{"id":490,"date":"2014-09-23T15:00:00","date_gmt":"2014-09-23T15:00:00","guid":{"rendered":"http:\/\/skeemipesa.ee\/tehnohack\/?p=490"},"modified":"2014-09-23T15:00:00","modified_gmt":"2014-09-23T15:00:00","slug":"nfc-pohine-ligipaasususteem","status":"publish","type":"post","link":"https:\/\/www.tehnohack.ee\/2014\/nfc-pohine-ligipaasususteem\/","title":{"rendered":"NFC-p\u00f5hine ligip\u00e4\u00e4sus\u00fcsteem"},"content":{"rendered":"<p>Enamasti usaldavad ligip\u00e4\u00e4sus\u00fcsteemid mingi kaardi unikaalset ID-d, kuid tegelikkuses on see suhteliselt lihtsalt v\u00f5ltsitav. Korrektne lahendus lisaks kaardile kr\u00fcpteeritud rakenduse koos eraldiseisva identifikaatoriga (ning v\u00f5ib-olla ka ligip\u00e4\u00e4su info, kui alati ei soovita serverist kontrollida, millised ligip\u00e4\u00e4su\u00f5igused kaardil on) Eesm\u00e4rk oleks luua lihtne turvaline ligip\u00e4\u00e4sus\u00fcsteem.<\/p>\n<p>S\u00fcsteem on ehitatav vabalt saadaval olevatest komponentidest. Tr\u00fckkplaadil v\u00f5iks olla NFC-kiip, U.FL \u00fchendus ning PCB-antennimoodul. Ta v\u00f5iks \u00fchenduda Raspberry Pi mooduliga SO-DIMM \u00fchenduse vahendusel ning omada toiteks 802.3af (v\u00f5i at) PoE. V\u00e4ljundid relee ja LEDide jaoks (ilmselt on vaja ka reguleeritavaid l\u00fclitusregulaatoreid erinevate toitepingete joaks: elektroonilised lukud vajavad tihti 12V, SOC\/MCU t\u00f6\u00f6tab tavaliselt 3.3V-l, ning paljud teised asjad vajvad 5V pinget)<\/p>\n<p><strong>Meeskonda vaja appi:<\/strong> t\u00f6\u00f6stusdisainer, PCB disainer, C-programmeerijaid, turvaekspert<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enamasti usaldavad ligip\u00e4\u00e4sus\u00fcsteemid mingi kaardi unikaalset ID-d, kuid tegelikkuses on see suhteliselt lihtsalt v\u00f5ltsitav. Korrektne lahendus lisaks kaardile kr\u00fcpteeritud rakenduse koos eraldiseisva identifikaatoriga<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/posts\/490"}],"collection":[{"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/comments?post=490"}],"version-history":[{"count":1,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/posts\/490\/revisions"}],"predecessor-version":[{"id":491,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/posts\/490\/revisions\/491"}],"wp:attachment":[{"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/media?parent=490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/categories?post=490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tehnohack.ee\/2014\/wp-json\/wp\/v2\/tags?post=490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}