Qhov no cov ntaub ntawv uas yuav tau piav expansion P7S. Yuav ua li cas mus qhib cov ntaub ntawv ntawm no hom, raws li zoo raws li lub hom phiaj uas lawv npaj, yuav nthuav dav hauv qab no. Thawj lub npe ntawm cov khoom no PKCS-7 Kos Npe ntaub ntawv.
hauj lwm expansion
Cia peb pib sib tham txog P7S hom. Lub qhib, piav qhia txog nram qab no, tab sis rau tam sim no ua kom to taub lub hom phiaj ntawm qhov kev txiav txim. Khoom ntawm no hom ntawv yog lub e-mail cov lus hais tias muaj ib cov kos npe. Qhov no hom ntawv yog siv rau kev ruaj ntseg hloov lwm lub tsev ntawm e-mails. Lawv muaj peev xwm tsuas saib tus neeg. Qhov no txoj kev ntawm kis tau tus mob lub sender certifies thiab qhia hais tias ib tug kev tsab ntawv yog tsis nyob rau hauv txhua txoj kev hloov nyob rau hauv tus txheej txheem ntawm xa. Yog hais tias koj email kev pab cuam tsis txhawb cov kos npe, P7S ntaub ntawv feem ntau tshwm li ib qho Symptoms nyob rau hauv cov lus. E-mail neeg uas ua hauj lwm nrog hom ntawv no, siv PKCS txheem. Yog li no yog tsim ib tug kos npe rau e-mail lus.
Mozilla Thunderbird
Yog li ntawd, peb P7S cov ntaub ntawv. Koj qhib nws, qhia rau cov mail thov kev pab. Mozilla Thunderbird dua nyob rau hauv ntau cov neeg browser interface. Nws ua hauj lwm qhov kev txiav txim nyob rau hauv ib tug zoo xws li cov ntsiab cai. Rau koj saj, koj muaj peev xwm xaiv ib tug haum lub ntsiab. Nws yog ua tau yuav tau kho lub 5 theem ntawm lub koos pis thiab tom qab nyob rau hauv cov tsiaj ntawv. Daim ntawv thov muaj lub tsev qiv ntawv ntawm emoticons. Cov kev ceev ntawm lub mail neeg yog nyob ze rau hais tias ntawm lub hom nyob rau hauv ib tug browser. Qhov siab tshaj plaws nyob tos lub sij hawm rau txais ib cov lus los yog ib cov lus xa yog 10 feeb. Tom qab no lub sij hawm, nws txiav txim tias tus kev twb kev txuas yog lawm, uas ua nyob rau hauv nres xa. Qhov teeb meem no yog yooj yim daws los hloov tus software nqis.
lwm yam kev siv
Nws muaj lwm yam cuab yeej uas txhawb P7S hom. Koj qhib xws li ib tug cov ntaub ntawv, qhov kev pab cuam yuav pab koj to taub lub phiv xaj xa ntawv. Tsis tas li ntawd nyob rau hauv cov ntaub ntawv no, yuav pab tau Microsoft Outlook. Qhov no yog ib qho ntaub ntawv saib xyuas, uas yog tsim los ntawm "Microsoft". Qhov kev pab cuam combines cov yam ntxwv ntawm lub email neeg nrog cov txhais tau tias mus ua hauj lwm ua ke. Outlook yog ib feem ntawm lub pob Microsoft Office chaw ua hauj lwm suite. Daws tau qhov teeb meem ntawm yuav ua li cas mus qhib P7S cov ntaub ntawv, koj ua tau kuj los ntawm "CryptoARM" daim ntawv thov. Nws yog ib tug universal software pob. Nws tso cai rau koj siv cryptographic txhais tau tias rau cov lag luam thiab koj tus kheej xov xwm. Los ntawm cov tshuaj no peb yuav xyuas kom meej cov kev tiv thaiv ntawm ob cov neeg thiab tej ntaub ntawv.
Lub app tau txais ib tug zoo nkauj heev graphical interface. Cov tshuaj no muaj txhim khu kev qha encryption thiab cov ntaub ntawv decryption. Tsis tas li ntawd nrog rau cov kev pab los ntawm qhov uas koj muaj peev xwm tsim thiab paub tseeb cov npe. Qhov kev siv pej xeem lag luam, thiab kev txhawb los ntawm kev ua hauj lwm nrog daim ntawv pov thiab crypt. Nrog daim ntawv thov no koj muaj peev xwm tsim tej xov tooj ntawm hluav taws xob kos npe thiab paub tseeb lawv authenticity. Txhawb decryption ntawm cov ntaub ntawv. Tus tua ntawm muas nyob rau hauv ib kauj ruam.
Tam sim no uas koj paub tias dab tsi P7S. Koj qhib ib cov ntaub ntawv nrog rau cov extension thiab rau dab tsi siv hom ntawv no, piav nyob rau hauv kom meej saum toj no.