{"id":11964,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/rucni-sifrovani-e-mailu-a-step-by-step-guide-to-securing-your-messages\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"rucni-sifrovani-e-mailu-a-step-by-step-guide-to-securing-your-messages","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/rucni-sifrovani-e-mailu-a-step-by-step-guide-to-securing-your-messages\/","title":{"rendered":"Ru\u010dn\u00ed \u0161ifrov\u00e1n\u00ed e-mailu. A Step-by-Step Guide to Securing Your Messages"},"content":{"rendered":"
\n
Jak nastavit pozd\u011bj\u0161\u00ed odesl\u00e1n\u00ed emailu?<\/div>\n
Pozdr\u017een\u00ed doru\u010den\u00ed zpr\u00e1vy<\/p>\n
    \n
  1. P\u0159i psan\u00ed zpr\u00e1vy vyberte \u0161ipku Dal\u0161\u00ed mo\u017enosti ve skupin\u011b Zna\u010dky na p\u00e1su karet. … <\/li>\n
  2. V \u010d\u00e1sti Mo\u017enosti doru\u010den\u00ed za\u0161krtn\u011bte pol\u00ed\u010dko Nedoru\u010dovat p\u0159ed a pak zvolte po\u017eadovan\u00e9 datum a \u010das doru\u010den\u00ed.<\/li>\n
  3. Klikn\u011bte na tla\u010d\u00edtko Zav\u0159\u00edt.<\/li>\n
  4. A\u017e e-mailovou zpr\u00e1vu dokon\u010d\u00edte, vyberte Odeslat.<\/li>\n<\/ol>\n<\/div>\n
    \n\t\t\t\t\t Dal\u0161\u00ed informace najdete na<\/span> support.microsoft.com<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n
    \n
    <\/div>\n

    V modern\u00edm digit\u00e1ln\u00edm sv\u011bt\u011b, kde jsou soukrom\u00ed a bezpe\u010dnost dat \u017eivotn\u011b d\u016fle\u017eit\u00e9, je t\u0159eba p\u0159i odes\u00edl\u00e1n\u00ed e-mail\u016f chr\u00e1nit citliv\u00e9 informace. \u0160ifrov\u00e1n\u00ed e-mail\u016f je jedn\u00edm z praktick\u00fdch p\u0159\u00edstup\u016f, jak toho dos\u00e1hnout. \u0160ifrov\u00e1n\u00ed chr\u00e1n\u00ed va\u0161i zpr\u00e1vu p\u0159ed zv\u011bdav\u00fdma o\u010dima t\u00edm, \u017ee zajist\u00ed, aby k jej\u00edmu obsahu m\u011bl p\u0159\u00edstup a mohl jej interpretovat pouze zam\u00fd\u0161len\u00fd p\u0159\u00edjemce. V tomto p\u0159\u00edsp\u011bvku se pod\u00edv\u00e1me na to, jak ru\u010dn\u011b za\u0161ifrovat e-maily p\u0159ed jejich odesl\u00e1n\u00edm, na nejobl\u00edben\u011bj\u0161\u00ed techniky \u0161ifrov\u00e1n\u00ed e-mail\u016f, jak to prov\u00e9st v aplikaci Gmail, pro\u010d je d\u016fle\u017eit\u00e9 myslet na \u0161ifrov\u00e1n\u00ed a jak odes\u00edlat e-maily v \u0161ifrovan\u00e9m re\u017eimu. <\/p>\n

    Jak\u00fd zp\u016fsob \u0161ifrov\u00e1n\u00ed e-mail\u016f je nejobl\u00edben\u011bj\u0161\u00ed? <\/div>\n

    Pretty Good Privacy (PGP) je n\u00e1zev p\u0159\u00edstupu k \u0161ifrov\u00e1n\u00ed e-mail\u016f, kter\u00fd se pou\u017e\u00edv\u00e1 nej\u010dast\u011bji. PGP je program, kter\u00fd \u0161ifruje data a nab\u00edz\u00ed kryptografick\u00e9 soukrom\u00ed a ov\u011b\u0159ov\u00e1n\u00ed. Obsah e-mailu je chr\u00e1n\u011bn pomoc\u00ed kombinace \u0161ifrov\u00e1n\u00ed symetrick\u00fdm a asymetrick\u00fdm kl\u00ed\u010dem. V programu PGP odes\u00edlatel za\u0161ifruje zpr\u00e1vu pomoc\u00ed ve\u0159ejn\u00e9ho kl\u00ed\u010de p\u0159\u00edjemce a p\u0159\u00edjemce ji de\u0161ifruje pomoc\u00ed sv\u00e9ho soukrom\u00e9ho kl\u00ed\u010de. T\u00edm je zaji\u0161t\u011bno, \u017ee e-mail m\u016f\u017ee zobrazit pouze zam\u00fd\u0161len\u00fd p\u0159\u00edjemce a osoba, kter\u00e1 je dr\u017eitelem soukrom\u00e9ho kl\u00ed\u010de. <\/p>\n

    Jak v aplikaci Gmail za\u0161ifrovat e-mail? <\/div>\n

    Slu\u017eba Gmail vyu\u017e\u00edv\u00e1 standard \u0161ifrov\u00e1n\u00ed PGP a nab\u00edz\u00ed jednoduch\u00fd zp\u016fsob \u0161ifrov\u00e1n\u00ed e-mail\u016f. K \u0161ifrov\u00e1n\u00ed e-mail\u016f odes\u00edlan\u00fdch prost\u0159ednictv\u00edm slu\u017eby Gmail pou\u017eijte roz\u0161\u00ed\u0159en\u00ed nebo dopln\u011bk prohl\u00ed\u017ee\u010de, kter\u00fd podporuje \u0161ifrov\u00e1n\u00ed PGP, nap\u0159\u00edklad Mailvelope nebo FlowCrypt. D\u00edky bezchybn\u00e9 integraci t\u011bchto roz\u0161\u00ed\u0159en\u00ed s \u00fa\u010dtem Gmail m\u016f\u017eete e-maily \u0161ifrovat a de\u0161ifrovat p\u0159\u00edmo v rozhran\u00ed Gmailu. <\/p>\n

    <\/div>\n

    Po instalaci \u0161ifrovac\u00edho roz\u0161\u00ed\u0159en\u00ed mus\u00edte vytvo\u0159it sadu \u0161ifrovac\u00edch kl\u00ed\u010d\u016f, ve\u0159ejn\u00fd a soukrom\u00fd kl\u00ed\u010d. Zat\u00edmco soukrom\u00fd kl\u00ed\u010d je bezpe\u010dn\u011b ulo\u017een ve va\u0161em za\u0159\u00edzen\u00ed a slou\u017e\u00ed k de\u0161ifrov\u00e1n\u00ed p\u0159\u00edchoz\u00ed komunikace, ve\u0159ejn\u00fd kl\u00ed\u010d je distribuov\u00e1n ostatn\u00edm, aby mohli \u0161ifrovat zpr\u00e1vy zaslan\u00e9 v\u00e1m. <\/p>\n

    <\/div>\n

    Jakmile dokon\u010d\u00edte psan\u00ed e-mailu jako obvykle v aplikaci Gmail, klikn\u011bte na ikonu \u0161ifrov\u00e1n\u00ed, kterou roz\u0161\u00ed\u0159en\u00ed poskytuje, a bezpe\u010dn\u011b jej ode\u0161lete. T\u00edm bude e-mail za\u0161ifrov\u00e1n ve\u0159ejn\u00fdm kl\u00ed\u010dem p\u0159\u00edjemce, \u010d\u00edm\u017e bude zaji\u0161t\u011bno, \u017ee jej bude moci de\u0161ifrovat a p\u0159e\u010d\u00edst pouze on. Chcete-li poskytnout ov\u011b\u0159en\u00ed a potvrdit integritu e-mailu, m\u016f\u017eete se alternativn\u011b rozhodnout podepsat jej pomoc\u00ed vlastn\u00edho soukrom\u00e9ho kl\u00ed\u010de. <\/p>\n

    M\u011blo by se p\u0159ed odesl\u00e1n\u00edm e-mailu br\u00e1t v \u00favahu jeho \u0161ifrov\u00e1n\u00ed? <\/div>\n

    Rozhodn\u011b! P\u0159ed odesl\u00e1n\u00edm jak\u00e9hokoli citliv\u00e9ho nebo tajn\u00e9ho materi\u00e1lu e-mailem je t\u0159eba \u0161ifrov\u00e1n\u00ed pe\u010dliv\u011b zkontrolovat. E-maily jsou n\u00e1chyln\u00e9 k hackersk\u00fdm \u00fatok\u016fm a zachycen\u00ed, co\u017e z nich \u010din\u00ed hlavn\u00ed c\u00edl internetov\u00fdch zlod\u011bj\u016f. \u0160ifrov\u00e1n\u00edm e-mail\u016f zv\u00fd\u0161\u00edte jejich \u00farove\u0148 zabezpe\u010den\u00ed a zajist\u00edte, \u017ee i v p\u0159\u00edpad\u011b jejich zachycen\u00ed z\u016fstane jejich obsah nep\u0159\u00edstupn\u00fd komukoli, kdo nem\u00e1 pot\u0159ebn\u00e9 \u0161ifrovac\u00ed kl\u00ed\u010de. <\/p>\n

    <\/div>\n

    Citliv\u00e9 \u00fadaje, v\u010detn\u011b bankovn\u00edch informac\u00ed, k\u00f3d\u016f PIN, hesel a dal\u0161\u00edch tajn\u00fdch informac\u00ed, by m\u011bly b\u00fdt p\u0159ed odesl\u00e1n\u00edm v\u017edy za\u0161ifrov\u00e1ny. T\u00edm zajist\u00edte nejen soukrom\u00ed p\u0159\u00edjemc\u016f, ale i sv\u00e9 vlastn\u00ed. <\/p>\n

    Nejlep\u0161\u00ed zp\u016fsob, jak odeslat e-mail v \u0161ifrovan\u00e9m re\u017eimu, je n\u00e1sleduj\u00edc\u00ed. <\/div>\n

    Abyste mohli odeslat e-mail v \u0161ifrovan\u00e9m re\u017eimu, mus\u00edte se ujistit, \u017ee vy i p\u0159\u00edjemce m\u00e1te pot\u0159ebn\u00e9 \u0161ifrovac\u00ed kl\u00ed\u010de. Nejprve si mus\u00edte s p\u0159\u00edjemcem vym\u011bnit ve\u0159ejn\u00e9 kl\u00ed\u010de, a\u0165 u\u017e pou\u017e\u00edv\u00e1te PGP nebo jinou \u0161ifrovac\u00ed metodu. To m\u016f\u017eete prov\u00e9st tak, \u017ee mu poskytnete p\u0159\u00edstup ke sv\u00e9mu ve\u0159ejn\u00e9mu kl\u00ed\u010di prost\u0159ednictv\u00edm zabezpe\u010den\u00e9ho kan\u00e1lu, nap\u0159\u00edklad d\u016fv\u011bryhodn\u00e9 slu\u017eby zas\u00edl\u00e1n\u00ed zpr\u00e1v nebo osobn\u011b. <\/p>\n

    <\/div>\n

    Jakmile maj\u00ed v\u0161ichni navz\u00e1jem p\u0159\u00edstup ke sv\u00fdm ve\u0159ejn\u00fdm kl\u00ed\u010d\u016fm, m\u016f\u017eete za\u010d\u00edt ps\u00e1t e-mail. E-mail za\u0161ifrujte pomoc\u00ed \u0161ifrovac\u00edho programu nebo dopl\u0148ku prohl\u00ed\u017ee\u010de s pou\u017eit\u00edm ve\u0159ejn\u00e9ho kl\u00ed\u010de p\u0159\u00edjemce. T\u00edm se zpr\u00e1va zm\u011bn\u00ed na nesrozumiteln\u00fd form\u00e1t, kter\u00fd lze dek\u00f3dovat pouze pomoc\u00ed p\u0159\u00edslu\u0161n\u00e9ho soukrom\u00e9ho kl\u00ed\u010de p\u0159\u00edjemce. E-mail ode\u0161lete jako obvykle a p\u0159\u00edjemce jej m\u016f\u017ee pomoc\u00ed sv\u00e9ho soukrom\u00e9ho kl\u00ed\u010de de\u0161ifrovat a zpr\u00e1vu si p\u0159e\u010d\u00edst. <\/p>\n

    <\/div>\n

    A kone\u010dn\u011b, ru\u010dn\u00ed \u0161ifrov\u00e1n\u00ed e-mail\u016f p\u0159ed jejich odesl\u00e1n\u00edm p\u0159id\u00e1v\u00e1 va\u0161\u00ed komunikaci d\u016fle\u017eitou vrstvu ochrany. Pou\u017eit\u00edm \u0161ifrovac\u00edch technik, jako je PGP, a vyu\u017eit\u00edm \u0161ifrovac\u00edch roz\u0161\u00ed\u0159en\u00ed v e-mailov\u00fdch syst\u00e9mech, jako je Gmail, m\u016f\u017eete zajistit, \u017ee va\u0161e d\u016fle\u017eit\u00e9 informace z\u016fstanou soukrom\u00e9 a chr\u00e1n\u011bn\u00e9 p\u0159ed neopr\u00e1vn\u011bn\u00fdm p\u0159\u00edstupem. V\u017edy myslete na \u0161ifrov\u00e1n\u00ed e-mail\u016f s d\u016fle\u017eit\u00fdmi informacemi, proto\u017ee chr\u00e1n\u00ed va\u0161e soukrom\u00ed a udr\u017euje integritu va\u0161\u00ed korespondence.<\/p><\/div>\n

    \n
    FAQ<\/div>\n
    \n
    M\u016f\u017eete p\u0159eposlat e-mail a za\u0161ifrovat ho?<\/div>\n

    Ano, e-mail m\u016f\u017eete za\u0161ifrovat a p\u0159eposlat. Obvykle m\u016f\u017eete k de\u0161ifrov\u00e1n\u00ed p\u0159ijat\u00e9ho \u0161ifrovan\u00e9ho e-mailu pou\u017e\u00edt sv\u016fj soukrom\u00fd kl\u00ed\u010d, abyste si mohli p\u0159e\u010d\u00edst jeho obsah. Obvykle m\u016f\u017eete e-mail p\u0159eposlat a z\u00e1rove\u0148 jej zachovat za\u0161ifrovan\u00fd proveden\u00edm n\u00e1sleduj\u00edc\u00edch \u00fakon\u016f: 1. e-mail de\u0161ifrujte: K de\u0161ifrov\u00e1n\u00ed e-mailu a zobrazen\u00ed jeho obsahu pou\u017eijte sv\u016fj soukrom\u00fd kl\u00ed\u010d nebo vhodnou de\u0161ifrovac\u00ed techniku. 2. Zkop\u00edrujte e-mail, kter\u00fd byl de\u0161ifrov\u00e1n: Zvolte, zda chcete p\u0159eposlat cel\u00fd de\u0161ifrovan\u00fd e-mail, nebo pouze ur\u010ditou \u010d\u00e1st. Vytvo\u0159it nov\u00fd e-mail: <\/p>\n

    <\/div>\n

    3. Spus\u0165te novou zpr\u00e1vu ve sv\u00e9m e-mailov\u00e9m klientovi nebo slu\u017eb\u011b tak, \u017ee ji otev\u0159ete. 4. Vlo\u017ete e-mail, kter\u00fd byl de\u0161ifrov\u00e1n: Vlo\u017ete obsah de\u0161ifrovan\u00e9ho e-mailu, kter\u00fd jste zkop\u00edrovali v kroku 2, do t\u011bla nov\u00e9ho e-mailu. 5. Za\u0161ifrujte nov\u00fd e-mail: Zkontrolujte dostupn\u00e9 mo\u017enosti \u0161ifrov\u00e1n\u00ed va\u0161eho e-mailov\u00e9ho klienta nebo slu\u017eby. Obvykle jsou tyto volby k dispozici p\u0159i zah\u00e1jen\u00ed nov\u00e9 zpr\u00e1vy. Chcete-li m\u00edt jistotu, \u017ee je nov\u00fd e-mail bezpe\u010dn\u00fd, povolte \u0161ifrov\u00e1n\u00ed. P\u0159idejte e-mailov\u00e9 adresy zam\u00fd\u0161len\u00fdch p\u0159\u00edjemc\u016f, p\u0159edm\u011bt a jak\u00e9koli dal\u0161\u00ed informace, kter\u00e9 chcete uv\u00e9st. 6. P\u0159idejte p\u0159\u00edjemce a ode\u0161lete. A\u017e budete p\u0159ipraveni, stiskn\u011bte tla\u010d\u00edtko odeslat. <\/p>\n

    <\/div>\n

    Tyto metody v\u00e1m umo\u017en\u00ed p\u0159eposlat e-mail a z\u00e1rove\u0148 zachovat jeho \u0161ifrov\u00e1n\u00ed, co\u017e zaru\u010d\u00ed, \u017ee si jeho obsah budou moci prohl\u00e9dnout pouze ur\u010den\u00ed p\u0159\u00edjemci.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    Jak nastavit pozd\u011bj\u0161\u00ed odesl\u00e1n\u00ed emailu? Pozdr\u017een\u00ed doru\u010den\u00ed zpr\u00e1vy P\u0159i psan\u00ed zpr\u00e1vy vyberte \u0161ipku Dal\u0161\u00ed mo\u017enosti ve skupin\u011b Zna\u010dky na p\u00e1su karet. … V \u010d\u00e1sti Mo\u017enosti doru\u010den\u00ed za\u0161krtn\u011bte pol\u00ed\u010dko Nedoru\u010dovat p\u0159ed a pak zvolte po\u017eadovan\u00e9 datum a \u010das doru\u010den\u00ed. Klikn\u011bte na tla\u010d\u00edtko Zav\u0159\u00edt. A\u017e e-mailovou zpr\u00e1vu dokon\u010d\u00edte, vyberte Odeslat. Dal\u0161\u00ed informace najdete na support.microsoft.com V modern\u00edm … \u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":3860,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[584],"tags":[],"class_list":["post-11964","post","type-post","status-publish","format-standard","hentry","category-kyberneticka-bezpecnost"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11964","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\/3860"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=11964"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11964\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=11964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=11964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=11964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}