Kombiyuutarada, Ammaanka
Hababka cryptographic ilaalinta macluumaadka: fikradda, astaamaha, jagooyinka muhiimka ah
Qaamuusyo nala siiyo meel u dhow midba midka kale qeexidda semantic ereyga "cryptography" ah, kala duwan oo kaliya in meelaha ay codsiga. Cryptography - sayniska ee sida si ay u ilaaliyaan macluumaadka iyada oo qaabab kala duwan, haddii loo baahdo, xadeyn ku saabsan awoodaha soo socda iyo isticmaalkeeda baadho.
Hababka cryptographic ilaalinta macluumaadka - waa u badalka macluumaadka ay u gudbinta dheeraad ah si qofka idman. Mabda'a ah hababka kuwanu waa sida soo socota. fariin furan Primary Windows XP, isuna qaab qoraalka xiran ama muuqaallo kale loo yaqaan cryptogram. cryptogram dheeraad ah loo kala qaado ka weyn channel aamin ah ama cabsan gudbinta macluumaad in la helo hal dhibic. user idman xanbaarsan-bedelka ama kelmadaha of fariin ka helay oo uu helo plaintext asalka ah. Sidaas darteed, qof aan la ogalayn in dhexda ku Shirograms ma awoodi doonaan si ay u akhriyaan, iyadoo aan ogayn wixii noocee ah cryptographic hababka ilaalinta macluumaadka loo isticmaalo encryption.
Fikradda ah key cryptography waxaa badanaa loo isticmaalaa, kaas oo u ogolaanaya inay soo dhaamiso isku midka ah ka dhexeeya xogta lo, iyo nidaamka sireed. ilaalinta cryptographic macluumaadka loo isticmaalo datada decrypting isku xigxiga gaarka ah ee characters, oo la yidhaahdo furaha. Sidaas darteed, adigoo isticmaalaya natiijada encryption geynta cryptographic isku xiran tahay furaha.
Furayaasha ay kala soocidda u qaybsan yahay:
- symmetrical, sida ay diraha iyo qof qaata ee geedi socodka of sirta iyo decryption isticmaalaya furaha isla, kaas oo hubinaya in sirta sare oo fariin Windows XP, laakiin waxay abuurtaa dhibaatooyin dhaxgalka ee furayaasha in nidaamyada kala duwan, halkaas oo tiro badan oo ah dadka isticmaala,
- sinnayn, dhab ahaantii waxaa loo arkaa labada ciyaaryahan muhiim ah, kaas oo bixiya a furaha u xiran yihiin (gaarka ah) iyo dadweynaha.
Mabda'a ah labada nin ee muhiimka ah waa: muhiimka ah ee gaarka loo leeyahay waxaa loo isticmaalaa in dhalin furaha dadweynaha, laakiin waxaa lagu ma soo celin fure u yaqaan guud ahaan karo. Tani waxay xaqiijineysaa in sugida ay hubiso marka wareejinta macluumaadka, saxiixeen saxiixa electronic digital (EDS).
ilaalinta macluumaadka cryptographic isticmaalaya furaha sinnayn waxtar u adeegsan imayl la kala qaado halkii macluumaadka ku kaydsan. Furayaasha dadweynaha waa habboon in la bedelo saxiixa caadiga ah on the elektaroonik ah (digital), kaas oo si weyn loo isticmaalaa in nidaamka lacag bixinta internetka.
Hababka cryptographic ilaalinta macluumaadka waa in ay buuxiyaan shuruudaha soo socda:
- Lahaanshaha cipher deggan awood Riiqdeediina cryptanalysis iyo siiyaan hab ay furitaanka oo keliya by furayaasha dhamaystiran search. Sidaa darteed, furaha u go'an tahay jaaniska ay ku xiran tahay oo dhererkiisu.
- Si loo xaqiijiyo in cimri dherer of nidaam cryptographic by ammaan kaydinta furayaasha qarsoodi iyo algorithms iyaga oo aan la isticmaalin.
- Si aad u dhalin mugga macluumaadka ku suntan tahay in aan ka badnayn asalka ah.
- Baabi'inta dhalanrog iyo khasaaro macluumaadka ay sabab u tahay qalad marka imayl.
- Si loo xaqiijiyo in waqti habaynteeda ugu yar.
- Leeyihiin joogtona u dhexeeya qiimaha encryption iyo qiimaha xogta bilowga ah.
Hababka cryptographic ilaalinta macluumaadka waxaa lagu gartaa iska caabin ah cipher ah, taas oo ah qiyaas ugu muhiimsan ee waxtarka. oolnimada Tani waa kharash ah ee waqtiga ama qiimaha lacagta loo baahan yahay si loo helo fariin decryptor asalka ah ay ka maqan yihiin furaha encoded. Siiyaa ma jiraan dhaliilo ay algorithms encryption, kaas oo si deg deg ah xisaabi saanacyadii, iyo dhererka muhiim ah oo ku filan oo lagu kalsoonaan karo, kharashka kuwaas oo si weyn u koraan.
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