Gasktawa - shi ne ta tabbatar da shaidarka a cikin Internet

Dukan mu ba tare da wani matsaloli san juna a hakikanin rai. Saba fuska recognizable da kuma wanda ba a sani - fasfo ko wasu daftarin aiki, inda akwai wani hoto, mai gaskatãwa ga ainihi. Amma yadda za a gane mutum wanda yake a baya da kwamfuta a hayin na net? Wannan matsala ne yafi rikitarwa, kuma akwai aka yi amfani da wani takamaiman Hanyar - Tantance kalmar sirri. Wannan shi ne hanya don tabbatar da shaidarka a kan Internet.

Don gaskata masu amfani da yawanci amfani da software module, wanda aka located kai tsaye a kan kwamfuta, to wanda wani mutum yana so ya samu wani m, ko kai tsaye dama. Conventionally, aikin irin wannan a koyaushe ne zuwa kashi biyu, saukarwa:

- na farko. "Reference samfurin" da aka kafa a nan. Alal misali, kalmar sirri iya nema. Har ila yau, da tabbaci code iya sanya wa tsarin.

- karshe mataki. Wannan nassi na Tantance kalmar sirri. A nan, da nema ganewa bayanai ne idan aka kwatanta da misali. Bisa ga sakamakon irin wannan gwajin da mai amfani da aka dauke su a iya gano ko san ko su wanene.

Gasktawa - wata hanya da aka yi amfani da bayanai na uku main iri:

- ya nuna mai amfani da wani abu na musamman ga kwamfuta da cewa ya san a gaba. Mafi na kowa da irin - kalmar sirri Tantance kalmar sirri. Yana da sauki, amma ba mafi m hanya.

- mai amfani yana cikin magana da musamman fasali ko abun ciki. Kamar yadda irin wannan wani abu na iya zama wani katin SIM, Magnetic stripe cards, da kebul-alama iButton lantarki hannu. Kowane abu ya ƙunshi bayanin cewa kayyade ta musamman da suka bambanta. A sauki harka - mai amfani ID da kuma kalmar sirri da ake karanta daga kafofin watsa labarai da kuma ciyar da zuwa Tantance kalmar sirri a koyaushe. A cikin hadaddun yanayin, da m ne Hikimar key.

- a wani hali da bayanai don tabbatar da mai amfani - wani ɓangare na shi. Bisa wannan ka'ida tushen haska Tantance kalmar sirri. A nan, kamar yadda bayani za a iya amfani, misali, a yatsa.

A karshe - biometrics - Tantance kalmar sirri ne magana dabam. Gana da zarar kawai a ayyukan almarar, da waɗannan kimiyoyi ne sannu a mataki na saurin ci gaban. Ga yadda za a yi amfani da authenticators asali mutum halaye da suke na musamman domin shi. Musamman sau da yawa amfani yatsa, Iris map fasali.

Kamar yadda na musamman halaye an yi amfani da matsayin da halaye na mutum murya samfurori da wani handwritten sa hannu, hannunka lissafi, "keyboard Rubutun Hannu" (lokaci ne tsakanin keystrokes cewa yin up da kalmar code, da kuma tsanani da taps). Amma da wannan fasahar ne ƙasa da na kowa. Kuma sau da yawa tsara Tantance kalmar sirri tsarin musamman domin Tsarukan aiki da, misali, NTLM-Tantance kalmar sirri, halitta da Microsoft don Windows NT.

Tantance shortcomings

The most yawan shortcomings a cikin kalmar sirri Tantance kalmar sirri. Asirin kalma iya sata daga mai shi, ko crack shi. Sau da yawa masu amfani zabi sauki kalmomin shiga legkougadyvaemye: samu daga ID (sau da yawa shi ne ta ganowa), wata kalma daga kowane harshe da sauransu ..

Shi ne ba tare da drawbacks, kuma haƙiƙa tabbaci. Da sace batun ko da satar wa masu. Bugu da kari, musamman kayan aiki za a bukata don aiki tare da abubuwa. Shi ne kuma kowa ga samun dama marar izini yin kofe ko emulators na magana.