Imfihlo eya phambili iphelele (PFS) kuchaza

Perfect forward secrecy (PFS) isici sokuvikeleka esisetshenziswa ezinhlelweni ze-cryptographic (isb. VPNconnections) ukuze kuvikelwe idatha ukuthi ingafakwa ebucayini, ngisho noma okhiye bokubethela bethathwa noma beqagelwa inkampani yangaphandle engagunyaziwe.

PFS kuzuzwe ngokushintsha njalo okhiye bokubethela abasetshenziswa ekubetheleni. Ngale ndlela, inani elilinganiselwe kuphela ledatha liyavezwa uma inkampani yangaphandle engagunyaziwe ithola okhiye bokubethela.

Perfect forward secrecy kwandisa ukuphepha kwe VPN-ukuxhumana

Enye yezinto ezisetshenziswa kakhulu perfect forward secrecy wawungu VPN- ukuxhumana (Virtual Private Network). VPNukuxhumana kuvumela abasebenzisi ukuthi bathole ukuxhumana okuphephile, okubethelwe kwenye inethiwekhi nge-inthanethi.

Lokhu kungaba usizo ukuze kuqinisekiswe ukuthi idatha ayikwazi ukucatshangelwa ngenkathi isakazwa, noma ukuvumela abasebenzisi ukuthi bafinyelele amanethiwekhi abengeke bawafinyelele.

Lapho a VPNukuxhumeka kuyasungulwa, okhiye ababili bokubethela bayakhiqizwa: ukhiye wasesidlangalaleni nokhiye oyimfihlo. Okhiye basesidlangalaleni basetshenziselwa ukubethela idatha ethunyelwe nge-inthanethi, kuyilapho okhiye abayimfihlo basetshenziselwa ukususa ukubethela idatha lapho yamukelwa. Lezi zikhiye zishintshaniswa phakathi VPN- iklayenti kanye VPNiseva, futhi zisetshenziselwa ukusungula ukuxhumana okuvikelekile, okubethelwe phakathi kwakho kokubili.

PFS isebenza ngokushintsha njalo okhiye abasetshenziselwa ukubethela idatha yakho. Esikhundleni sokusebenzisa ukhiye ofanayo ukuze ubethele yonke idatha edluliselwe kuyo VPNuxhumano, ukhiye omusha, wesikhashana wenziwa ngokudluliswa kwedatha ngayinye. Uma idatha ithunyelwa, ibethelwa ngalo khiye wesikhashana, futhi umamukeli angakwazi ukuyisusa ngokhiye ofanayo.

Ngale ndlela, inkampani yangaphandle engagunyaziwe ethole okhiye bokubethela ingathola ukufinyelela ekudluliselweni kwedatha ngayinye. Enye idatha isaphephile njengoba ibethelwe nabanye okhiye. okhiye.

VPN-ukuxhumana kuvame ukusebenzisa okhiye be-ephemeral for PFS

Kunamasu amaningana ahlukene angasetshenziswa ukufeza lokhu perfect forward secrecy i VPN-ukuxhumana. Enye yezindlela ezivame kakhulu ukusebenzisa okhiye be-ephemeral, okungokhiye besikhashana abenzelwe isikhathi ngasinye.

Lapho a VPNuxhumano luyasungulwa, ukhiye omusha we-ephemeral uyakhiqizwa, osetshenziselwa ukubethela yonke idatha ethunyelwe ngoxhumano. Lapho isikhathi siphela, ukhiye uyayeka ukusebenza futhi ukhiye omusha ukhiqizwa ekuxhumekeni okulandelayo.

Funda kabanzi mayelana PFS i ExpressVPNs okuthunyelwe kwebhulogi.