Imfihlo egqibeleleyo phambili (PFS) wachaza

Perfect forward secrecy (PFS) luphawu lokhuseleko olusetyenziswa kwiinkqubo ze-cryptographic (umzekelo. VPNconnections) ukukhusela idata ekulahlekeni, nokuba izitshixo zofihlo zithathwe okanye ziqikelelwe liqela lesithathu elingagunyaziswanga.

PFS iphunyezwe ngokutshintsha rhoqo amaqhosha oguqulelo oluntsonkothileyo asetyenziswa kufihlo. Ngale ndlela, kuphela inani elincinci ledatha elivezwayo ukuba umntu wesithathu ongagunyaziswanga ufumana izitshixo zoguqulelo oluntsonkothileyo.

Perfect forward secrecy kwandisa ukhuseleko lwe VPN-imidibaniso

Enye yezona zinto ziqhelekileyo zokusetyenziswa kwe perfect forward secrecy ubunjalo VPN-imidibaniso (Virtual Private Network). VPNimidibaniso yenza abasebenzisi bakwazi ukuseka uqhagamshelwano olukhuselekileyo, olufihliweyo kwenye inethiwekhi kwi-Intanethi.

Oku kunokuba luncedo ekuqinisekiseni ukuba idatha ayinakuthintelwa ngelixa isasazwa, okanye ukuvumela abasebenzisi ukuba bafikelele kuthungelwano ebekunokungafikeleleki kubo.

Xa a VPNuxhulumaniso lusekiwe, izitshixo ezimbini zofihlo zenziwe: isitshixo sikawonke-wonke kunye nesitshixo sabucala. Izitshixo zikawonke-wonke zisetyenziselwa ukuguqulela idatha ethunyelwe nge-Intanethi, ngelixa izitshixo zabucala zisetyenziselwa ukufihla idatha xa yamkelwe. Ezi zitshixo zitshintshiselwa phakathi VPN- umxhasi kunye VPNumncedisi, kwaye zisetyenziselwa ukuseka udibaniso olukhuselekileyo, olufihliweyo phakathi kwezi zimbini.

PFS isebenza ngokutshintsha rhoqo izitshixo ezisetyenziselwa ukufihla idatha yakho. Esikhundleni sokusebenzisa isitshixo esifanayo ukufihla yonke idatha egqithisiweyo VPNuxhulumaniso, iqhosha elitsha, lexeshana lenzelwe ugqithiso lwedatha lomntu ngamnye. Xa idatha ithunyelwe, iguqulelwa ngokuntsonkothileyo ngeli qhosha lethutyana, kwaye umamkeli angayicima kwangelo qhosha linye.

Ngale ndlela, umntu wesithathu ongagunyaziswanga ofumene izitshixo ze-encryption angakwazi ukufikelela kuphela kudluliselo lwedatha lomntu. Enye idatha isakhuselekile njengoko ifihliweyo kunye nezinye izitshixo. izitshixo.

VPN-uqhagamshelo luhlala lusebenzisa izitshixo ze-ephemeral ze PFS

Kukho iindlela ezininzi ezahlukeneyo zobuchule ezinokusetyenziswa ukuphumeza oku perfect forward secrecy i VPN-imidibaniso. Enye yeendlela eziqhelekileyo kukusebenzisa izitshixo ephemeral, ezingamaqhosha ethutyana enziweyo kwiseshoni nganye.

Xa a VPNuxhulumaniso lusekiwe, iqhosha elitsha le-ephemeral liyenziwa, elisetyenziselwa ukufihla yonke idatha ethunyelwe phezu koqhagamshelwano. Xa iseshoni iphela, isitshixo siyayeka ukusebenza kwaye isitshixo esitsha senziwa kumdibaniso olandelayo.

Funda kabanzi malunga PFS i ExpressVPNs isithuba blog.