Encryption ua haujlwm li cas?

Kev Taw Qhia:

Encryption yog ib qho tseem ceeb ntawm cov ntaub ntawv kev ruaj ntseg. Raws li lub ntiaj teb digitizes sai heev, qhov xav tau los tiv thaiv kev tsis pub lwm tus paub thiab kev ncaj ncees ntawm cov ntaub ntawv tau nce ntxiv. Hauv qhov kev nkag siab no, kev nkag siab yuav ua li cas encryption ua haujlwm yog qhov tseem ceeb los tiv thaiv cov ntaub ntawv tseem ceeb ntawm ob tus kheej thiab qib lag luam.

Encryption yog txheej txheem lej siv los hloov cov ntaub ntawv nyeem tau rau hauv hom ntawv nyeem tsis tau, hu ua ciphertext. Qhov no yog ua tiav los ntawm cov algorithms sophisticated uas hloov cov sawv cev ntawm cov ntaub ntawv qub. Lub hom phiaj tseem ceeb ntawm cov txheej txheem no yog los xyuas kom meej tias tsuas yog ob tog tau tso cai nkag tau thiab nkag siab txog cov ntaub ntawv, thaum muaj peev xwm tawm tsam raug cais tawm.

Hauv tsab xov xwm no, peb yuav tshawb xyuas kom meej tias kev encryption ua haujlwm li cas, tsom mus rau ntau hom kev encryption siv niaj hnub no thiab cov hauv paus ntsiab lus uas ua rau lawv siv tau zoo. Tsis tas li ntawd, peb yuav tshuaj xyuas cov xwm txheej sib txawv uas qhov encryption ua lub luag haujlwm tseem ceeb, xws li hauv kev sib txuas lus hauv Is Taws Nem, khaws cov ntaub ntawv, thiab kev lag luam nyiaj txiag.

Los ntawm kev nkag siab txog kev encryption ua haujlwm li cas, peb yuav nyob rau hauv txoj haujlwm zoo dua kom txaus siab rau nws qhov tseem ceeb thiab ua cov kauj ruam tsim nyog los tiv thaiv peb cov ntaub ntawv rhiab heev. Yog tsis muaj ado ntxiv, cia peb delve rau hauv lub ntiaj teb txaus ntshai ntawm kev encryption thiab nrhiav pom tias peb cov kev sib txuas lus thiab cov ntaub ntawv tau nyab xeeb li cas dhau qhov peb qhov muag pom.

1. Taw qhia txog kev encryption: Cov ntsiab lus yooj yim thiab cov ntsiab lus

Encryption yog txheej txheem siv los tiv thaiv cov ntaub ntawv los ntawm kev xa lossis khaws cia muaj kev nyab xeeb. Hauv tsab xov xwm no, peb yuav tshawb txog cov ntsiab lus tseem ceeb thiab cov ntsiab lus ntawm encryption, uas yog qhov tseem ceeb rau kev nkag siab tias nws ua haujlwm li cas.

Ua ntej tshaj plaws, nws yog ib qho tseem ceeb kom nkag siab tias qhov encryption yog dab tsi. Yeej, nws yog cov txheej txheem ntawm kev hloov cov ntaub ntawv mus rau hauv ib hom ntawv nyeem tsis tau, hu ua ciphertext, siv lej algorithm. Qhov no yog ua tiav nrog lub hom phiaj uas tsuas yog cov neeg tau txais kev tso cai tuaj yeem nkag mus rau cov ntaub ntawv qub los ntawm cov txheej txheem decryption.

Muaj ntau hom kev encryption, tab sis ib qho ntawm feem ntau yog symmetric encryption. Nyob rau hauv txoj kev no, ob tus neeg xa khoom thiab tus neeg txais kev siv tib tus yuam sij los encrypt thiab decrypt cov ntaub ntawv. Ntawm qhov tod tes, asymmetric encryption siv tus khub tseem ceeb sib txawv: tus yuam sij rau pej xeem los encrypt thiab tus yuam sij ntiag tug los txiav txim siab. Cov txheej txheem no tau siv dav hauv kev ruaj ntseg ntawm kev sib txuas lus hauv online.

2. Hom encryption siv tam sim no

Tam sim no, muaj ntau hom encryption siv los tiv thaiv cov ntaub ntawv. nyob rau hauv ntau lub tshuab sib txawv thiab daim ntawv thov. Cov txheej txheem no yog ua raws li lej algorithms uas hloov cov ntaub ntawv qub rau hauv hom ntawv nyeem tsis tau, yog li lav qhov tsis pub lwm tus paub thiab kev ruaj ntseg ntawm cov ntaub ntawv.

Ib qho ntawm feem ntau siv ntau hom kev encryption yog symmetric encryption, tseem hu ua tus yuam sij zais zais zais. Nyob rau hauv txoj kev no, ib qho tseem ceeb yog siv los encrypt thiab decrypt cov ntaub ntawv. Tus yuam sij yuav tsum khaws cia tsis pub leejtwg paub, vim tias yog ib tus neeg tau txais nws, lawv tuaj yeem nkag mus rau cov ntaub ntawv encrypted. Qhov zoo tshaj plaws-paub symmetric encryption algorithm yog AES (Advanced Encryption Standard), siv nyob rau hauv daim ntaub ntawv xws li kev tiv thaiv cov ntaub ntawv ntawm mobile pab kiag li lawm thiab network kev ruaj ntseg.

Ntawm qhov tod tes, kuj tseem muaj asymmetric encryption systems, xws li cov npe nrov RSA. Hauv hom kev encryption no, siv ob lub yuam sij sib txawv: tus yuam sij pej xeem los encrypt cov ntaub ntawv thiab tus yuam sij ntiag tug los txiav txim siab nws. Tus yuam sij rau pej xeem tau sib koom dav, thaum tus yuam sij ntiag tug tau khaws cia zais cia. Qhov no tso cai rau kev ruaj ntseg ntau dua, txij li txawm tias ib tus neeg tau txais tus yuam sij rau pej xeem, lawv yuav tsis tuaj yeem decrypt cov ntaub ntawv yam tsis muaj tus yuam sij ntiag tug.

Nov yog qee qhov piv txwv ntawm cov. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias xaiv txoj kev encryption tsim nyog nyob ntawm qhov xav tau tshwj xeeb ntawm txhua qhov system thiab cov ntaub ntawv koj xav tiv thaiv. Technology nyob rau hauv daim teb no yog evolving tas li, yog li nws yog ib qho tseem ceeb kom nyob twj ywm mus txog rau hnub ntawm kev nce qib nyob rau hauv lub teb ntawm encryption los xyuas kom meej cov ntaub ntawv kev ruaj ntseg.

3. Cov ntsiab lus lej tom qab encryption

Encryption yog txheej txheem uas siv los tiv thaiv cov ntaub ntawv tsis pub lwm tus paub thiab ua kom muaj kev ruaj ntseg ntawm cov lus sib kis. Tom qab lub tswv yim tseem ceeb no yog cov txheej txheem lej uas yog qhov tseem ceeb rau kev nkag siab txog nws txoj haujlwm. Hauv seem no, peb yuav los tshawb txog qee yam ntawm cov qauv lej uas txhawb kev encryption thiab nws qhov tseem ceeb hauv kev ruaj ntseg ntawm cov ntaub ntawv.

Ib qho ntawm cov qauv lej tseem ceeb hauv kev encryption yog pej xeem qhov tseem ceeb cryptography, tseem hu ua asymmetric cryptography. Nyob rau hauv daim ntawv no ntawm encryption, ob tug sib txawv tus yuam sij yog siv: ib tug pej xeem tus yuam sij thiab tus yuam sij ntiag tug. Tus yuam sij rau pej xeem tau sib koom qhib thiab siv los encrypt cov lus, thaum tus yuam sij ntiag tug khaws cia tsis pub leejtwg paub thiab siv los txiav txim siab cov lus zais. Lub hauv paus ntsiab lus lej no tso cai rau kev sib txuas lus ruaj ntseg ntawm ob tog yam tsis tas yuav tsum tau muab tus yuam sij zais cia yav dhau los.

Lwm lub hauv paus ntsiab lus lej yog kev siv cryptographic algorithms los ua encryption. Cov algorithms no yog cov lus qhia lej uas ua haujlwm tshwj xeeb cryptographic. Muaj ntau hom cryptographic algorithms, xws li symmetric encryption thiab asymmetric encryption, uas yog siv rau cov hom phiaj sib txawv thiab muaj ntau theem kev ruaj ntseg. Cov algorithms no tau tsim thiab sim los ntawm cov kws tshaj lij cryptography kom ntseeg tau tias lawv tiv thaiv kev tawm tsam thiab lawv cov txiaj ntsig ntawm lub sijhawm thiab kev siv nyiaj txiag.

4. Yuav ua li cas symmetric encryption algorithms ua haujlwm

Symmetric encryption algorithms yog cov txheej txheem siv dav los tiv thaiv cov ntaub ntawv los ntawm kev nkag tsis tau. Cov algorithms no siv tus yuam sij zais zais zais zais thiab decrypt cov ntaub ntawv, kom ntseeg tau tias tsuas yog ob tog tau tso cai nkag tau cov ntaub ntawv.

Nws yog nyob ntawm ob txheej txheem tseem ceeb: encryption thiab decryption. Nyob rau hauv cov txheej txheem encryption, cov ntaub ntawv tau hloov mus rau hauv ib qho kev nkag siab tsis tau siv tus yuam sij zais cia, kom ntseeg tau tias tsuas yog cov uas muaj tus yuam sij raug tuaj yeem nyeem cov ntaub ntawv. Ntawm qhov tod tes, decryption suav nrog hloov cov ntaub ntawv encrypted rov qab rau nws daim ntawv qub siv tib tus yuam sij zais cia.

Muaj ntau ntau qhov sib txawv encryption algorithms siv niaj hnub no, xws li DES (Data Encryption Standard), AES (Advanced Encryption Standard) thiab Blowfish. Txhua tus ntawm cov algorithms no muaj nws tus yam ntxwv thiab qib kev ruaj ntseg. Nws yog ib qho tseem ceeb kom ua tib zoo ntsuas qhov kev xav tau ntawm kev ruaj ntseg ntawm cov ntaub ntawv kom muaj kev tiv thaiv los xaiv cov algorithm uas tsim nyog tshaj plaws.

5. Asymmetric encryption: Kev siv cov yuam sij rau pej xeem thiab ntiag tug

Asymmetric encryption yog ib txoj hauv kev encryption uas siv ob lub yuam sij: ib qho pej xeem thiab ib tus kheej. Hom kev encryption no muaj ib txoj kev nyab xeeb los sib txuas lus thiab sib qhia cov ntaub ntawv hauv ib puag ncig digital. Es tsis txhob siv ib tus yuam sij rau encrypt thiab decrypt, asymmetric encryption siv ib khub ntawm lej muaj feem cuam tshuam.

Tus yuam sij pej xeem yog siv los encrypt cov lus, thaum tus yuam sij ntiag tug yog siv los decrypt nws. Tus yuam sij pej xeem tau muab faib dawb ntawm cov neeg siv thiab siv los encrypt cov lus xa mus rau lawv. Thaum cov lus tau raug encrypted nrog pej xeem tus yuam sij, tsuas yog tus yuam sij ntiag tug sib xws tuaj yeem decrypt nws.

Asymmetric encryption yog dav siv hauv kev ruaj ntseg daim ntaub ntawv xws li kev tiv thaiv kev lag luam online, kev lees paub tus neeg siv, thiab kos npe digital. Siv cov yuam sij pej xeem thiab ntiag tug muab txheej txheej ntxiv ntawm kev nyab xeeb, txij li txawm tias tus neeg tawm tsam tswj kom tau txais cov yuam sij pej xeem, lawv yuav tsis tuaj yeem siv nws los txiav txim siab cov lus. Qhov no ua kom ntseeg tau tias tsuas yog tus neeg tau txais kev npaj tuaj yeem nyeem cov ntaub ntawv.

6. Public keycryptography: RSA thiab nws ua haujlwm li cas

Public keycryptography yog ib txoj hauv kev siv dav hauv cov ntaub ntawv kev ruaj ntseg los xyuas kom meej cov ntaub ntawv tsis pub lwm tus paub thiab muaj tseeb ntawm cov ntaub ntawv. Ib qho ntawm qhov zoo tshaj plaws-paub pej xeem qhov tseem ceeb cryptography algorithms yog RSA, uas tshuav nws lub npe rau lub npe ntawm nws cov neeg tsim: Rivest, Shamir thiab Adleman. Qhov algorithm no yog nyob ntawm qhov nyuaj ntawm decomposing cov lej loj rau hauv lawv cov yam tseem ceeb.

Kev ua haujlwm ntawm RSA algorithm suav nrog cov kauj ruam sib txawv. Ua ntej, ob tus lej loj, p thiab q, yog tsim thiab lawv cov khoom n = p * q yog xam. Tom qab ntawd tus lej e, hu ua "encryption exponent", raug xaiv uas yog coprime nrog tus nqi ntawm cov haujlwm φ(n) = (p-1)(q-1). Tom ntej no, tus decryption exponent d yog xam, uas yog qhov sib txawv inverse ntawm e modulo φ(n). Tus yuam sij rau pej xeem yog (n, e), uas yog qhia rau txhua tus neeg uas xav xa cov ntaub ntawv encrypted, thaum tus yuam sij ntiag tug yog (n, d), uas tsuas yog tus neeg txais yuav tsum paub.

Txhawm rau encrypt cov lus siv RSA, tus xa ntawv yuav tsum sawv cev cov lus ua tus lej m thiab suav tus nqi encrypted c = m^e mod n. Tus txais, leej twg paub tus yuam sij ntiag tug (n, d), tuaj yeem decrypt cov lus qub m los ntawm kev suav m = c^d mod n. Cov txheej txheem encryption thiab decryption no ua kom ntseeg tau tias tsuas yog tus neeg uas muaj tus yuam sij ntiag tug tuaj yeem nyeem cov lus qub, yog li ua kom muaj kev ruaj ntseg ntawm kev sib txuas lus.

Nyob rau hauv luv luv, RSA pej xeem tus yuam sij cryptography yog raws li loj tus naj npawb factorization thiab siv ib tug pej xeem-private key khub rau encrypt thiab decrypt cov ntaub ntawv. Cov algorithm no tau ua pov thawj tias yog ib qho kev siv tau zoo thiab siv dav hauv cov ntaub ntawv kev ruaj ntseg. Kev nkag siab txog nws txoj haujlwm thiab kev thov kom raug yog qhov tseem ceeb los khaws cov ntaub ntawv tiv thaiv thiab lav tsis pub lwm tus paub hauv kev sib txuas lus.

7. Kev ruaj ntseg raws tu qauv thiab kev sib txuas lus encrypted ntawm lub network

Niaj hnub no, kev ruaj ntseg thiab kev sib txuas lus encrypted ntawm lub network ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev tiv thaiv cov ntaub ntawv thiab cov neeg siv ntiag tug. Cov txheej txheem kev nyab xeeb yog cov txheej txheem thiab cov cai siv los tiv thaiv kev sib txuas lus hauv lub network, tiv thaiv kev nkag mus rau cov ntaub ntawv tsis raug cai. Ntawm qhov tod tes, kev sib txuas lus encrypted muaj kev hloov pauv cov ntsiab lus ntawm cov lus mus rau hauv cov lej uas tsis nkag siab rau txhua tus uas tsis muaj tus yuam sij decryption.

Muaj ntau ntau txoj cai kev ruaj ntseg thiab encrypted kev sib txuas lus txoj kev dav siv nyob rau hauv lub network. Ib tug ntawm lawv yog SSL / TLS (Secure Sockets Layer / Transport Layer Security) raws tu qauv, uas yog siv los tsim kev ruaj ntseg kev sib txuas hauv Is Taws Nem. SSL/TLS siv daim ntawv pov thawj digital los txheeb xyuas tus kheej ntawm tus neeg rau zaub mov thiab encrypt kev sib txuas lus ntawm tus neeg siv khoom thiab lub server. Cov txheej txheem no tau siv dav hauv kev lag luam online, kev pabcuam hauv tuam txhab nyiaj, e-lag luam thiab lwm yam xwm txheej uas yuav tsum tau muaj kev sib txuas lus ruaj ntseg.

Lwm qhov kev nyab xeeb siv dav dav yog IPSec (Internet Protocol Security), uas yog siv los tiv thaiv kev sib txuas lus ntawm IP network. IPSec authenticates thiab encrypts cov ntaub ntawv packets kis ntawm tes hauj lwm, yog li tiv thaiv tsis tau kev tso cai los yog cuam tshuam cov ntaub ntawv. Cov txheej txheem no muaj txiaj ntsig tshwj xeeb hauv kev lag luam ib puag ncig lossis virtual private networks (VPN) uas xav tau kom muaj kev sib txuas lus ruaj ntseg thiab txhim khu kev qha.

8. Qhov kawg-rau-kawg encryption ua haujlwm li cas hauv messaging apps

Xaus-rau-kawg encryption yog ib txoj hauv kev ruaj ntseg siv hauv kev xa ntawv apps los tiv thaiv tus kheej ntawm kev sib tham. Hom kev encryption no tau lees tias tsuas yog tus xa thiab tus neeg tau txais kev pabcuam tuaj yeem nkag mus rau cov ntsiab lus ntawm cov lus, tiv thaiv cov neeg thib peb los ntawm kev cuam tshuam lossis nyeem cov kev sib tham.

Txhawm rau nkag siab tias qhov kawg-rau-kawg encryption ua haujlwm li cas, nws yog ib qho tseem ceeb kom paub cov kauj ruam hauv qab no:

1. Tseem Ceeb Generation: Daim ntawv thov tsim ib khub tseem ceeb rau txhua tus neeg siv. Cov yawm sij no yog siv los encrypt thiab decrypt lus zoo.

2. Cov lus encryption: Thaum tus neeg xa xov xa tuaj, nws tau encrypted siv tus neeg txais kev pabcuam pej xeem tus yuam sij. Qhov no txhais tau hais tias cov lus tsuas tuaj yeem decrypted siv tus neeg tau txais tus yuam sij ntiag tug, uas tsuas yog nws muaj.

3. Message decryption: Thaum cov lus encrypted mus txog tus neeg txais, nws tuaj yeem decrypted tsuas yog siv lawv tus yuam sij ntiag tug xwb. Qhov no ua kom ntseeg tau tias tsuas yog tus neeg tau txais txiaj ntsig tuaj yeem nyeem cov ntsiab lus ntawm cov lus.

Xaus-rau-kawg encryption hauv kev xa ntawv yog qhov tseem ceeb los tiv thaiv tus neeg siv khoom ntiag tug thiab zam qhov tsis muaj peev xwm ntawm kev ruaj ntseg ntawm kev sib tham. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias hom encryption no tsuas yog siv tau thaum txhua tus neeg koom nrog hauv kev sib tham siv tib daim ntawv thov thiab muaj qhov kev nyab xeeb no tau qhib. Xyuas kom koj siv cov apps uas siv qhov kawg-rau-kawg encryption ua kom muaj kev ruaj ntseg ntau dua thiab kev thaj yeeb ntawm lub siab thaum sib txuas lus digitally.

9. Niaj hnub nimno encryption systems: Quantum Key Distribution (QKD)

Niaj hnub nimno encryption systems tau hloov zuj zus mus kom tau raws li kev ruaj ntseg cov nyom nyob rau hauv ib tug zuj zus ib puag ncig. Ib qho ntawm cov kev nce qib no yog Quantum Key Distribution (QKD), ib txoj hauv kev siv kom zoo dua ntawm cov khoom ntawm quantum mechanics kom ruaj ntseg kis tau tus mob ntawm cov yuam sij cryptographic.

QKD yog raws li cov cuab yeej tseem ceeb ntawm quantum mechanics uas ib qho kev sim los soj ntsuam lossis ntsuas qhov system quantum yuav hloov nws lub xeev. Qhov no txhais tau hais tias yog ib qho kev sim los cuam tshuam qhov tseem ceeb kis tau tus mob, tus intruder yuav raug ntes tam sim ntawd thaum cuam tshuam hauv lub kaw lus yuav tshwm sim.

Cov txheej txheem QKD suav nrog xa ib tus neeg photons los ntawm kev sib txuas lus ruaj ntseg, xws li fiber ntau optics. Thaum tau txais cov photons no, tus txais yuav siv quantum detectors los ntsuas lawv cov polarization thiab tsim kom muaj tus yuam sij cryptographic. Vim yog qhov xwm txheej quantum ntawm photons, txhua qhov kev sim cuam tshuam yuav raug kuaj pom thiab kev sib kis yuav raug tso tseg kom tsis txhob muaj kev cuam tshuam hauv kev ruaj ntseg. Hauv cov ntsiab lus, QKD muaj txoj hauv kev ruaj ntseg thiab txhim khu kev qha los faib cov yuam sij cryptographic hauv cov cheeb tsam digital.

10. Kev nkag mus rau hauv cov khoom siv mobile: Kev siv thiab kev sib tw

Ib qho kev txhawj xeeb tseem ceeb niaj hnub no yog kev ruaj ntseg ntawm cov ntaub ntawv xa mus thiab khaws cia ntawm cov khoom siv txawb. Nrog rau kev loj hlob ntawm kev nthuav dav hauv kev siv smartphone thiab ntsiav tshuaj, nws yog qhov tseem ceeb rau kev siv cov kev ntsuas encryption zoo los tiv thaiv cov ntaub ntawv rhiab. Hauv cov ntawv tshaj tawm no, peb yuav tshawb nrhiav qhov sib txawv ntawm kev siv encryption ntawm cov khoom siv mobile thiab cov teeb meem cuam tshuam.

Muaj ntau ntau cov txheej txheem encryption uas tuaj yeem siv rau ntawm cov khoom siv mobile, xws li tag nrho disk encryption, uas encrypts tag nrho cov ntaub ntawv khaws cia hauv lub cuab yeej. Txoj hauv kev no ua kom cov ntaub ntawv ruaj ntseg txawm tias lub cuab yeej ploj lossis raug nyiag lawm. Lwm qhov kev xaiv yog encrypt cov ntaub ntawv tshwj xeeb thiab cov folders, cia tsuas yog cov ntaub ntawv rhiab tiv thaiv.

Cov teeb meem cuam tshuam nrog encryption ntawm cov khoom siv mobile suav nrog kev tswj hwm tus yuam sij encryption, kev sib raug zoo nrog ntau lub platform, thiab cov txheej txheem ua haujlwm, thiab ntaus ntawv ua haujlwm. Nws yog ib qho tseem ceeb rau kev siv cov txheej txheem tswj xyuas qhov tseem ceeb kom ntseeg tau tias cov yuam sij encryption raug tiv thaiv thiab siv tau thaum xav tau. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tau xav txog compatibility nrog cov khoom siv sib txawv mobiles thiab kev khiav hauj lwm systems los xyuas kom meej cov neeg siv kev paub zoo ib yam. Thaum kawg, nws yog ib qho tseem ceeb los ntsuas qhov cuam tshuam ntawm kev ua haujlwm ntawm cov cuab yeej, vim tias kev encryption tuaj yeem tso cov khoom ntxiv ntawm cov peev txheej.

11. Kev tiv thaiv tus kheej cov ntaub ntawv los ntawm kev encryption

Kev tiv thaiv ntawm tus kheej cov ntaub ntawv yog qhov teeb meem tseem ceeb hauv lub ntiaj teb digital. Ib txoj hauv kev zoo tshaj plaws los xyuas kom meej cov ntaub ntawv kev ruaj ntseg yog los ntawm kev encryption. Encryption yog txheej txheem uas hloov cov ntaub ntawv mus rau hauv ib hom ntawv nyeem tsis tau los ntawm kev siv lej algorithms nyuaj. Qhov no txhais tau hais tias tsuas yog cov neeg tau txais kev tso cai tuaj yeem nkag mus thiab decrypt cov ntaub ntawv.

Muaj ntau txoj kev encryption sib txawv uas tuaj yeem siv los tiv thaiv tus kheej cov ntaub ntawv. Ib qho ntawm feem ntau yog symmetric encryption, qhov twg tib tus yuam sij yog siv los encrypt thiab decrypt cov ntaub ntawv. Ntawm qhov tod tes, asymmetric encryption siv ob lub yuam sij sib txawv, ib qho pej xeem thiab ib tus ntiag tug, rau encryption thiab decryption. Txoj kev kawg no yog qhov tshwj xeeb tshaj yog thaum koj xav tau xa cov ntaub ntawv rhiab heev muaj kev nyab xeeb ntawm internet.

Txhawm rau siv encryption ntawm tus kheej cov ntaub ntawv, muaj ntau yam cuab yeej thiab thev naus laus zis muaj. Qee qhov ntawm lawv suav nrog kev siv cov txheej txheem kev nyab xeeb xws li SSL / TLS, uas muab cov txheej txheem ntxiv kev tiv thaiv thaum kis cov ntaub ntawv. Nws tseem tuaj yeem siv disk encryption software los tiv thaiv cov ntaub ntawv khaws cia hauv cov khoom siv cia, xws li hard drives lossis USB sticks. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tsum tau ua raws li kev coj noj coj ua zoo, xws li siv cov passwords zoo thiab ua haujlwm cov ntaub ntawv thaub qab periodic soj ntsuam ntawm cov ntaub ntawv encrypted.

12. Huab encryption: Cov ntaub ntawv kev ruaj ntseg thiab kev ceev ntiag tug

Qhov kev encryption nyob rau hauv huab Nws tau dhau los ua qhov kev daws teeb meem tseem ceeb los lav qhov kev nyab xeeb thiab kev ceev ntiag tug ntawm peb cov ntaub ntawv. Kev siv ntau ntxiv cov kev pabcuam khaws cia huab thiab qhov xav tau los tiv thaiv cov ntaub ntawv rhiab heev tau ua rau muaj kev txhim kho ntau yam txheej txheem encryption uas tso cai rau cov neeg siv tswj kev tswj hwm tag nrho. koj cov ntaub ntawv.

Muaj ntau txoj kev encryption huab sib txawv uas peb tuaj yeem siv tau, thiab txhua tus muaj nws qhov zoo thiab qhov tsis zoo. Ib qho ntawm qhov nrov tshaj plaws yog qhov kawg-rau-kawg encryption, uas tiv thaiv cov ntaub ntawv txij li lub sijhawm lawv tau muab tso rau hauv qhov kev pabcuam khaws cia kom txog thaum lawv decrypted ntawm tus neeg siv lub cuab yeej. Txoj kev no siv cov algorithms siab heev thiab cov yuam sij encryption los xyuas kom meej cov ntaub ntawv tsis pub lwm tus paub.

Ntxiv rau qhov kawg-rau-kawg encryption, muaj lwm txoj hauv kev uas peb tuaj yeem xav txog, xws li encrypting ib tus neeg cov ntaub ntawv lossis encrypting tag nrho cov folders. Cov kev xaiv no tso cai rau peb xaiv cov ntaub ntawv twg peb xav tau encrypt thiab khaws cov seem uas tsis muaj kev tiv thaiv. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias siv cov txheej txheem encryption no, peb yuav xav tau cov cuab yeej tshwj xeeb thiab software los pab txhawb cov txheej txheem.

13. Muaj zog thiab tsis muaj zog ntawm cov tshuab encryption tam sim no

Cov no yog cov ntsiab lus tseem ceeb uas yuav tsum xav txog hauv kev ruaj ntseg cov ntaub ntawv. Qee qhov tseem ceeb tshaj plaws hauv qhov no tau txheeb xyuas hauv qab no.

Ua ntej, ib qho ntawm qhov muaj zog tshaj plaws ntawm niaj hnub encryption systems yog lawv lub peev xwm los tiv thaiv cov ntaub ntawv tsis pub lwm tus paub. Ua tsaug rau cov txheej txheem cryptographic algorithms thiab cov txheej txheem encryption muaj zog, cov ntaub ntawv tau hloov mus rau hauv ib qho kev nyeem tsis tau zoo rau cov uas tsis muaj tus yuam sij decryption sib raug. Qhov no ua kom ntseeg tau tias cov ntaub ntawv tseem ceeb tseem zais thiab tiv thaiv los ntawm kev tawm tsam.

Txawm hais tias lawv muaj zog, cov tshuab encryption kuj muaj qee qhov tsis muaj zog uas tsim nyog coj mus rau hauv tus account. Ib qho ntawm cov teeb meem tseem ceeb tshaj plaws yog qhov muaj peev xwm ntawm kev tawm tsam uas siv cov txheej txheem brute force. Qhov no tshwm sim thaum tus neeg tawm tsam sim txhua qhov sib xyaw ua ke ntawm cov yuam sij kom txog thaum lawv pom qhov tseeb. Txawm hais tias niaj hnub encryption algorithms yog tsim los txo qhov kev hem thawj no, nws tseem yog ib qho tseem ceeb kom muaj zog thiab tsim nyog lo lus zais txoj cai, xws li kev sib txuas cov ntawv loj, me, cov lej, thiab cov cim tshwj xeeb, txhawm rau cuam tshuam kev sim tawg.

14. Lub neej yav tom ntej ntawm kev encryption: Cov txheej txheem thev naus laus zis thiab kev nce qib

Cov ntaub ntawv encryption yog ib feem tseem ceeb ntawm kev ruaj ntseg hauv lub ntiaj teb digital. Raws li thev naus laus zis nce qib, nws yog ib qho tseem ceeb kom paub txog cov txheej txheem thev naus laus zis thiab kev nce qib hauv daim teb no. Hauv tsab xov xwm no, peb yuav tshawb xyuas lub neej yav tom ntej ntawm encryption thiab seb cov qauv no yuav cuam tshuam li cas peb tiv thaiv cov ntaub ntawv rhiab.

Ib qho tseem ceeb tshaj plaws nyob rau hauv lub neej yav tom ntej ntawm encryption yog kev loj hlob ntawm quantum algorithms. Cov algorithms no coj kom zoo dua ntawm cov khoom ntawm quantum physics los daws cov teeb meem encryption ntau npaum li qub algorithms. Cov thev naus laus zis no tau cog lus tias yuav txhim kho kev ruaj ntseg ntawm cov txheej txheem cryptographic tam sim no thiab tso cai rau kev nkag siab zoo dua tiv thaiv kev tawm tsam hauv computer..

Lwm qhov tseem ceeb tshaj plaws yog kev siv dav dav ntawm qhov kawg-rau-kawg encryption. Qhov kev coj ua no muaj encrypting cov ntaub ntawv txij thaum pib mus rau qhov kawg lo lus uas peb, yog li ntawd tsuas yog tus sender thiab tus txais tau nkag mus rau cov ntaub ntawv decrypted. Xaus-rau-kawg encryption ua kom cov ntaub ntawv tsis pub lwm tus paub, txawm tias nws raug cuam tshuam thaum sib kis. Cov qauv no tau coj los ntawm qhov tseem ceeb, tshwj xeeb tshaj yog hauv kev xa xov thiab kev sib txuas lus hauv online.

Ntxiv nrog rau cov qauv no, kev siv thev naus laus zis hauv kev ua haujlwm yuav tsum tau ua ntawm kev txawj ntse cuav kuj cuam tshuam rau yav tom ntej ntawm encryption. Piv txwv li, kev tshawb nrhiav kev tawm tsam thiab kev txo qis yog tsim nyob rau lub sijhawm tiag tiag, uas siv tshuab kev kawm algorithms los txheeb xyuas cov qauv ntawm tus cwj pwm phem thiab tiv thaiv kev ua txhaum cai kev nyab xeeb. Cov kev nce qib no yuav tso cai rau cov lus teb sai dua thiab zoo dua rau kev tawm tsam cyber, txhim kho kev ruaj ntseg ntawm peb cov kev sib txuas lus online..

Nyob rau hauv luv luv, lub neej yav tom ntej ntawm encryption yog tag nrho ntawm cov lus cog tseg thiab thev naus laus zis uas yuav txhim kho kev ruaj ntseg ntawm peb lub tshuab thiab kev sib txuas lus. Cov kev xav zoo li quantum algorithms, end-to-end encryption, thiab kev txawj ntse cuav Lawv tshwm sim raws li lub ntsiab influences nyob rau hauv daim teb no. Ua raws li cov txheej txheem no yuav pab peb tiv thaiv peb cov ntaub ntawv tsis pub lwm tus paub zoo dua.

Hauv ntej, encryption yog txheej txheem tseem ceeb hauv kev tiv thaiv cov ntaub ntawv tsis pub lwm tus paub hauv ob qho tib si ntawm tus kheej thiab kev lag luam. Los ntawm algorithms thiab encryption keys, cov ntaub ntawv hloov dua siab tshiab rau hauv ib hom ntawv nyeem tsis tau rau cov uas tsis muaj tus yuam sij sib raug. Ib yam li ntawd, peb tau txheeb xyuas ntau hom kev encryption, los ntawm symmetric mus rau asymmetric, txhua tus nrog nws qhov zoo thiab qhov tsis zoo.

Txoj kev loj hlob thiab kev loj hlob ntawm cov cuab yeej technology tau ua rau kev tsim cov txheej txheem encryption uas muaj peev xwm tiv thaiv kev tawm tsam cryptanalytic thiab lav kev ruaj ntseg ntawm cov ntaub ntawv. Txawm li cas los xij, nws yog ib qho tseem ceeb kom paub txog cov kev cov nyom thiab qhov tsis zoo uas tuaj yeem cuam tshuam qhov ncaj ncees ntawm cov ntaub ntawv encrypted.

Txhawm rau nyob ntawm qhov ua ntej ntawm cybersecurity, nws yog ib qho tseem ceeb kom nkag siab tias kev encryption ua haujlwm li cas thiab nws qhov cuam tshuam. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo saib xyuas cov kev txhim kho hauv daim teb no, vim tias cryptography ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv peb cov ntaub ntawv hauv lub ntiaj teb kev sib txuas thiab digitalized zuj zus.

Hauv kev xaus, encryption yog ib qho cuab yeej tseem ceeb hauv kev tiv thaiv cov ntaub ntawv rhiab, thiab nws txoj kev siv kom raug yog qhov tseem ceeb los lav qhov tsis pub lwm tus paub, kev ncaj ncees thiab qhov tseeb ntawm cov ntaub ntawv. Raws li peb nkag mus rau lub sijhawm ntawm kev sib tshuam thoob ntiaj teb, nws yog ib qho tseem ceeb kom nkag siab thiab siv cov kev tiv thaiv kev ruaj ntseg uas tso cai rau peb tiv thaiv peb cov cuab tam digital. Paub tias kev encryption ua haujlwm li cas yog thawj kauj ruam los ua kom muaj kev ceev ntiag tug thiab kev nyab xeeb ntawm cov ntaub ntawv hauv lub ntiaj teb kev siv tshuab thiab hloov mus tas li.