FairPlay tseem siv nyob hauv khw iTunes, tab sis dab tsi yog qhov twg?
FairPlay yog dab tsi?
Nws yog ib daim ntawv tiv thaiv uas siv los ntawm kua rau qee hom ntawm cov ntsiab lus hauv iTunes Store. Nws tseem ua tau rau hauv lub tuam txhab khoom kho khoom xws li iPhone, iPad, thiab iPod. FairPlay yog ib txoj cai tswj hwm (DRM) uas tsim los txwv cov neeg ua luam ntawm cov ntaub ntawv uas tau muab luam tawm los ntawm Apple's lub khw hauv online.
Lub ntsiab tseem ceeb ntawm FairPlay yog qhov uas nws tsis pub cov kev sib faib khoom txhaum cai ntawm cov ntaub ntawv pov thawj. Txawm li cas los xij, Apple's daim ntawv tiv thaiv kab mob kuj yog ib qho mob tiag tiag rau cov neeg siv tau cov khoom siv raws cai thiab tsis yooj yim ua backups rau lawv tus kheej siv.
Yog Nws Tseem Siv Cov Xinesmas?
Txij xyoo 2009, FairPlay tsis siv ntxiv rau kev tiv thaiv-muas cov nkauj thiab albums. Lub iTunes Plus hom yog tam sim no siv rau cov suab paj nruag downloads. Lub suab ua suab paj nruag tsis pub muaj suab paj nruag dawb uas muaj suab zoo dua ua ntej. Nyob rau hauv qhov tseeb, nws muaj ob zaug qhov kev daws teeb meem - ib tug bitrate ntawm 256 Kbps ntau tshaj 128 Kbps rau DRM tiv thaiv zaj nkauj.
Txawm li cas los xij, txawm tias muaj cov qauv DRM tsis pub nws paub tias tus watermark tau muab tso rau hauv cov nkauj uas tau rub tawm. Cov ntaub ntawv zoo li koj tus email chaw nyob yog tseem siv los txhawm rau txheeb tus neeg yuav khoom.
Cov ntsiab lus DRM yog dab tsi?
FairPlay DRM tseem siv rau kev tiv thaiv qee yam xov xwm digital tawm hauv iTunes Store. Qhov no suav nrog:
- Tsos
- TV qhia
- ebooks
- Apps.
Txoj Haujlwm Txoj Kev Tiv Thaiv No Li Cas?
FairPlay siv asymmetric encryption uas pib txhais tau hais tias cov khub tseem ceeb siv - qhov no yog kev sib txuas ntawm tus tswv thiab tus neeg siv khoom. Thaum koj yuav luam tawm cov ntsiab lus tiv thaiv los tom khw iTunes, tus 'user key' yog generated. Qhov no yuav tsum tau mus decrypt tus 'tus yuam sij master' hauv koj cov ntaub ntawv downloaded.
Raws li zoo li tus neeg siv khoom muab khaws cia ntawm Apple's servers, nws tseem raug thawb mus rau iTunes software - QuickTime muaj FairPlay built-in thiab siv los ua si cov ntaub ntawv DRM.
Thaum tus tswv tseem ceeb yog xauv los ntawm tus neeg siv qhov tseem ceeb nws mam li mus ua si rau cov ntaub ntawv tiv thaiv - qhov no yog MP4 thawv uas muaj ib qho AAC kwj hauv nws. Thaum koj hloov FairPlay encrypted cov ntsiab lus rau koj iPhone, iPod, los yog iPad, cov neeg siv cov yawm sij yog tseem muaj txhij ua rau kev txiav txim siab kom tiav tiav ntawm lub cuab yeej.
Cov Kev Siv Dab Tsi Yeej Siv Tau Tshem tawm DRM From Songs?
Muaj ntau txoj hauv kev uas koj tuaj yeem ua tau qhov no xws li:
- Sau npe mus rau iTunes Match iTunes Match qhov kev pab cuam hloov cov ntaub ntawv muaj kev tiv thaiv iTunes zaj nkauj koj muaj nyob rau hauv koj lub tsev qiv ntawv rau cov tsis muaj DRM. Koj thawj zaug yuav tsum rho tawm ntawm koj lub computer cov tsev qiv ntawv thiab ces download tau iTunes Plus versions ntawm iCloud - qhov no kuj ua rau koj cov nkauj ua upgraded rau ib tug ntau dua cov kev daws teeb meem (ntawm ib ntsis ntawm 128 Kbps rau 256 Kbps).
- DRM Tshem Tawm Software Koj tuaj yeem yuav cov kev pab cuam tshwj xeeb software uas teev cov lus tso tawm ntawm koj lub suab kom thiaj li tsim DRM dawb versions ntawm zaj nkauj. Cov txheej txheem no siv qhov kev tawm tsam ntawm Analog Hole uas tsis ncaj qha rau cov ntaub ntawv tseem cia nrog.
- Hlawv Cov Tiv Thaiv Tiv Thaiv rau CD Suab Siv cov iTunes software nws tau muab luam tawm cov nkauj tiv thaiv rau ib qho standard audio CD. Koj tuaj yeem rub lub lem rov qab mus rau hauv koj lub tsev qiv ntawv hauv iTunes li DRM-dawb audio files. Qhov no tuaj yeem ua tus txheej txheem qeeb yog tias koj muaj ntau ntau zaj nkauj ntawm FairPlay, tab sis tseem yog ib qho kev daws teeb meem uas tsis tas yuav tsum muaj kev pabcuam thib peb.
- DRM Hacking Software Cov no yog cov kev siv uas ncaj qha tawm tawm lub encryption los ntawm cov ntaub ntawv.
Txoj cai lij choj hais txog kev tshem tawm ntawm DRM yog tsis muaj txhais tau tseeb. Txawm li cas los xij, yog tias koj hwm txoj cai thiab tsis faib cov ntsiab lus koj tau yuav, ces qhov no feem ntau poob rau hauv 'siv ncaj ncees'.