{"id":94771,"date":"2020-09-21T13:42:19","date_gmt":"2020-09-21T11:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-platforma-precursor-dlya-sozdaniya-svobodnyh-mobilnyh-ustrojstv"},"modified":"2020-09-21T13:42:19","modified_gmt":"2020-09-21T11:42:19","slug":"predstavlena-platforma-precursor-dlya-sozdaniya-svobodnyh-mobilnyh-ustrojstv","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/predstavlena-platforma-precursor-dlya-sozdaniya-svobodnyh-mobilnyh-ustrojstv","title":{"rendered":"\ud83e\udd47uMatrix projekti arendamine on l\u00f5petatud | ProHoster","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Andrew Huang (Andrew Huang<\/a><\/noindex>), tuntud kui aktiivne propageerija avatud riistvara ideid, p\u00e4lvis EFF Pioneer Award 2012<\/a><\/noindex>, esitles<\/a><\/noindex> avatud platvorm «Precursor<\/a><\/noindex>«, mis on m\u00f5eldud uute mobiilseadmete kontseptide loomiseks. Sarnaselt sellele, kuidas Raspberry Pi ja Arduino v\u00f5imaldavad luua seadmeid asjade internetiks, on Precursor suunatud v\u00f5imalusele projekteerida ja kokku panna erinevaid mobiilseid seadmeid oma vajaduste lahendamiseks.<\/p>\n

Erinevalt teistest projektidest, pakub Precursor entusiastidele mitte lihtsalt plaati, vaid valmis protot\u00fc\u00fcpi kaasaskantavast seadmest alumiiniumkorpuses, mille m\u00f5\u00f5dud on 69 x 138 x 7.2 mm, LCD-ekraan (336×536), aku (1100 mAh Li-Ion), miniatuurne klaviatuur, k\u00f5lar, vibratsioonimootor, kiirendusandur ja g\u00fcroskoop. Arvutusmoodul ei tule valmis protsessoriga, vaid programmikultuuriliselt m\u00e4\u00e4ratletud SoC, mis p\u00f5hineb FPGA Xilinx XC7S50, mille baasil on korraldatud 32-bitise CPU RISC-V emulatsioon, mis t\u00f6\u00f6tab sagedusel 100MHz. Sellega ei kaasne mingeid piiranguid teiste riistvarakomponentide emuleerimisele, n\u00e4iteks v\u00f5ib emuleerida erinevate protsessorite t\u00f6\u00f6tamist alates 6502 ja Z-80 kuni AVR ja ARM, samuti helikiibid ja erinevad kontrollerid. Plaat sisaldab 16 MB SRAM, 128 MB Flash, Wi-Fi Silicon Labs WF200C, USB type C, SPI, I\u00b2C, GPIO.<\/p>\n

\"\ud83e\udd47uMatrix<\/a><\/noindex><\/center><\/p>\n

Turvalisuse v\u00f5imalustest on m\u00e4rkimisv\u00e4\u00e4rne kahe riistvaralise pseudolaudse numbrite generaatori olemasolu. Huvi pakub, et seade tarnitakse p\u00f5him\u00f5tteliselt ilma sisseehitatud mikrofoni \u2014 eeldatakse, et heliv\u00f5tt on v\u00f5imalik ainult selgelt \u00fchendatud peakomplekti kaudu, ja kui peakomplekt on lahti \u00fchendatud, on f\u00fc\u00fcsiliselt v\u00f5imatu korraldada kuulamist, isegi kui seadme tarkvara on kompromiteeritud. <\/p>\n

Traadita side (Wi-Fi) chip on riistvara poolest eraldatud \u00fclej\u00e4\u00e4nud platvormist ja t\u00f6\u00f6tab eraldi keskkonnas. Volitamata juurdep\u00e4\u00e4su kaitseks kasutatakse ka lukustatavat korpust, eraldi RTC-d terviklikkuse j\u00e4lgimiseks, ooteoleku j\u00e4lgimist (alati sisse l\u00fclitatud akseleromeeter ja g\u00fcroskoop). Samuti on ette n\u00e4htud isekaitseskeem ja k\u00f5ikide andmete kohene kustutamine, mis aktiveeritakse AES-v\u00f5tme abil.<\/p>\n

Riistvarakomponentide kirjeldamiseks kasutatakse FHDL-keelt Migen<\/a><\/noindex> (Fragmented Hardware Description Language), mis p\u00f5hineb Pythonil. Migen kuulub raamistikku LiteX<\/a><\/noindex>, mis pakub infrastruktuuri elektrooniliste skeemide loomiseks. Precursori baasil on FPGA ja LiteX abil ette valmistatud standardne SoC Betrusted<\/a><\/noindex>, mis sisaldab 100 MHz CPU VexRISC-V RV32IMAC ning integreeritud kontrollerit
\nBetrusted-EC s\u00fcdamikuga 18 MHz LiteX VexRISC-V RV32I.
\n

\"\ud83e\udd47uMatrix<\/a><\/noindex><\/center><\/p>\n

SoCs Betrusted sisaldab integreeritud kr\u00fcptograafiliste primitiivide komplekti, nagu valejuhuslike arvu generaator, AES-128, -192, -256 ECB, CBC ja CTR re\u017eiimides, SHA-2 ja SHA-512, kr\u00fcptomootori<\/a><\/noindex> baasil, mis p\u00f5hineb elliptiliste k\u00f5verate Curve25519. Kr\u00fcptomootor on kirjutatud SystemVerilogis ja p\u00f5hineb kr\u00fcptokihtidel projektist Google OpenTitan<\/a><\/noindex>. <\/p>\n

Precursor positsioneeritakse protot\u00fc\u00fcpide loomise ja valideerimise platvormina, samas kui Betrusted on \u00fcks valmis mobiilseadmetest, mis on loodud Precursori baasil. Kuna traditsioonilised enclaves, mida kasutatakse kr\u00fcptov\u00f5tmete isoleeritud salvestamiseks, ei kaitse k\u00f5rge taseme r\u00fcnnakute, n\u00e4iteks paroole koguvate klahviviipe ja s\u00f5numite ekraanipiltide loomise kaudu, eest, on Betrustedi enclaves rakenduses lisatud kasutajaliidese elemente (HCI<\/a><\/noindex>, inimese-arvuti interaktsioon), mis tagavad, et salajased andmed, mida inimene lugeda saab, ei salvestata, ei kuvata ega edastata kunagi kaitstud seadme v\u00e4lised. <\/p>\n

Betrusted ei p\u00fc\u00fca asendada mobiiltelefoni, vaid loob ainult kaitstud enclave sisendi ja v\u00e4ljundi jaoks, mis on auditeeritavad. N\u00e4iteks saab v\u00e4list nutitelefoni kasutada Wi-Fi kaudu usaldamatuna andmeedastuskanalina, kuid edastatud kr\u00fcpteeritud s\u00f5numid sisestatakse ainult Betrustedi seadme sisseehitatud klaviatuuril, saadud s\u00f5numid kuvatakse ainult seadme sisseehitatud ekraanil.<\/p>\n

K\u00f5ik Precursori ja Betrustedi komponendid on avatud ja saadaval muutmiseks ja katsetamiseks litsentsi alusel Open Hardware Licence 1.2<\/a><\/noindex>, mis n\u00f5uab, et k\u00f5ik tuletatud teosed avatakse samas litsentsis. Avatud on ka skeemid<\/a><\/noindex> ja t\u00e4ielik projektdokumentatsioon peamise ja abiplatvormi<\/a><\/noindex>, valmis teostus SoC Betrusted<\/a><\/noindex> ja juhtimiskontrolleri<\/a><\/noindex> (EC<\/a><\/noindex>). Selle jaoks on saadaval kuni 3D-prinditud korpuse mudelid. Avatud projektidena arendatakse ka firmware'i kogumit<\/a><\/noindex> ja spetsialiseeritud operatsioonis\u00fcsteem<\/a><\/noindex> Xous mikrokerne.<\/p>\n

\"\ud83e\udd47uMatrix<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u042d\u043d\u0434\u0440\u044e \u0425\u0443\u0430\u043d (Andrew Huang), \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u0430\u043a\u0442\u0438\u0432\u0438\u0441\u0442 \u043f\u043e \u043f\u0440\u043e\u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044e \u0438\u0434\u0435\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u0443\u0434\u043e\u0441\u0442\u043e\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u0435\u043c\u0438\u0438 EFF Pioneer Award 2012, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 «Precursor«, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043a\u043e\u043d\u0446\u0435\u043f\u0442\u043e\u0432 \u043d\u043e\u0432\u044b\u0445 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u041f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0442\u0435\u043c, \u043a\u0430\u043a Raspberry Pi \u0438 Arduino \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430-\u0432\u0435\u0449\u0435\u0439, Precursor \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u0441\u0432\u043e\u0438\u043c\u0438 \u0440\u0443\u043a\u0430\u043c\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":94772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-94771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Esitletud on Precursor platvorm vabade mobiilsete seadmete loomiseks | ProHoster","description":"Andrew Huang, tuntud vabavaralise riistvara ideede propageerija, on 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