiu)可以(yi)體驗聊天和郵(you)件模塊了。

電子(zi)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)系統包括(kuo)3個重要的(de)(de)代(dai)理，分別是：郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)用(yong)(yong)戶(hu)代(dai)理、郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)傳(chuan)(chuan)輸(shu)代(dai)理和郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)投遞(di)代(dai)理。郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)用(yong)(yong)戶(hu)代(dai)理（MailUserAgent，簡(jian)稱MUA），用(yong)(yong)于編輯(ji)和發送郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，以(yi)及從服務器中(zhong)(zhong)下載(zai)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)、管理郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)、閱讀(du)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)等。郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)傳(chuan)(chuan)輸(shu)代(dai)理（MailTransferAgent，簡(jian)稱MTA），用(yong)(yong)于傳(chuan)(chuan)輸(shu)、轉(zhuan)發信件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)。此外，MTA也提供郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)存儲功能。郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)投遞(di)代(dai)理（MailDeliveryAgent，簡(jian)稱MDA），用(yong)(yong)于將MTA發送過來(lai)的(de)(de)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)投遞(di)到(dao)(dao)收(shou)(shou)(shou)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)人(ren)的(de)(de)郵箱中(zhong)(zhong)。在(zai)電子(zi)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)傳(chuan)(chuan)輸(shu)過程中(zhong)(zhong)，MUA接(jie)收(shou)(shou)(shou)用(yong)(yong)戶(hu)投遞(di)的(de)(de)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，再(zai)將郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)發送給MTA。MTA接(jie)收(shou)(shou)(shou)到(dao)(dao)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)之(zhi)(zhi)后，將郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)發送給其(qi)他中(zhong)(zhong)轉(zhuan)MTA，再(zai)發送到(dao)(dao)收(shou)(shou)(shou)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)方(fang)(fang)的(de)(de)MDA。MDA接(jie)收(shou)(shou)(shou)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)之(zhi)(zhi)后，將郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)發送給收(shou)(shou)(shou)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)方(fang)(fang)的(de)(de)MUA，收(shou)(shou)(shou)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)方(fang)(fang)的(de)(de)MUA接(jie)收(shou)(shou)(shou)到(dao)(dao)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)之(zhi)(zhi)后，投遞(di)給收(shou)(shou)(shou)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)方(fang)(fang)。在(zai)這(zhe)個傳(chuan)(chuan)輸(shu)過程中(zhong)(zhong)呢，會用(yong)(yong)到(dao)(dao)多個電子(zi)郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)協(xie)(xie)議(yi)(yi)，常用(yong)(yong)的(de)(de)就是SMTP協(xie)(xie)議(yi)(yi)、POP3/IMAP協(xie)(xie)議(yi)(yi)。郵件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)加密(mi)可以(yi)防止網絡犯罪分子(zi)和其(qi)他惡意人(ren)員竊取敏感信息。

加密后(hou)的(de)信(xin)息(xi)如若(ruo)不慎呈(cheng)現在了第三者(zhe)面前(qian)，會是(shi)怎樣的(de)一種(zhong)情(qing)形呢(ni)？編輯(ji)好的(de)信(xin)息(xi)，如若(ruo)涉(she)及隱私，發送前(qian)那(nei)就(jiu)(jiu)先用(yong)司空加密吧(ba)。你可以用(yong)司空的(de)郵(you)件(jian)加密和聊(liao)天功(gong)能實現。打開“量子密鑰加密”開關，一鍵發送，第三者(zhe)看到的(de)信(xin)息(xi)內容將(jiang)會是(shi)一串(chuan)長長的(de)密文，就(jiu)(jiu)像這樣“JeOW0ix90644AF44606D94034A47DuzA8dPDFe55Lc049TN0IXA==JeOW0ix75EC5D9F12A35E8A8F361955B93C6F2D61A8eeI4yHjjs5X9K4l8QtLG0FbHU6Tb5l+LW0nvqaIEb2nHqEMQQIJt5FtFhM3Gw”。各(ge)種(zhong)的(de)附件(jian)也都(dou)無(wu)法正常打開。綁定(ding)郵(you)箱后(hou)怎么能發送加密郵(you)件(jian)呢(ni)？用(yong)AES256給郵(you)件(jian)加密怎么操作

在律師行業日常(chang)的工作中，使用司空的優(you)勢。不同郵箱的郵件(jian)加密附件(jian)加密嗎

郵(you)件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)的(de)(de)工作原理是將(jiang)郵(you)件(jian)(jian)內容轉化(hua)為一串數(shu)字(zi)，然(ran)后使(shi)(shi)用(yong)(yong)(yong)密(mi)(mi)碼學(xue)算法對這些數(shu)字(zi)進行加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)。只有(you)擁有(you)正確(que)的(de)(de)密(mi)(mi)鑰才(cai)能夠打開這些數(shu)字(zi)，從(cong)而獲(huo)得郵(you)件(jian)(jian)內容。郵(you)件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)技術有(you)很多(duo)種(zhong)，包括(kuo)對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)、非對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)和(he)混(hun)(hun)合(he)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)等。對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)使(shi)(shi)用(yong)(yong)(yong)相(xiang)同的(de)(de)密(mi)(mi)鑰對郵(you)件(jian)(jian)內容進行加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)，而非對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)則使(shi)(shi)用(yong)(yong)(yong)公鑰和(he)私(si)鑰對郵(you)件(jian)(jian)內容進行加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)。混(hun)(hun)合(he)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)則是將(jiang)對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)和(he)非對稱(cheng)(cheng)(cheng)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)結合(he)起來使(shi)(shi)用(yong)(yong)(yong)，以(yi)提高加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)的(de)(de)安(an)全(quan)(quan)性。司空是一款量子密(mi)(mi)鑰加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)軟件(jian)(jian)，保(bao)護用(yong)(yong)(yong)戶(hu)(hu)的(de)(de)數(shu)據和(he)隱私(si)安(an)全(quan)(quan)，幫(bang)助(zhu)用(yong)(yong)(yong)戶(hu)(hu)打造個人私(si)密(mi)(mi)空間(jian)。用(yong)(yong)(yong)戶(hu)(hu)使(shi)(shi)用(yong)(yong)(yong)司空，可以(yi)進行文件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)和(he)郵(you)件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)。不(bu)同郵(you)箱的(de)(de)郵(you)件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)附件(jian)(jian)加(jia)(jia)(jia)(jia)(jia)(jia)密(mi)(mi)嗎

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