{"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\/hu\/blog\/news\/predstavlena-platforma-precursor-dlya-sozdaniya-svobodnyh-mobilnyh-ustrojstv","title":{"rendered":"Bemutat\u00e1sra ker\u00fclt a Precursor platform, amely szabad mobil eszk\u00f6z\u00f6k l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Andr\u00e1s Huang (Andrew Huang<\/a><\/noindex>), a well-known advocate for free hardware, awarded the EFF Pioneer Award 2012<\/a><\/noindex>, bemutatott<\/a><\/noindex> nyitott platforma \u201ePrecursor<\/a><\/noindex>\u201e, amely \u00faj mobil eszk\u00f6z\u00f6k koncepci\u00f3inak l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l. A Raspberry Pi \u00e9s az Arduino p\u00e9ld\u00e1j\u00e1ra, amelyek lehet\u0151v\u00e9 teszik az IoT eszk\u00f6z\u00f6k l\u00e9trehoz\u00e1s\u00e1t, a Precursor c\u00e9lja, hogy lehet\u0151s\u00e9get adjon arra, hogy saj\u00e1t kez\u0171leg tervezzen \u00e9s szereljen \u00f6ssze k\u00fcl\u00f6nb\u00f6z\u0151 mobil eszk\u00f6z\u00f6ket a saj\u00e1t ig\u00e9nyeinek megfelel\u0151en.<\/p>\n

M\u00e1s projektekkel ellent\u00e9tben a Precursor nem csup\u00e1n egy nyomtatott \u00e1ramk\u00f6rt k\u00edn\u00e1l az entuziaszt\u00e1k sz\u00e1m\u00e1ra, hanem egy k\u00e9sz protot\u00edpust egy alum\u00ednium h\u00e1zban, amelynek m\u00e9retei 69 x 138 x 7,2 mm, LCD kijelz\u0151vel (336\u00d7536), akkumul\u00e1torral (1100 mAh Li-Ion), mini klaviat\u00far\u00e1val, hangsz\u00f3r\u00f3val, vibr\u00e1ci\u00f3s motorral, gyorsul\u00e1sm\u00e9r\u0151vel \u00e9s giroszk\u00f3ppal rendelkezik. A sz\u00e1m\u00edt\u00e1si modul nem k\u00e9szen kapott processzorral \u00e9rkezik, hanem programozhat\u00f3 SoC-val, amely az FPGA Xilinx XC7S50 alapjaira \u00e9p\u00fcl, ezen fut a 100MHz-en m\u0171k\u00f6d\u0151 32 bites RISC-V CPU emul\u00e1l\u00e1sa. Nincsenek korl\u00e1toz\u00e1sok m\u00e1s hardverkomponensek emul\u00e1l\u00e1s\u00e1ra sem; p\u00e9ld\u00e1ul emul\u00e1lhat\u00f3 k\u00fcl\u00f6nb\u00f6z\u0151 processzorok m\u0171k\u00f6d\u00e9se, a 6502-t\u0151l \u00e9s Z-80-t\u00f3l kezdve az AVR-ig \u00e9s ARM-ig, valamint hangchippek \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 vez\u00e9rl\u0151k is. Az \u00e1ramk\u00f6r 16 MB SRAM-ot, 128 MB Flash-t, Wi-Fi Silicon Labs WF200C-t, USB type C-t, SPI-t, I\u00b2C-t \u00e9s GPIO-t tartalmaz.<\/p>\n

\"Bemutat\u00e1sra<\/a><\/noindex><\/center><\/p>\n

A biztons\u00e1ggal kapcsolatos lehet\u0151s\u00e9gek k\u00f6z\u00f6tt szerepel k\u00e9t hardveres \u00e1l-random sz\u00e1mgener\u00e1tor. \u00c9rdekes, hogy az eszk\u00f6z elvileg be\u00e9p\u00edtett mikrofon n\u00e9lk\u00fcl ker\u00fcl forgalomba \u2014 felt\u00e9telezhet\u0151, hogy a hangv\u00e9tel csak a f\u00fclhallgat\u00f3 kifejezett csatlakoztat\u00e1s\u00e1val lehets\u00e9ges, \u00e9s ha a f\u00fclhallgat\u00f3 nincs csatlakoztatva, fizikailag lehetetlen a lehallgat\u00e1s, m\u00e9g akkor is, ha az eszk\u00f6z szoftver\u00e9t kompromitt\u00e1lt\u00e1k. <\/p>\n

The chip for wireless communication (Wi-Fi) is hardware-isolated from the rest of the platform and operates in a separate environment. To protect against unauthorized access, a lockable casing is also used, along with a separate RTC for integrity tracking, and motion monitoring in standby mode (with always-on accelerometer and gyroscope). It also features a self-destruct circuit and an instantaneous wipe of all data, activated by an AES key.<\/p>\n

The hardware components are described using the FHDL language Migen<\/a><\/noindex> (Fragment\u00e1lt Hardver Le\u00edr\u00e1s Nyelv), amely a Pythonra \u00e9p\u00fcl. A Migen a keretrendszer r\u00e9sze LiteX<\/a><\/noindex>, amely elektronikus \u00e1ramk\u00f6r\u00f6k l\u00e9trehoz\u00e1s\u00e1hoz ny\u00fajt infrastrukt\u00far\u00e1t. A Precursor alapjain FPGA \u00e9s LiteX seg\u00edts\u00e9g\u00e9vel k\u00e9sz\u00fclt egy referencia SoC Betrusted<\/a><\/noindex>, amely 100 MHz CPU VexRISC-V RV32IMAC-ot, valamint be\u00e1gyazott vez\u00e9rl\u0151t tartalmaz
\nBetrusted-EC, 18 MHz LiteX VexRISC-V RV32I maggal.
\n

\"Bemutat\u00e1sra<\/a><\/noindex><\/center><\/p>\n

A Betrusted SoC-ban be\u00e1gyazott kriptogr\u00e1fiai primit\u00edvek tal\u00e1lhat\u00f3k, mint p\u00e9ld\u00e1ul pszeud\u00f3v\u00e9letlen sz\u00e1m gener\u00e1tor, AES-128, -192, -256 ECB, CBC \u00e9s CTR m\u00f3dokkal, SHA-2 \u00e9s SHA-512, kriptogr\u00e1fiai motor<\/a><\/noindex> elliptikus g\u00f6rb\u00e9k alapj\u00e1n, Curve25519. A kriptogr\u00e1fiai motor SystemVerilog nyelven \u00edr\u00f3dott, \u00e9s az Google OpenTitan<\/a><\/noindex>. <\/p>\n

Projekt alapj\u00e1n k\u00e9sz\u00fclt. A Precursor platformk\u00e9nt pozicion\u00e1l\u00f3dik protot\u00edpusok l\u00e9trehoz\u00e1s\u00e1hoz \u00e9s ellen\u0151rz\u00e9s\u00e9hez, m\u00edg a Betrusted a Precursor alapjain k\u00e9sz\u00fclt k\u00e9sz mobil eszk\u00f6zk\u00e9nt szolg\u00e1l. Mivel a hagyom\u00e1nyos enclave-okat, amelyeket a kriptogr\u00e1fiai kulcsok elszigetelt t\u00e1rol\u00e1s\u00e1ra haszn\u00e1lnak, nem v\u00e9dik a magas szint\u0171 t\u00e1mad\u00e1sokt\u00f3l, mint p\u00e9ld\u00e1ul a billenty\u0171le\u00fct\u00e9seken kereszt\u00fcli jelszolg\u00e1ltat\u00e1s vagy a k\u00e9perny\u0151k\u00e9pek haszn\u00e1lat\u00e1val el\u00e9rhet\u0151 \u00fczenetek keltez\u00e9se, a Betrusted enclave megval\u00f3s\u00edt\u00e1s\u00e1ba felhaszn\u00e1l\u00f3i interakci\u00f3s elemeket \u00e9p\u00edtettek be (HCI<\/a><\/noindex>, Ember-Sz\u00e1m\u00edt\u00f3g\u00e9p Interakci\u00f3), amelyek garant\u00e1lj\u00e1k, hogy a titkos adatok, amelyeket ember olvashat, soha nem lesznek t\u00e1rolva, megjelen\u00edtve vagy tov\u00e1bb\u00edtva a v\u00e9dett eszk\u00f6z\u00f6n k\u00edv\u00fcl. <\/p>\n

A Betrusted nem arra t\u00f6rekszik, hogy helyettes\u00edtse a mobiltelefonokat, hanem egy v\u00e9dett enclave-t alkot, amelyhez bemenet \u00e9s kimenet audit\u00e1lhat\u00f3 m\u00f3don \u00e9rhet\u0151 el. P\u00e9ld\u00e1ul egy k\u00fcls\u0151 okostelefon Wi-Fi-n kereszt\u00fcl haszn\u00e1lhat\u00f3 mint megb\u00edzhatatlan adat\u00e1tviteli csatorna, de a tov\u00e1bb\u00edtott titkos\u00edtott \u00fczenetek kiz\u00e1r\u00f3lag a Betrusted be\u00e9p\u00edtett billenty\u0171zet\u00e9n kereszt\u00fcl vannak megadva, m\u00edg a kapott \u00fczenetek csak a be\u00e9p\u00edtett k\u00e9perny\u0151n jelennek meg.<\/p>\n

A Precursor \u00e9s a Betrusted \u00f6sszes komponense ny\u00edlt forr\u00e1sk\u00f3d\u00fa, \u00e9s a m\u00f3dos\u00edt\u00e1sok \u00e9s k\u00eds\u00e9rletek c\u00e9lj\u00e1b\u00f3l el\u00e9rhet\u0151k az Open Hardware Licence 1.2<\/a><\/noindex>, amely megk\u00f6veteli, hogy minden sz\u00e1rmaztatott munka azonos licenc alatt ker\u00fclj\u00f6n k\u00f6zz\u00e9t\u00e9telre. Bele\u00e9rtve, hogy nyilv\u00e1nosak a s\u00e9m\u00e1k<\/a><\/noindex> \u00e9s a teljes projekt dokument\u00e1ci\u00f3 f\u0151- \u00e9s kieg\u00e9sz\u00edt\u0151 lapok<\/a><\/noindex>, a k\u00e9sz megval\u00f3s\u00edt\u00e1s SoC Betrusted<\/a><\/noindex> \u00e9s vez\u00e9rl\u0151j\u00e9nek<\/a><\/noindex> (EC<\/a><\/noindex>). Ki vannak dolgozva a 3D nyomtatott h\u00e1z modellek. Ny\u00edlt projektk\u00e9nt folyamatban van egy firmware csomag<\/a><\/noindex> \u00e9s a specializ\u00e1lt oper\u00e1ci\u00f3s rendszer<\/a><\/noindex> Xous mikrokernel alap\u00fa.<\/p>\n

\"Bemutat\u00e1sra<\/a><\/noindex><\/center><\/p>\n

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

Forr\u00e1s: 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\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\udd47Bemutatva a Precursor platformot a szabad mobil eszk\u00f6z\u00f6k l\u00e9trehoz\u00e1s\u00e1hoz | ProHoster","description":"Andr\u00e1s Huang, a well-known activist for the promotion of free hardware ideas, has been 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