{"id":11101,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/porozumeni-tomu-jak-vas-windows-hello-overuje\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"porozumeni-tomu-jak-vas-windows-hello-overuje","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/porozumeni-tomu-jak-vas-windows-hello-overuje\/","title":{"rendered":"Porozum\u011bn\u00ed tomu, jak v\u00e1s Windows Hello ov\u011b\u0159uje"},"content":{"rendered":"<div class=\"orig\">\n<div class=\"origqestion\">Co je Windows Hello?<\/div>\n<div class=\"origanswer\">Co je Windows Hello? Windows Hello je osobn\u011bj\u0161\u00ed zp\u016fsob, jak se p\u0159ihl\u00e1sit pomoc\u00ed obli\u010deje, otisku prstu nebo PIN k\u00f3du. Windows Hello m\u016f\u017eete pou\u017e\u00edvat k p\u0159ihla\u0161ov\u00e1n\u00ed ke sv\u00e9mu za\u0159\u00edzen\u00ed na zamykac\u00ed obrazovce a k p\u0159ihla\u0161ov\u00e1n\u00ed ke sv\u00e9mu \u00fa\u010dtu na webu. Cached<\/div>\n<div class=\"origurl\">\n\t\t\t\t\t<span> Dal\u0161\u00ed informace najdete na<\/span> <a href=\"https:\/\/support.microsoft.com\/cs-cz\/windows\/p%C5%99ihl%C3%A1%C5%A1en%C3%AD-k-va%C5%A1emu-%C3%BA%C4%8Dtu-microsoft-pomoc%C3%AD-windows-hello-nebo-kl%C3%AD%C4%8De-zabezpe%C4%8Den%C3%AD-800a8c01-6b61-49f5-0660-c2159bea4d84#:~:text=Co%20je%20Windows%20Hello%3F,ke%20sv%C3%A9mu%20%C3%BA%C4%8Dtu%20na%20webu.\">support.microsoft.com<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n<div class=\"articlecontent\">P\u0159edstavte se: U\u017eivatel\u00e9 mohou snadno a bezpe\u010dn\u011b vstoupit do sv\u00fdch za\u0159\u00edzen\u00ed pomoc\u00ed Windows Hello, vestav\u011bn\u00e9 funkce ov\u011b\u0159ov\u00e1n\u00ed ve Windows 10. Nahrazuje pot\u0159ebu b\u011b\u017en\u00fdch hesel t\u00edm, \u017ee k ov\u011b\u0159en\u00ed va\u0161\u00ed toto\u017enosti a z\u00edsk\u00e1n\u00ed p\u0159\u00edstupu k po\u010d\u00edta\u010di vyu\u017e\u00edv\u00e1 biometrick\u00e9 informace, nap\u0159\u00edklad rozpozn\u00e1n\u00ed obli\u010deje nebo sn\u00edm\u00e1n\u00ed otisk\u016f prst\u016f. V tomto p\u0159\u00edsp\u011bvku se budeme zab\u00fdvat funkcemi funkce Windows Hello a prozkoum\u00e1me jej\u00ed funkci rozpozn\u00e1v\u00e1n\u00ed obli\u010deje, postup aktivace a srovn\u00e1n\u00ed s alternativn\u00edmi technikami p\u0159ihla\u0161ov\u00e1n\u00ed. Jak\u00fd je postup rozpozn\u00e1v\u00e1n\u00ed obli\u010deje v syst\u00e9mu Windows Hello? Funkce rozpozn\u00e1v\u00e1n\u00ed obli\u010deje v syst\u00e9mu Windows Hello vyu\u017e\u00edv\u00e1 \u0161pi\u010dkov\u00e9 hardwarov\u00e9 a softwarov\u00e9 mo\u017enosti k p\u0159esn\u00e9 identifikaci a ov\u011b\u0159en\u00ed toto\u017enosti osob. Vyu\u017e\u00edv\u00e1 hloubkov\u00e9 senzory, jako je Intel RealSense, nebo infra\u010derven\u00e9 kamery, kter\u00e9 po\u0159izuj\u00ed sn\u00edmky obli\u010deje s vysok\u00fdm rozli\u0161en\u00edm. Tyto kamery zaznamen\u00e1vaj\u00ed charakteristick\u00e9 rysy, jako je vzd\u00e1lenost mezi o\u010dima, obrysy obli\u010deje a tvar nosu, a vytv\u00e1\u0159ej\u00ed tak 3D mapu rys\u016f va\u0161eho obli\u010deje. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Data jsou n\u00e1sledn\u011b zpracov\u00e1na a p\u0159em\u011bn\u011bna na otisk obli\u010deje, matematickou reprezentaci shrom\u00e1\u017ed\u011bn\u00fdch dat. Budouc\u00ed pokusy o ov\u011b\u0159en\u00ed budou vyu\u017e\u00edvat tento otisk obli\u010deje jako referenci, kter\u00e1 je bezpe\u010dn\u011b ulo\u017eena ve va\u0161em za\u0159\u00edzen\u00ed. Syst\u00e9m Windows Hello zjist\u00ed shodu p\u0159i pokusu o p\u0159ihl\u00e1\u0161en\u00ed porovn\u00e1n\u00edm \u017eiv\u00e9ho obrazu va\u0161eho obli\u010deje s d\u0159\u00edve ulo\u017een\u00fdm otiskem obli\u010deje. Po potvrzen\u00ed va\u0161\u00ed identifikace je postup neuv\u011b\u0159iteln\u011b rychl\u00fd a umo\u017e\u0148uje v\u00e1m okam\u017eit\u00fd p\u0159\u00edstup k za\u0159\u00edzen\u00ed. Jak lze ov\u011b\u0159ov\u00e1n\u00ed Windows Hello povolit? Aby bylo mo\u017en\u00e9 ov\u011b\u0159ov\u00e1n\u00ed Windows Hello povolit, mus\u00ed b\u00fdt va\u0161e za\u0159\u00edzen\u00ed vybaveno pot\u0159ebn\u00fdm hardwarem, nap\u0159\u00edklad infra\u010dervenou kamerou nebo sn\u00edma\u010dem otisk\u016f prst\u016f. Jakmile jste si jisti, \u017ee m\u00e1te vhodn\u00fd hardware, postupujte p\u0159i konfiguraci funkce Windows Hello n\u00e1sleduj\u00edc\u00edm zp\u016fsobem: 1. V nab\u00eddce Start klikn\u011bte na polo\u017eku Nastaven\u00ed a pot\u00e9 vyberte mo\u017enost \u00da\u010dty. 2. Klikn\u011bte na tla\u010d\u00edtko Nastaven\u00ed. 2. V okn\u011b \u00da\u010dty vyberte kartu &#8222;Mo\u017enosti p\u0159ihl\u00e1\u0161en\u00ed&#8220;. 3. V z\u00e1vislosti na hardwaru, ke kter\u00e9mu m\u00e1te p\u0159\u00edstup, vyberte v \u010d\u00e1sti &#8222;Windows Hello&#8220; mo\u017enost &#8222;Windows Hello Face&#8220; nebo &#8222;Windows Hello Fingerprint&#8220;. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> 4. Chcete-li dokon\u010dit postup nastaven\u00ed, kter\u00fd obvykle zahrnuje odebr\u00e1n\u00ed n\u011bkolika vzork\u016f obli\u010deje nebo otisku prstu, klikn\u011bte na tla\u010d\u00edtko &#8222;Nastavit&#8220; a pot\u00e9 se \u0159i\u010fte pokyny na obrazovce. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Je Face ID vhodn\u011bj\u0161\u00ed ne\u017e Windows Hello? <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> A\u010dkoli Windows Hello i Face ID jsou \u0161pi\u010dkov\u00e9 techniky biometrick\u00e9ho ov\u011b\u0159ov\u00e1n\u00ed, jejich platforma a technologie se li\u0161\u00ed. U Face ID, kter\u00e9 je k dispozici pouze v produktech Apple, jsou rysy va\u0161eho obli\u010deje zachyceny a analyzov\u00e1ny pomoc\u00ed kamerov\u00e9ho syst\u00e9mu TrueDepth. Naproti tomu Windows Hello je kompatibiln\u00ed s \u0159adou za\u0159\u00edzen\u00ed se syst\u00e9mem Windows 10 a vyu\u017e\u00edv\u00e1 bu\u010f infra\u010derven\u00e9 kamery, nebo kamery s hloubkov\u00fdm sn\u00edm\u00e1n\u00edm. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Osobn\u00ed preference a kompatibilita za\u0159\u00edzen\u00ed nakonec rozhoduj\u00ed o tom, kter\u00fd ze syst\u00e9m\u016f Windows Hello a Face ID si vyberete. Ob\u011b technologie poskytuj\u00ed bezpe\u010dn\u00e9 ov\u011b\u0159ov\u00e1n\u00ed, ale Windows Hello je pro u\u017eivatele syst\u00e9mu Windows lep\u0161\u00ed volbou d\u00edky sv\u00e9 p\u0159izp\u016fsobivosti a interoperabilit\u011b. Co je ov\u011b\u0159ov\u00e1n\u00ed syst\u00e9mu Windows a jak funguje? Ov\u011b\u0159ov\u00e1n\u00ed syst\u00e9mu Windows je obecn\u011bj\u0161\u00ed v\u00fdraz, kter\u00fd zahrnuje r\u016fzn\u00e9 techniky pou\u017e\u00edvan\u00e9 k potvrzen\u00ed identity u\u017eivatel\u016f p\u0159i p\u0159\u00edstupu k syst\u00e9mu Windows. Krom\u011b Windows Hello lze jako metodu ov\u011b\u0159ov\u00e1n\u00ed pou\u017e\u00edt k\u00f3d PIN, heslo nebo \u010dipovou kartu. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> P\u0159i pou\u017eit\u00ed ov\u011b\u0159ov\u00e1n\u00ed syst\u00e9mu Windows si u\u017eivatel a ov\u011b\u0159ovac\u00ed server obvykle vym\u011b\u0148uj\u00ed pov\u011b\u0159en\u00ed bezpe\u010dn\u00fdm zp\u016fsobem pomoc\u00ed kryptografick\u00fdch protokol\u016f, jako je Kerberos nebo NTLM. Aby se zabr\u00e1nilo ne\u017e\u00e1douc\u00edmu p\u0159\u00edstupu, zaji\u0161\u0165uj\u00ed tyto protokoly ochranu pov\u011b\u0159en\u00ed u\u017eivatele b\u011bhem postupu ov\u011b\u0159ov\u00e1n\u00ed. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Shrnut\u00ed: <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Pomoc\u00ed biometrick\u00fdch \u00fadaj\u016f nab\u00edz\u00ed syst\u00e9m Windows Hello rychl\u00fd a bezpe\u010dn\u00fd zp\u016fsob ov\u011b\u0159ov\u00e1n\u00ed u\u017eivatel\u016f. Funkce rozpozn\u00e1v\u00e1n\u00ed obli\u010deje v syst\u00e9mu Windows Hello vyu\u017e\u00edv\u00e1 nejmodern\u011bj\u0161\u00ed hardwarov\u00e9 a softwarov\u00e9 mo\u017enosti k p\u0159esn\u00e9mu rozpozn\u00e1n\u00ed a p\u0159i\u0159azen\u00ed charakteristick\u00fdch rys\u016f obli\u010deje osob. Je t\u0159eba m\u00edt k dispozici hardware podporuj\u00edc\u00ed ov\u011b\u0159ov\u00e1n\u00ed Windows Hello a nastaven\u00ed je jednoduch\u00e9. Face ID i Windows Hello poskytuj\u00ed bezpe\u010dn\u00e9 ov\u011b\u0159ov\u00e1n\u00ed, ale to, kter\u00e9 z nich si vyberete, z\u00e1vis\u00ed na va\u0161ich osobn\u00edch preferenc\u00edch a kompatibilit\u011b va\u0161eho za\u0159\u00edzen\u00ed. Na druhou stranu ov\u011b\u0159ov\u00e1n\u00ed Windows zahrnuje dal\u0161\u00ed techniky nad r\u00e1mec Windows Hello, jako jsou k\u00f3dy PIN, hesla a \u010dipov\u00e9 karty, kter\u00e9 zaji\u0161\u0165uj\u00ed bezpe\u010dn\u00fd p\u0159\u00edstup k po\u010d\u00edta\u010d\u016fm se syst\u00e9mem Windows.<\/p><\/div>\n<div class=\"questions\">\n<div class=\"questionstitle\">FAQ<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Jak funguje ov\u011b\u0159ov\u00e1n\u00ed pomoc\u00ed k\u00f3du PIN?<\/div>\n<p> Syst\u00e9m Windows Hello pou\u017e\u00edv\u00e1 ov\u011b\u0159ov\u00e1n\u00ed pomoc\u00ed k\u00f3du PIN jako techniku pro potvrzen\u00ed identity u\u017eivatele. U\u017eivatel\u00e9 jsou p\u0159i konfiguraci syst\u00e9mu Windows Hello vyzv\u00e1ni k vytvo\u0159en\u00ed speci\u00e1ln\u00edho k\u00f3du PIN (Personal Identification Number), kter\u00fd je p\u0159ipojen k jejich za\u0159\u00edzen\u00ed. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> PIN u\u017eivatele je bezpe\u010dn\u011b ulo\u017een v samotn\u00e9m za\u0159\u00edzen\u00ed jako sou\u010d\u00e1st procesu ov\u011b\u0159ov\u00e1n\u00ed PIN. To znamen\u00e1, \u017ee k\u00f3d PIN nen\u00ed \u017e\u00e1dn\u00fdm za\u0159\u00edzen\u00edm sd\u00edlen ani ukl\u00e1d\u00e1n na extern\u00ed servery. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> PIN zad\u00e1v\u00e1 u\u017eivatel v za\u0159\u00edzen\u00ed, aby se pomoc\u00ed n\u011bj ov\u011b\u0159il. K\u00f3d PIN je pot\u00e9 za\u0161ifrov\u00e1n a porovn\u00e1n s d\u0159\u00edve ulo\u017een\u00fdm za\u0161ifrovan\u00fdm k\u00f3dem PIN za\u0159\u00edzen\u00ed. Pokud se zadan\u00fd PIN shoduje s ulo\u017een\u00fdm PIN, je u\u017eivatel \u00fasp\u011b\u0161n\u011b ov\u011b\u0159en a z\u00edsk\u00e1 p\u0159\u00edstup ke sv\u00e9mu za\u0159\u00edzen\u00ed nebo konkr\u00e9tn\u00edm aplikac\u00edm. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee postup ov\u011b\u0159ov\u00e1n\u00ed pomoc\u00ed k\u00f3du PIN je vytvo\u0159en tak, aby byl bezpe\u010dn\u00fd a chr\u00e1nil identitu u\u017eivatele. K\u00f3d PIN nab\u00edz\u00ed z\u00e1kazn\u00edk\u016fm jednoduch\u00fd a bezpe\u010dn\u00fd zp\u016fsob p\u0159\u00edstupu k jejich za\u0159\u00edzen\u00edm a aplikac\u00edm jako alternativu k b\u011b\u017en\u00e9mu zp\u016fsobu ov\u011b\u0159ov\u00e1n\u00ed pomoc\u00ed hesla. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Jak funguje po\u010d\u00edta\u010dov\u00e9 rozpozn\u00e1v\u00e1n\u00ed obli\u010deje?<\/div>\n<p> Po\u010d\u00edta\u010dov\u00e9 rozpozn\u00e1v\u00e1n\u00ed obli\u010deje analyzuje a identifikuje charakteristick\u00e9 rysy obli\u010deje osoby. Postup prob\u00edh\u00e1 v n\u011bkolika kroc\u00edch: Prvn\u00ed f\u00e1z\u00ed je vyhled\u00e1n\u00ed obli\u010deje na obr\u00e1zku nebo sn\u00edmku videa. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> 1. Detekce obli\u010deje. Pomoc\u00ed algoritm\u016f se toho dos\u00e1hne vyhled\u00e1n\u00edm vzor\u016f a tvar\u016f, kter\u00e9 se \u010dasto vyskytuj\u00ed na lidsk\u00e9m obli\u010deji, jako je um\u00edst\u011bn\u00ed o\u010d\u00ed, nosu a \u00fast. 2. Zarovn\u00e1n\u00ed obli\u010deje zahrnuje \u00fapravu um\u00edst\u011bn\u00ed, m\u011b\u0159\u00edtka a nato\u010den\u00ed obli\u010deje do spole\u010dn\u00e9ho referen\u010dn\u00edho r\u00e1mce pot\u00e9, co syst\u00e9m identifikuje obli\u010dej. Aby bylo mo\u017en\u00e9 spr\u00e1vn\u011b um\u00edstit rysy obli\u010deje pro dal\u0161\u00ed v\u00fdzkum, pom\u00e1h\u00e1 to. 3. Extrakce rys\u016f: Ze zarovnan\u00e9ho obrazu obli\u010deje syst\u00e9m d\u00e1le extrahuje rozpoznateln\u00e9 rysy obli\u010deje. P\u0159\u00edkladem t\u011bchto rys\u016f jsou m\u00edry vzd\u00e1lenosti mezi o\u010dima, obrysy obli\u010deje, velikost a tvar nosu a dal\u0161\u00ed charakteristick\u00e9 rysy. 4. K\u00f3dov\u00e1n\u00ed rys\u016f: Je vytvo\u0159en vektor rys\u016f, matematick\u00e1 reprezentace extrahovan\u00fdch rys\u016f obli\u010deje. Pro porovn\u00e1v\u00e1n\u00ed a p\u0159i\u0159azov\u00e1n\u00ed slou\u017e\u00ed tento vektor jako zhu\u0161t\u011bn\u00e9 zobrazen\u00ed charakteristick\u00fdch rys\u016f obli\u010deje. 5. Z\u00e1pis: Syst\u00e9m obvykle vy\u017eaduje po\u010d\u00e1te\u010dn\u00ed registraci, aby bylo mo\u017en\u00e9 rozpozn\u00e1v\u00e1n\u00ed. B\u011bhem tohoto postupu je obli\u010dej osoby vyfotografov\u00e1n a rysy obli\u010deje jsou extrahov\u00e1ny a zak\u00f3dov\u00e1ny tak, aby vytvo\u0159ily \u0161ablonu. Tato \u0161ablona je bezpe\u010dn\u011b uchov\u00e1na a pou\u017e\u00edv\u00e1 se jako vod\u00edtko pro nadch\u00e1zej\u00edc\u00ed autentizaci. Rozpozn\u00e1v\u00e1n\u00ed: V p\u0159\u00edpad\u011b pot\u0159eby autentizace syst\u00e9m po\u0159\u00edd\u00ed dal\u0161\u00ed fotografii obli\u010deje u\u017eivatele, extrahuje rysy jeho obli\u010deje a pot\u00e9 tyto rysy zak\u00f3duje do vektoru rys\u016f. Ulo\u017een\u00e9 \u0161ablony se pak porovnaj\u00ed s t\u00edmto vektorem a zjist\u00ed se, zda se shoduj\u00ed. Osoba je ov\u011b\u0159ena, pokud existuje dostate\u010dn\u00e1 m\u00edra podobnosti mezi zachycen\u00fdm obli\u010dejem a zapsanou \u0161ablonou. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee \u00fa\u010dinnost a p\u0159esnost technologie rozpozn\u00e1v\u00e1n\u00ed obli\u010deje se m\u016f\u017ee li\u0161it v z\u00e1vislosti na prvc\u00edch, jako je osv\u011btlen\u00ed, kol\u00eds\u00e1n\u00ed polohy a kalibr fotografovan\u00fdch fotografi\u00ed. V posledn\u00edch letech sofistikovan\u00e9 metody, jako jsou algoritmy hlubok\u00e9ho u\u010den\u00ed, v\u00fdrazn\u011b zv\u00fd\u0161ily p\u0159esnost po\u010d\u00edta\u010dov\u00fdch syst\u00e9m\u016f rozpozn\u00e1v\u00e1n\u00ed obli\u010dej\u016f.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Co je Windows Hello? Co je Windows Hello? Windows Hello je osobn\u011bj\u0161\u00ed zp\u016fsob, jak se p\u0159ihl\u00e1sit pomoc\u00ed obli\u010deje, otisku prstu nebo PIN k\u00f3du. Windows Hello m\u016f\u017eete pou\u017e\u00edvat k p\u0159ihla\u0161ov\u00e1n\u00ed ke sv\u00e9mu za\u0159\u00edzen\u00ed na zamykac\u00ed obrazovce a k p\u0159ihla\u0161ov\u00e1n\u00ed ke sv\u00e9mu \u00fa\u010dtu na webu. Cached Dal\u0161\u00ed informace najdete na support.microsoft.com P\u0159edstavte se: U\u017eivatel\u00e9 mohou snadno a &#8230; <a title=\"Porozum\u011bn\u00ed tomu, jak v\u00e1s Windows Hello ov\u011b\u0159uje\" class=\"read-more\" href=\"https:\/\/tech-lib.eu\/tech\/porozumeni-tomu-jak-vas-windows-hello-overuje\/\" aria-label=\"\u010c\u00edst v\u00edce o Porozum\u011bn\u00ed tomu, jak v\u00e1s Windows Hello ov\u011b\u0159uje\">\u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":1448,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4236],"tags":[],"class_list":["post-11101","post","type-post","status-publish","format-standard","hentry","category-biometricke-overovani"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/1448"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=11101"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11101\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=11101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=11101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=11101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}