cryptography ndi gawo lakafukufuku lomwe lili ndi udindo wopanga machitidwe ndi ma aligorivimu to kuteteza chidziwitso chachinsinsi. M'zaka za digito zomwe tikukhalamo, chitetezo cha deta yathu chakhala chodetsa nkhawa kwambiri. Ndi kuchuluka kwachulukidwe kwa zidziwitso zomwe zimafalitsidwa ndikusungidwa pa intaneti, cryptography chakhala chida chofunikira kwambiri chowonetsetsa chinsinsi komanso kukhulupirika kwa deta yathu.
Tanthauzo la cryptography ndi luso lotha kusintha mfundo zoŵerengeka kukhala zosaŵerengeka, zotchedwa ciphertext. Kusintha kumeneku kumatheka pogwiritsa ntchito masamu masamu, makiyi ndi njira zosiyanasiyana zolembera. Cholinga chachikulu cha cryptography ndikuwonetsetsa kuti anthu ovomerezeka okha ndi omwe atha kupeza zidziwitso zanu mawonekedwe apachiyambi, kuteteza izo ku ziwopsezo zotheka monga obera, akazitape ndi akuba.
Zojambulajambula Lakhalapo kuyambira kalekale, kumene njira zosalongosoka monga kusintha zilembo kapena kugwiritsa ntchito manambala achinsinsi potumiza mauthenga obisika. Komabe, pakubwera kwaukadaulo komanso chitukuko cha sayansi yamakompyuta, cryptography zakhala zapamwamba kwambiri. Ma algorithm amakono ndi ovuta kwambiri ndipo amagwiritsa ntchito malingaliro apamwamba a masamu kuti atsimikizire chitetezo chazidziwitso.
Panopa, cryptography amatenga gawo lofunikira pazinthu zambiri zathu tsiku ndi tsiku. Kuyambira potumiza mauthenga ndi maimelo motetezeka, kupita pazachuma pa intaneti, zonse zimadalira chitetezo chomwe amatipatsa cryptography. Kuphatikiza apo, chilangochi chimagwiranso ntchito yofunika kwambiri pachitetezo cha makompyuta komanso kuteteza zinsinsi pa intaneti.
Powombetsa mkota, tanthauzo la cryptography yagona mu kuthekera kwake kutsimikizira chitetezo chazinthu zodziwika bwino m'dziko lomwe likuchulukirachulukira la digito. Pogwiritsa ntchito njira zamakono ndi ma algorithms, cryptography amatsimikizira chinsinsi ndi kukhulupirika kwa data, kuiteteza ku ziwopsezo zotheka. Ndi chida chofunikira kwambiri m'nthawi ya digito yomwe tikukhalamo ndipo imagwira ntchito yofunika kwambiri pa moyo wathu watsiku ndi tsiku.
Mitu:
cryptography Ndilo luso laukadaulo lomwe limayang'anira kuphunzira njira ndi njira zowonetsetsera kulumikizana kotetezeka kwa chidziwitso, kuletsa kulandidwa kapena kuwululidwa ndi anthu ena osaloledwa. M'lingaliro lake lenileni, cryptography imakhala ndikusintha zidziwitso zoyambirira kukhala zosawerengeka kwa aliyense yemwe alibe kiyi yotsitsa. Njira imeneyi Amagwiritsidwa ntchito kwambiri pankhani yachitetezo cha makompyuta, potumiza ndi kulandira mauthenga achinsinsi komanso poyang'anira mawu achinsinsi komanso kuteteza deta yodziwika bwino.
Pali ma aligorivimu osiyanasiyana cryptographic, iliyonse ili ndi mawonekedwe ake ndi milingo yachitetezo. Zina zomwe zimagwiritsidwa ntchito kwambiri ndi symmetric encryption algorithm, pomwe fungulo limodzi limagwiritsidwa ntchito kubisa uthenga, ndi asymmetric encryption algorithm, yomwe imagwiritsa ntchito kiyi yapagulu kubisa deta ndi kiyi yachinsinsi kuti isinthe. Aliponso cryptgraphic hashes, zomwe zimagwiritsidwa ntchito kutsimikizira kukhulupirika kwa data.
Iye cholinga chachikulu Cholinga cha cryptography ndi kupereka zinsinsi, zowona, kukhulupirika komanso kusagwirizana pakulumikizana kwa chidziwitso. Ndikofunikira m'malo omwe chitetezo ndi gawo lofunika kwambiri, monga mauthenga ankhondo, ntchito zachuma ndi kusinthana kwa deta pa intaneti. Ma Cryptography imatilolanso kuteteza zinsinsi zathu paukadaulo wapa digito, kuwonetsetsa kuti anthu ovomerezeka okha ndi omwe amatha kupeza zinsinsi zathu kapena zachinsinsi.
1. Chiyambi cha cryptography ndi kufunikira kwake
Cryptography ndi mawu omwe amachokera ku Greek "kryptos", kutanthauza "zobisika" kapena "chinsinsi", ndi "graphein", zomwe zimatanthawuza "kulemba". Pankhani ya utekinoloje ndi chitetezo cha pakompyuta, amatanthawuza njira ndi njira zomwe zimagwiritsidwa ntchito kuteteza chinsinsi, kukhulupirika komanso kutsimikizika kwa chidziwitso, kaya paulendo kapena pakupuma. .
Pakalipano, crypto imathandizira kwambiri gulu lathu la digito komanso lolumikizana. Ndi kuchuluka kwa ziwopsezo za pa intaneti komanso kupezeka kosalekeza kwa obera ndi zigawenga zapaintaneti, ndikofunikira kukhala ndi zida zomwe zimatithandizira kuteteza zidziwitso zathu zachinsinsi komanso mauthenga athu achinsinsi. Cryptography imapereka kuthekera kosunga deta, ndikuyisintha kukhala yosawerengeka ndi anthu osaloledwa.
Kufunika kwa cryptography kumapitilira kupitilira chitetezo chamunthu kapena malonda. Kuphatikiza pa kusunga deta yachuma ndi mauthenga achinsinsi otetezedwa, cryptography imathandizanso kwambiri m'madera osiyanasiyana monga chitetezo cha dziko, kuteteza ufulu wa anthu, ndi kusunga zinsinsi za munthu aliyense. Chifukwa cha cryptography, omwe amagwiritsa ntchito mauthenga a pa intaneti kapena kuchita zinthu zamabanki apakompyuta akhoza kukhala ndi mtendere wamumtima kuti kuyanjana kwawo kumatetezedwa.
2. Mbiri ndi kusinthika kwa cryptography pakapita nthawi
La mawu anzeru Chakhala chilango chofunikira m'mbiri ya kulumikizana ndi chitetezo chidziwitso. Kuyambira pomwe idayamba ku Girisi wakale mpaka kutsogola kwa ma aligorivimu amakono, cryptography yakhala ikusintha nthawi zonse kuti igwirizane ndi kupita patsogolo kwaukadaulo komanso zovuta zachitetezo. Tanthauzo lake likhoza kufotokozedwa mwachidule mu ntchito yake yaikulu: kuteteza chinsinsi ndi kukhulupirika kwa deta.
Mu nkhani ya cryptography, imodzi mwa njira zolembedwa zoyamba inali Caesar cipher, yogwiritsidwa ntchito ndi Julius Caesar mu Roma wakale Tumizani mauthenga zinsinsi pabwalo lankhondo. Pamene chikhalidwe cha anthu chinkapita patsogolo, mauthenga ovuta kwambiri anayamba kuonekera, monga mmene ankalembera m'nthawi ya m'ma Middle Ages, monga Vigenère cipher. Komabe, cryptography yamakono inayambadi pa nthawi ya nkhondo yachiwiri ya padziko lonse ndi kupanga makina a Enigma ndi Ajeremani ndi kupambana kotsatira kwa Allies pakuphwanya.
Kudzera ndi zaka mazana ambiri, cryptography yasintha kwambiri. Kukhazikitsidwa kwa ma key key cryptography m'zaka za m'ma 70 chinali chochitika chofunikira kwambiri chomwe chimalola anthu kulankhulana. m'njira yabwino popanda kugawana chinsinsi chachinsinsi. Izi zidatsegula njira yotetezedwa pa intaneti, monga kugula pa intaneti ndi kusamutsidwa kwa banki. Pamene ukadaulo ukupita patsogolo, momwemonso ma aligorivimu a cryptography, RSA ndi imodzi mwazomwe zimagwiritsidwa ntchito kwambiri pakadali pano chifukwa champhamvu komanso chitetezo.
Mbiri ndi chisinthiko cha mawu anzeru N'zochititsa chidwi chifukwa zimasonyeza mmene anthu akhala akufufuza njira zotetezera mauthenga awo achinsinsi pakapita nthawi. Kubwera kwa quantum computing ndi zovuta zatsopano zachitetezo zomwe zimabweretsa, cryptography ikupitilizabe kusinthika kukhala patsogolo pakuteteza zidziwitso m'dziko lomwe likuchulukirachulukira komanso lolumikizidwa. Kufunika kwa cryptography kwagona pakutha kupereka chitetezo ndi zinsinsi pazolumikizana zathu pagulu panopa.
3. Mfundo zofunikira mu zolemba zamakono
Cryptography ndi gawo lofunikira kwambiri pazachitetezo cha makompyuta.Ili ndi udindo woteteza zinsinsi kudzera m'njira zamachinsinsi komanso kubisa, kuwonetsetsa chinsinsi, kukhulupirika komanso kutsimikizika kwa zomwe zasungidwa. M'zaka zaposachedwa, cryptography yamakono yapita patsogolo kwambiri, chifukwa cha kusinthika kwa ma aligorivimu ndi ma protocol omwe amagwiritsidwa ntchito.
ndi mfundo zofunika kwambiri Mu cryptography yamakono iwo ndi maziko omwe machitidwe osiyanasiyana otetezera amamangidwa. Mfundozi zikuphatikizapo:
- Chinsinsi: Uthenga kapena zambiri sizingathe kuwerengedwa kapena kumveka ndi anthu osaloledwa.
- Umphumphu: Zimatsimikiziridwa kuti uthenga kapena zambiri sizinasinthidwe kapena kusinthidwa podutsa.
- Zowona: Chidziwitso cha wotumiza chimatsimikiziridwa ndipo zimatsimikiziridwa kuti uthengawo umachokera ku gwero loyembekezeredwa.
Cholinga chachikulu cha cryptography yamakono ndikuteteza chidziwitso ku chiwonongeko chomwe chingachitike ndikutsimikizira chitetezo cha kulumikizana. Kuti akwaniritse izi, ma algorithms osiyanasiyana a cryptographic amagwiritsidwa ntchito, monga AES (Advanced Encryption Standard) ndi RSA (Rivest-Shamir-Adleman), zomwe zimapereka chitetezo chokwanira. Kuphatikiza apo, cryptography yamakono imadalira njira ndi ma protocol a cryptographic for kusinthanitsa makiyi otetezedwa ndi kutsimikizika.
4. Kugwiritsa ntchito kwachinsinsi pachitetezo cha data
Cryptography ndi njira yomwe imayang'anira kuteteza ndi kuteteza zidziwitso kudzera munjira zamasamu. Amagwiritsidwa ntchito kwambiri poteteza deta m'madera osiyanasiyana. Tanthauzo la cryptography lagona pakutha kwake kutsimikizira chinsinsi, kukhulupirika ndi kutsimikizika kwa chidziwitso . Komabe, kugwiritsa ntchito kwake sikungokhudza dziko la chitetezo cha makompyuta, koma kumakhudza magawo osiyanasiyana.
Chimodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri pa cryptography ndikuteteza deta yomwe yasungidwa mkati zolemba. Pogwiritsa ntchito ma cryptographic algorithms, zomwe zasungidwa zimasungidwa mwachinsinsi kuti zitha kusinthidwa ndi omwe ali ndi kiyi yofananira. Izi zimatsimikizira kuti ngakhale database ikasokonezedwa, deta sidzawoneka kwa omwe akuukira.
Ntchito ina yothandiza ya cryptography ndi mdziko lapansi ya mauthenga otetezeka. Pogwiritsa ntchito njira zobisika, monga HTTPS, mutha kuwonetsetsa kuti zomwe zimafalitsidwa pa intaneti ndizotetezedwa kuti zisasokonezedwe kapena kusinthidwa. . Izi ndizofunikira makamaka m'malo a zachuma pa intaneti, kumene deta yachinsinsi imatumizidwa, monga manambala a kirediti kadi, omwe ayenera kutetezedwa mwamphamvu.
Mwachidule, cryptography ndi njira yofunika kwambiri kuteteza deta yodziwika bwino. Kagwiritsidwe ntchito kake kuyambira pachitetezo cha nkhokwe mpaka pachitetezo cha kulumikizana kwapaintaneti, kutsimikizira chinsinsi komanso kutsimikizika kwa chidziwitso. Tithokoze to cryptography, titha kukhulupirira kuti data yathu ndi yotetezedwa ku zovuta zomwe tingakumane nazo komanso kuti kulumikizana kwathu ndi kotetezeka.
5. Mavuto ndi malingaliro pakupanga machitidwe otetezeka a cryptographic
mu kapangidwe ka machitidwe otetezedwa a cryptographic Pali zovuta komanso zovuta zosiyanasiyana zomwe ziyenera kuganiziridwa kuti zitsimikizire kutetezedwa kwa chidziwitso chodziwika bwino. Imodzi mwazovuta zazikulu ndi chinsinsi za data. Kuti mukwaniritse izi, ndikofunikira kukhazikitsa ma aligorivimu amphamvu a cryptographic omwe amawonetsetsa kuti anthu ovomerezeka okha ndi omwe amatha kudziwa zambiri.
Mbali ina yofunika ndi umphumphu za data. Ndikofunikira kukhazikitsa njira zomwe zimalola kutsimikizira kuti detayo sinasinthidwe kapena kusinthidwa panthawi yotumizira kapena kusungidwa. Izi zimatheka pogwiritsa ntchito ntchito za hashi kapena ma signature a digito, zomwe zimatsimikizira kuti deta sinawonongeke.
Kuphatikiza apo, popanga makina otetezedwa a cryptographic ndikofunikira kuganizira za kupezeka za data. Izi zikuphatikiza kuwonetsetsa kuti zambiri zimapezeka nthawi zonsekwa anthu ovomerezeka. Kuti izi zitheke, njira zosunga zobwezeretsera ndi kubwezeretsanso ntchito ziyenera kukhazikitsidwa zomwe zimalola kuti zidziwitso zipezekenso pakachitika ngozi kapena kulephera kwadongosolo.
6. Quantum cryptography: tsogolo lodalirika muchitetezo cha chidziwitso
Cryptography yathandiza kwambiri pankhaniyi chitetezo munda za chidziwitso kwa zaka mazana ambiri. Ndi njira ndi zida zomwe zimagwiritsidwa ntchito kuteteza chinsinsi, kukhulupirika ndi kutsimikizika kwa data yomwe imafalitsidwa pamanetiweki a digito Komabe, ndi kupita patsogolo kwaukadaulo, pafunikanso kupanga njira zotsogola komanso zotetezedwa. Ndipamene quantum cryptography imayamba kugwira ntchito.
Quantum cryptography imatengera mwayi pazinthu zofunikira za fizikisi ya quantum kuti zitsimikizire chitetezo cha data. Mosiyana ndi machitidwe akale a cryptography, omwe amatengera masamu ovuta, quantum cryptography imachokera pa mfundo zofunika kwambiri zamakanika a quantum. Izi zimaphatikizapo kugwiritsa ntchito tinthu tating'onoting'ono tating'onoting'ono, monga ma photon, kuti titumize zambiri mosamala.
Chimodzi mwazinthu zodziwika bwino za quantum cryptography ndi kuthekera kwake kuzindikira zoyeserera zilizonse zolanda kapena kusintha zidziwitso zofalitsidwa. Izi ndichifukwa cha mfundo ya quantum non-cloning, yomwe imanena kuti sizingatheke kupanga kopi yabwino ya dziko losadziwika la quantum. Mwa njira iyi, ngati wina ayesa kusokoneza kulankhulana, kusintha kudzachitika m'madera a quantum omwe adzazindikiridwe, omwe adzachenjeza anthu omwe akukhudzidwa ndi kufalitsa.
7. Malangizo ogwiritsira ntchito bwino njira za cryptographic
Mchitidwe wachinsinsi ndi njira kapena njira zomwe zimagwiritsidwa ntchito poteteza chidziwitso ndikutsimikizira chinsinsi chake komanso kukhulupirika kwake. Njira izi zimatengera masamu ndipo zimagwiritsidwa ntchito m'magawo osiyanasiyana monga chitetezo chazidziwitso, mauthenga amagetsi ndi malonda amagetsi.
Kuti mutsimikizire kukhazikitsidwa koyenera kwa njira za cryptographic, ndikofunikira kutsatira malingaliro ena:
- Gwiritsani ntchito ma algorithms amphamvu a cryptographic: Ndikofunikira kusankha ma aligorivimu omwe adayesedwa kwambiri ndikuwona kuti ndi otetezedwa ndi gulu la crypto. Zitsanzo zina Ma algorithms amphamvu ndi AES, RSA ndi ECC.
- Tetezani bwino makiyi: Makiyi a Cryptographic ndi maziko a chitetezo mu cryptography. Ndizo zofunika kuwateteza ku kuukira kwakuthupi kapena koyenera. Izi zikutanthawuza m'badwo wake wolondola, kusungirako kotetezedwa ndi kasamalidwe koyenera.
- Ikani cryptography kumapeto mpaka kumapeto: Kuti zitsimikizire chinsinsi cha chidziwitso, tikulimbikitsidwa kugwiritsa ntchito njira za cryptographic kuchokera koyambira kupita komwe mukupita. Izi zimatsimikizira kuti deta imatetezedwa panthawi yonse yotumizira.
Powombetsa mkota, Cryptography ndi chida chofunikira potchinjiriza zambiri ndikupewa kuphwanya chitetezo chomwe chingachitike. Tsatirani malangizo awa kuti mugwiritse ntchito njira zachinsinsi bwino, motero kuteteza deta tcheru ndi kutsimikizira kukhulupirika kwa mauthenga pakompyuta ndi wotuluka.
8. Kufunika kwa kuwongolera chinsinsi pazithunzithunzi
Cryptography ndi njira yomwe imayang'ana kwambiri kutetezedwa kwa chidziwitso pogwiritsa ntchito njira zapamwamba zachinsinsi komanso kubisa. Ndikofunikira kumvetsetsa kuti lero, chidziwitso chakhala chimodzi mwazinthu zamtengo wapatali kwa anthu ndi mabungwe. Choncho, cryptography imagwira ntchito yofunika kwambiri pachitetezo cha deta, chifukwa imatithandiza kutsimikizira chinsinsi, kukhulupirika ndi kutsimikizika kwa chidziwitso.
Limodzi mwamalingaliro ofunikira mu cryptography ndi kasamalidwe kofunikira. Makiyi amagwiritsidwa ntchito kubisa ndi kubisa deta, ndipo ndizofunikira kutsimikizira chitetezo cha chidziwitsocho. Kuwongolera kwakukulu amatanthauza ntchito zonse zokhudzana ndi m'badwo, kusungirako, kugawa ndi kuwononga makiyi a cryptographic.
Kufunika kwa kasamalidwe kofunikira kwagona mu kuthekera kwake tetezani zidziwitso zachinsinsi. Kiyi yofooka kapena yowonongeka ikhoza kutsegulira chitseko kwa wowukira, yemwe angapeze mwayi wosaloledwa ku data yotetezedwa. Chifukwa chake, ndikofunikira kukhazikitsa njira zoyendetsera bwino, monga kugwiritsa ntchito ma algorithms olimba a cryptographic, kusintha makiyi nthawi ndi nthawi, komanso kuteteza makiyi amthupi ndi mwanzeru.
9. Cryptocurrency ndi ubale wake ndi cryptography
La mawu anzeru ndi gawo la maphunziro lomwe limachita zakusintha zinthu zowerengeka kukhala zosamveka, zomwe zimadziwika kuti ciphertext, machitidwe ndi makiyi. Cholinga chake ndi kuteteza chinsinsi, kukhulupirika ndi kutsimikizika kwa deta yomwe imatumizidwa kapena kusungidwa. Cryptography yakhala ikugwiritsidwa ntchito kuyambira nthawi zakale kuti ateteze mauthenga achinsinsi, koma ndi kupita patsogolo kwa teknoloji, kufunika kwake kwawonjezeka.
La cryptocurrency Ndi mtundu wa ndalama za digito zomwe zimagwiritsa ntchito cryptography kuti ziteteze ndalama zamalonda ndikuwongolera kupanga mayunitsi atsopano. ntchito zake zachokera blockchain, ukadaulo womwe umalola kulembetsa ndi kutsimikizira chilichonse chomwe chachitika. Cryptography ndiyofunikira padziko lonse lapansi ya ndalama zachinsinsi, popeza imatsimikizira chitetezo ndi zinsinsi za zochitika, kupewa chinyengo ndi chinyengo.
Mgwirizano wapakati cryptocurrency ndi mawu anzeru Ndi pafupi komanso osalekanitsidwa. Cryptography imalola kupanga ndalama za digito zotetezeka komanso zodalirika, ndikuwonetsetsa kuti ogwiritsa ntchito asadziwike. Kuphatikiza apo, cryptography imagwiritsidwa ntchito popanga makiyi a digito ndi siginecha, zomwe ndizofunikira kwambiri pakugwiritsa ntchito ndalama za crypto. Popanda cryptography, dziko la cryptocurrencies silingatheke ndipo kukhulupirira mu dongosolo latsopanoli la ndalama lidzasokonezedwa.
10. Udindo wofunikira wa akatswiri a cryptography powonetsetsa zachinsinsi komanso chinsinsi
Cryptography ndi njira yomwe ili ndi udindo woteteza zinsinsi ndi chinsinsi cha data kudzera munjira zosiyanasiyana komanso ma algorithms. Tanthauzo lake lagona pakuwonetsetsa kuti chidziwitso chikhalabe chobisika ndipo chimapezeka kwa iwo omwe ali ndi zilolezo zofunikira. M'dziko lomwe likuchulukirachulukira komanso lokhala ndi chidziwitso mosalekeza, zolemba zachinsinsi zakhala zofunikira kutsimikizira kukhulupirika kwa deta ndikupewa zovuta zomwe zingachitike.
M'nkhaniyi, akatswiri a cryptography amagwira ntchito yofunika kwambiri poteteza zidziwitso zachinsinsi. Kudziwa kwawo kwapadera kumawathandiza kupanga ndi kukhazikitsa njira zolembera zomwe zimateteza deta popuma komanso podutsa. Kuphatikiza apo, anthu awa alinso okhoza kuzindikira ndi kukonza zofooka zomwe zingachitike m'makina omwe alipo, kuwapangitsa kukhala osinthika komanso otetezedwa motsutsana ndi ziwopsezo zapa intaneti.
Udindo wa akatswiri a cryptography umapitilira kukhazikitsidwa kwa njira zolembera. Ayeneranso kukhala amakono ndi kupita patsogolo kwaposachedwa ndikuchita nawo kafukufuku ndi chitukuko cha zida zatsopano za cryptographic ndi ma aligorivimu. Izi zimawalola kuti azolowere kusintha kwa ziwopsezo ndikukhala patsogolo pa omwe angawawukire, motero amaonetsetsa chitetezo cha data ya ogwiritsa ntchito komanso zinsinsi.
Ndine Sebastián Vidal, mainjiniya apakompyuta omwe amakonda ukadaulo komanso DIY. Komanso, ine ndine mlengi wa tecnobits.com, komwe ndimagawana nawo maphunziro kuti ukadaulo ukhale wofikirika komanso womveka kwa aliyense.