1. Lub tswv yim ntawm Kev Npog Cov Ntaub Ntawv
Kev npog cov ntaub ntawv tseem hu ua kev npog cov ntaub ntawv. Nws yog ib txoj kev siv tshuab los hloov, hloov kho lossis npog cov ntaub ntawv rhiab heev xws li tus xov tooj ntawm tes, tus lej daim npav rho nyiaj thiab lwm yam ntaub ntawv thaum peb tau muab cov cai thiab cov cai ntawm kev npog. Cov txheej txheem no feem ntau yog siv los tiv thaiv cov ntaub ntawv rhiab heev los ntawm kev siv ncaj qha rau hauv cov chaw tsis txhim khu kev qha.
Txoj Cai Npog Cov Ntaub Ntawv: Kev npog cov ntaub ntawv yuav tsum khaws cov yam ntxwv ntawm cov ntaub ntawv qub, cov cai ua lag luam, thiab qhov cuam tshuam ntawm cov ntaub ntawv kom ntseeg tau tias kev txhim kho, kev sim, thiab kev tshuaj xyuas cov ntaub ntawv tom ntej yuav tsis raug cuam tshuam los ntawm kev npog. Xyuas kom meej tias cov ntaub ntawv sib xws thiab siv tau ua ntej thiab tom qab npog.
2. Kev faib tawm ntawm cov ntaub ntawv npog
Kev npog cov ntaub ntawv tuaj yeem muab faib ua cov ntaub ntawv zoo li qub (SDM) thiab cov ntaub ntawv dynamic (DDM).
Kev npog cov ntaub ntawv zoo li qub (SDM): Kev npog cov ntaub ntawv tsis hloov pauv yuav tsum tau tsim kom muaj lub hauv paus ntaub ntawv tshiab uas tsis yog kev tsim khoom kom cais tawm ntawm qhov chaw tsim khoom. Cov ntaub ntawv rhiab heev raug rho tawm ntawm lub hauv paus ntaub ntawv tsim khoom thiab tom qab ntawd khaws cia rau hauv lub hauv paus ntaub ntawv tsis yog kev tsim khoom. Ua li no, cov ntaub ntawv tsis muaj kev rhiab heev raug cais tawm ntawm qhov chaw tsim khoom, uas ua tau raws li cov kev xav tau ua lag luam thiab ua kom muaj kev ruaj ntseg ntawm cov ntaub ntawv tsim khoom.
Kev npog cov ntaub ntawv dynamic (DDM)Feem ntau siv rau hauv qhov chaw tsim khoom kom txo cov ntaub ntawv rhiab heev hauv lub sijhawm tiag tiag. Qee zaum, ntau qib ntawm kev npog ntsej muag yuav tsum tau nyeem cov ntaub ntawv rhiab heev tib yam hauv ntau qhov xwm txheej. Piv txwv li, cov luag haujlwm sib txawv thiab kev tso cai yuav siv cov txheej txheem npog ntsej muag sib txawv.
Kev tshaj tawm cov ntaub ntawv thiab daim ntawv thov zais cov khoom lag luam
Cov xwm txheej zoo li no feem ntau suav nrog cov khoom siv saib xyuas cov ntaub ntawv sab hauv lossis cov ntawv tshaj tawm, cov khoom siv cov ntaub ntawv kev pabcuam sab nraud, thiab cov ntawv qhia raws li kev tshuaj xyuas cov ntaub ntawv, xws li cov ntawv qhia kev lag luam thiab kev tshuaj xyuas qhov project.
3. Kev daws teeb meem npog cov ntaub ntawv
Cov txheej txheem npog cov ntaub ntawv feem ntau suav nrog: kev tsis lees paub, tus nqi random, kev hloov pauv cov ntaub ntawv, kev sib koom ua ke, tus nqi nruab nrab, kev sib piv thiab kev sib npaug, thiab lwm yam.
Kev tsis lees paubKev tsis lees paub yog hais txog kev encryption, txiav, lossis zais cov ntaub ntawv rhiab heev. Cov txheej txheem no feem ntau hloov cov ntaub ntawv tiag tiag nrog cov cim tshwj xeeb (xws li *). Kev ua haujlwm yooj yim, tab sis cov neeg siv tsis tuaj yeem paub hom ntawv ntawm cov ntaub ntawv qub, uas yuav cuam tshuam rau cov ntawv thov cov ntaub ntawv tom ntej.
Tus nqi tsis paub tseebTus nqi random yog hais txog kev hloov pauv random ntawm cov ntaub ntawv rhiab heev (cov lej hloov cov lej, cov ntawv hloov cov ntawv, thiab cov cim hloov cov cim). Txoj kev npog no yuav ua kom cov ntaub ntawv rhiab heev zoo rau qee qhov thiab pab txhawb kev siv cov ntaub ntawv tom qab. Tej zaum yuav xav tau cov phau ntawv txhais lus npog rau qee cov lus tseem ceeb, xws li cov npe ntawm cov neeg thiab qhov chaw.
Kev Hloov Cov Ntaub Ntawv: Kev hloov cov ntaub ntawv zoo ib yam li kev npog cov nqi null thiab random, tsuas yog tias es tsis txhob siv cov cim tshwj xeeb lossis cov nqi random, cov ntaub ntawv npog raug hloov nrog tus nqi tshwj xeeb.
Kev Siv Encryption Symmetric: Symmetric encryption yog ib txoj kev tshwj xeeb uas rov qab tau qhov kev zais cia. Nws encrypts cov ntaub ntawv rhiab heev los ntawm cov yuam sij encryption thiab algorithms. Hom ntawv ciphertext yog sib xws nrog cov ntaub ntawv qub hauv cov cai logical.
Qhov nruab nrabFeem ntau siv cov qauv nruab nrab hauv cov xwm txheej suav lej. Rau cov ntaub ntawv lej, peb xub xam lawv qhov nruab nrab, thiab tom qab ntawd faib cov nqi tsis muaj zog ib puag ncig qhov nruab nrab, yog li khaws cov lej ntawm cov ntaub ntawv kom ruaj khov.
Offset thiab RoundingTxoj kev no hloov cov ntaub ntawv digital los ntawm kev hloov pauv random. Qhov kev sib hloov offset ua kom ntseeg tau tias qhov tseeb ntawm qhov ntau thiab tsawg thaum tswj kev ruaj ntseg ntawm cov ntaub ntawv, uas nyob ze rau cov ntaub ntawv tiag tiag dua li cov phiaj xwm dhau los, thiab muaj qhov tseem ceeb heev hauv qhov xwm txheej ntawm kev tshuaj xyuas cov ntaub ntawv loj.
Tus Qauv Pom Zoo "ML-NPB-5660"rau Kev Tiv Thaiv Cov Ntaub Ntawv
4. Cov Txheej Txheem Siv Los Npog Cov Ntaub Ntawv Feem Ntau
(1). Cov Txuj Ci Txheeb Xyuas
Kev kuaj cov ntaub ntawv thiab kev sib sau ua ke ntawm cov ntaub ntawv
- Kev kuaj cov ntaub ntawv: Kev tshuaj xyuas thiab kev ntsuam xyuas cov ntaub ntawv qub los ntawm kev xaiv ib pawg neeg sawv cev ntawm cov ntaub ntawv yog ib txoj hauv kev tseem ceeb los txhim kho qhov ua tau zoo ntawm cov txheej txheem tshem tawm tus kheej.
- Kev sib sau ua ke ntawm cov ntaub ntawv: Raws li kev sib sau ua ke ntawm cov txheej txheem suav lej (xws li kev sib sau ua ke, suav, nruab nrab, qhov siab tshaj plaws thiab qhov tsawg kawg nkaus) siv rau cov yam ntxwv hauv microdata, qhov tshwm sim yog sawv cev rau txhua cov ntaub ntawv hauv cov ntaub ntawv qub.
(2). Kev siv Cryptography
Kev siv cryptography yog ib txoj kev siv ntau los txo lossis txhim kho qhov ua tau zoo ntawm kev txo qhov rhiab heev. Ntau hom kev siv encryption tuaj yeem ua tiav cov txiaj ntsig sib txawv ntawm kev txo qhov rhiab heev.
- Kev siv encryption uas txiav txim siab tau: Kev siv encryption uas tsis yog random. Feem ntau nws ua cov ntaub ntawv ID thiab tuaj yeem decrypt thiab rov qab kho cov ciphertext rau tus ID qub thaum tsim nyog, tab sis tus yuam sij yuav tsum tau tiv thaiv kom zoo.
- Kev siv tsis tau encryption: Lub hash function siv los ua cov ntaub ntawv, uas feem ntau siv rau cov ntaub ntawv ID. Nws tsis tuaj yeem decrypt ncaj qha thiab kev sib raug zoo ntawm daim ntawv qhia yuav tsum tau khaws cia. Tsis tas li ntawd, vim yog qhov feature ntawm lub hash function, kev sib tsoo ntawm cov ntaub ntawv yuav tshwm sim.
- Homomorphic encryption: Siv cov algorithm homomorphic ciphertext. Nws tus yam ntxwv yog tias qhov tshwm sim ntawm kev ua haujlwm ciphertext zoo ib yam li kev ua haujlwm ntawm cov ntawv nyeem tom qab decryption. Yog li ntawd, nws feem ntau siv los ua cov lej teb, tab sis nws tsis siv dav rau cov laj thawj kev ua tau zoo.
(3). Kev Siv Tshuab
Cov thev naus laus zis tshem tawm rho tawm lossis tiv thaiv cov ntaub ntawv uas tsis ua raws li kev tiv thaiv kev ceev ntiag tug, tab sis tsis tshaj tawm lawv.
- Kev Npog: nws yog hais txog txoj kev desensitization feem ntau los npog tus nqi ntawm tus cwj pwm, xws li tus lej sib tw, daim npav ID tau cim nrog lub hnub qub, lossis qhov chaw nyob raug txiav.
- Kev tshem tawm hauv zos: hais txog cov txheej txheem ntawm kev rho tawm cov nqi tshwj xeeb (kab), tshem tawm cov ntaub ntawv tsis tseem ceeb;
- Kev tshem tawm cov ntaub ntawv: hais txog cov txheej txheem ntawm kev rho tawm cov ntaub ntawv tshwj xeeb (kab), rho tawm cov ntaub ntawv tsis tseem ceeb.
(4). Kev Siv Tshuab Pseudonym
Kev siv lub npe cuav yog ib txoj kev tshem tawm tus kheej uas siv lub npe cuav los hloov tus neeg qhia tus kheej ncaj qha (lossis lwm tus neeg qhia tus kheej uas rhiab heev). Cov txheej txheem siv lub npe cuav tsim cov cim tshwj xeeb rau txhua tus neeg uas muaj cov ntaub ntawv, es tsis yog cov cim ncaj qha lossis cov cim rhiab heev.
- Nws tuaj yeem tsim cov nqi random ntawm nws tus kheej kom sib haum rau tus ID qub, txuag lub rooj qhia ntawv, thiab tswj hwm kev nkag mus rau lub rooj qhia ntawv nruj me ntsis.
- Koj kuj tseem siv tau encryption los tsim cov npe cuav, tab sis yuav tsum khaws tus yuam sij decryption kom raug;
Cov thev naus laus zis no siv dav hauv cov xwm txheej ntawm cov neeg siv cov ntaub ntawv ywj pheej coob coob, xws li OpenID hauv qhov xwm txheej qhib platform, qhov twg cov neeg tsim khoom sib txawv tau txais OpenIDs sib txawv rau tib tus neeg siv.
(5). Cov Txuj Ci Siv Los Ua Kom Dav Dav
Cov txheej txheem dav dav yog hais txog cov txheej txheem tsis qhia tus kheej uas txo qhov sib txawv ntawm cov yam ntxwv xaiv hauv cov ntaub ntawv teeb tsa thiab muab cov lus piav qhia dav dav thiab abstract ntawm cov ntaub ntawv. Cov txheej txheem dav dav yog qhov yooj yim rau kev siv thiab tuaj yeem tiv thaiv qhov tseeb ntawm cov ntaub ntawv theem sau. Nws feem ntau siv rau hauv cov khoom lag luam ntaub ntawv lossis cov ntawv qhia ntaub ntawv.
- Kev sib npaug: suav nrog kev xaiv lub hauv paus sib npaug rau qhov cwj pwm xaiv, xws li kev tshawb nrhiav upward lossis downward, muab cov txiaj ntsig 100, 500, 1K, thiab 10K
- Cov txheej txheem sau code sab saud thiab hauv qab: Hloov cov nqi saum toj (lossis hauv qab) qhov txwv nrog qhov txwv uas sawv cev rau qib sab saud (lossis hauv qab), ua rau muaj qhov tshwm sim ntawm "saum toj X" lossis "hauv qab X".
(6). Cov Txuj Ci Randomization
Ua ib hom kev tshem tawm tus kheej, kev siv tshuab randomization yog hais txog kev hloov kho tus nqi ntawm ib qho cwj pwm los ntawm kev randomization, yog li tus nqi tom qab randomization txawv ntawm tus nqi tiag tiag thawj. Cov txheej txheem no txo qhov peev xwm ntawm tus neeg tawm tsam kom tau txais tus nqi cwj pwm los ntawm lwm tus nqi cwj pwm hauv cov ntaub ntawv tib yam, tab sis cuam tshuam rau qhov tseeb ntawm cov ntaub ntawv tshwm sim, uas yog ib txwm muaj nrog cov ntaub ntawv sim ntau lawm.
Lub sijhawm tshaj tawm: Cuaj hlis-27-2022
