Nei WhatsApp mapoka akaganhurirwa kune 256 vanhu

Pane chikonzero chehunyanzvi cheiyo 256 mukwikwidzi muganho pane WhatsApp seti. Chimwe chinhu chingave chisinga cherechedzwe nevakawanda vevanopfuura mabhiriyoni maviri evanoshandisa tsamba yetsamba paInternet.

Sarudzo yeiyi kukosha uye kwete imwe -256 vakwikwidzi- inofanirwa kuita nemasikirwo ebhinari system, hwaro hwehurongwa hwese, hwakavakirwa pa "0 uye 1". Iko kuda kuziva nezve WhatsApp, ichangobva kusimudzwa nevazhinji vashandisi veReddit.

WhatsApp seti inogumira kune 256 vakwikwidzi

Kune rumwe rutivi, paTeregiramu, mapoka ane mukana wekusvika 200.000 vanhu, izvo zvinogona kuwedzera gare gare. Nezve WhatsApp, iyi chaiyo muganho wakaiswa muna 2016 uye yanga ichishanda mune iyo interface kubva ipapo.

Saka kuda kunzwisisa kuti sei 256 vakwikwidzi, hapana chimwe uye hapana chidiki, mushandisi dat_sylveon inopa tsananguro yakajeka. Zvinoenderana neuchapupu hwake, WhatsApp inonyora mushandisi wega wega ane yakasarudzika identifier.

Saka, kune mazana maviri nemakumi mashanu nevakwikwidzi vanokwikwidza, tinoona kuti iyo binary system inoshandisa manhamba maviri (256 uye 2) uye ayo akasiyana anozivisa anoshandisa. 8 matomu. Parizvino, 2 yakakwirira kusvika ku8 inoguma mukukosha kwepamusoro kune vakwikwidzi museti: 256 vanhu. Iyi ndiyo yepamusoro iyo yega yega WhatsApp set inogona kubata, tichiziva kugadziridzwa kwechimiro chedu.

Muchidimbu, iyo 256 encryption inonyanya kukosha mumunda wekombuta sezvo ichimiririra nhamba huru yezvingangove zvinyorwa zvine byte imwe chete. Ramba uchifunga kuti 1 byte yakaenzana ne8 bits, chimwe chinhu icho mubhinari code chinomiririrwa nevasere.

Zvakare zvinoenderana nekwabva, iyi metric (256) ndiyo muganho wezvimwe zvinhu zvakawanda uye zvemukati zvewebhu. Semuenzaniso, isu tinonongedza huwandu hwakanyanya hwemavara aripo muGIF yatinogovana munharaunda uye mumachats.

Muganho wevanokwikwidza unogona kuwedzerwa neWhatsApp

Hapana chinodzivirira iyo interface kubva pakuwedzera iyi nhamba. Kune izvi, zvinokwana kushandisa nhamba yakakura yemabhiti mune yega yega mushandisi identifier, kiyi yekuzivikanwa.

Chokwadi, kana iyo interface ichishanda 2 bytes nepo parizvino uchishandisa 1 byte chete, muganho wevakwikwidzi waizowedzera zvakanyanya. Kunyanya zvakanyanya, muganho wevanokwikwidza mumaseti waizosimudzwa kusvika 65 vanhu.

Parizvino hapana kuteedzera kudivi rekambani inonongedza munzira iyi. Hongu, zvakambotaurwa zvino kuti zvidiki seti zvakare inzira yekuvharira yekuparadzira zvingangoitika. fake news.

Mukana uripo, asi panguva ino hazvigoneki kuti ichachinja muganhu wedziva.

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