{"id":478572,"date":"2023-08-09T09:34:59","date_gmt":"2023-08-09T09:34:59","guid":{"rendered":""},"modified":"2023-09-05T11:17:06","modified_gmt":"2023-09-05T11:17:06","slug":"public-key-infrastructure","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/public-key-infrastructure\/","title":{"rendered":"A\u00e7\u0131k Anahtar Altyap\u0131s\u0131"},"content":{"rendered":"<p>A\u00e7\u0131k anahtar altyap\u0131s\u0131 hakk\u0131nda k\u0131sa bilgi<\/p>\n<p>Ortak Anahtar Altyap\u0131s\u0131 (PKI), dijital sertifikalar\u0131 olu\u015fturmak, y\u00f6netmek, da\u011f\u0131tmak, kullanmak, depolamak ve iptal etmek ve genel anahtar \u015fifrelemesini y\u00f6netmek i\u00e7in gereken bir dizi rol, politika, donan\u0131m, yaz\u0131l\u0131m ve prosed\u00fcrd\u00fcr. Dijital imzalar arac\u0131l\u0131\u011f\u0131yla g\u00fcvenli ba\u011flant\u0131lar olu\u015fturmak ve veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flamak i\u00e7in bir \u00e7er\u00e7eve g\u00f6revi g\u00f6r\u00fcr.<\/p>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131n\u0131n K\u00f6keni ve \u0130lk S\u00f6z\u00fc<\/h2>\n<p>PKI&#039;n\u0131n temelindeki teknoloji olan a\u00e7\u0131k anahtar \u015fifrelemesi ilk olarak 1970&#039;lerin ba\u015f\u0131nda tan\u0131t\u0131ld\u0131. Whitfield Diffie ve Martin Hellman, 1976&#039;da konuyla ilgili \u00e7\u0131\u011f\u0131r a\u00e7an bir makale yay\u0131nlayarak geli\u015ftirilmesinde etkili oldular. RSA (Rivest-Shamir-Adleman) daha sonra algoritmalar\u0131 pop\u00fcler hale getirerek PKI&#039;n\u0131n dijital ileti\u015fimi g\u00fcvence alt\u0131na almak i\u00e7in kapsaml\u0131 bir sistem olarak ortaya \u00e7\u0131kmas\u0131na yol a\u00e7t\u0131.<\/p>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131 Hakk\u0131nda Detayl\u0131 Bilgi<\/h2>\n<p>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131, e-posta \u015fifrelemesinden e-ticaret i\u015flemlerine kadar \u00e7e\u015fitli dijital etkile\u015fimlerin g\u00fcvenli\u011finde \u00f6nemli bir rol oynamaktad\u0131r. \u0130ki anahtar kullan\u0131r: herkesin bildi\u011fi genel anahtar ve gizli tutulan \u00f6zel anahtar. Bu anahtarlar\u0131n birle\u015fimi, a\u011f \u00fczerinden ileti\u015fim kuran varl\u0131klar\u0131n kimli\u011finin do\u011frulanmas\u0131na ve g\u00fcven olu\u015fturulmas\u0131na olanak tan\u0131r.<\/p>\n<h3>PKI&#039;n\u0131n bile\u015fenleri:<\/h3>\n<ul>\n<li><strong>Sertifika Yetkilileri (CA&#039;lar):<\/strong> Dijital sertifikalar\u0131 yay\u0131nlar ve y\u00f6netirler.<\/li>\n<li><strong>Kay\u0131t Yetkilileri (RA&#039;lar):<\/strong> Dijital sertifika isteklerini do\u011frular ve onaylarlar.<\/li>\n<li><strong>Son Kullan\u0131c\u0131 Aboneleri:<\/strong> Sertifikalar\u0131 kullanan ki\u015filer veya sistemler.<\/li>\n<li><strong>Do\u011frulama Sunucular\u0131:<\/strong> Dijital sertifikalar\u0131n orijinalli\u011fini do\u011frularlar.<\/li>\n<\/ul>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131n\u0131n \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<p>PKI, Sertifika Yetkilisinin en \u00fcstte yer ald\u0131\u011f\u0131, dijital sertifikalar\u0131 y\u00f6netip di\u011fer kurulu\u015flara da\u011f\u0131tt\u0131\u011f\u0131 hiyerar\u015fik bir model \u00fczerine kurulmu\u015ftur. A\u015fa\u011f\u0131da ayr\u0131nt\u0131l\u0131 bir genel bak\u0131\u015f yer almaktad\u0131r:<\/p>\n<ol>\n<li><strong>K\u00f6k CA:<\/strong> Bu, kendi sertifikalar\u0131n\u0131 imzalayan en \u00fcst otoritedir.<\/li>\n<li><strong>Orta d\u00fczey CA:<\/strong> Bunlar arac\u0131 olarak hareket ederek K\u00f6k CA&#039;dan sertifikalar al\u0131r ve bunlar\u0131 son varl\u0131klara verir.<\/li>\n<li><strong>Son Varl\u0131klar:<\/strong> G\u00fcvenli ileti\u015fim i\u00e7in sertifikalar\u0131 kullanan ki\u015filer veya sistemler.<\/li>\n<\/ol>\n<p>\u00d6zel anahtarlar g\u00fcvenli bir \u015fekilde saklan\u0131r ve asla iletilmez, b\u00f6ylece bilgilerin b\u00fct\u00fcnl\u00fc\u011f\u00fc ve gizlili\u011fi sa\u011flan\u0131r.<\/p>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131n\u0131n Temel \u00d6zelliklerinin Analizi<\/h2>\n<p>PKI&#039;n\u0131n temel \u00f6zellikleri \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><strong>Kimlik do\u011frulama:<\/strong> \u0130leti\u015fim kuran taraflar\u0131n kimli\u011fini do\u011frular.<\/li>\n<li><strong>B\u00fct\u00fcnl\u00fck:<\/strong> Verilerin de\u011fi\u015ftirilmedi\u011finden emin olun.<\/li>\n<li><strong>Gizlilik:<\/strong> Verileri gizli tutmak i\u00e7in \u015fifreler.<\/li>\n<li><strong>\u0130nkar edilemezlik:<\/strong> Kurulu\u015flar\u0131n bir i\u015fleme dahil olduklar\u0131n\u0131 inkar etmelerini \u00f6nler.<\/li>\n<li><strong>\u00d6l\u00e7eklenebilirlik:<\/strong> Daha fazla kullan\u0131c\u0131 veya sistemi i\u00e7erecek \u015fekilde geni\u015fletilebilir.<\/li>\n<\/ul>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131 T\u00fcrleri<\/h2>\n<p>\u00d6ncelikle iki t\u00fcr PKI vard\u0131r:<\/p>\n<ol>\n<li><strong>Kamu PKI&#039;s\u0131:<\/strong> Herkese a\u00e7\u0131k ve herkese a\u00e7\u0131k, g\u00fcvenilir bir CA taraf\u0131ndan y\u00f6netilir.<\/li>\n<li><strong>\u00d6zel PKI:<\/strong> Bir kurulu\u015f i\u00e7inde y\u00f6netilir ve dahili ama\u00e7larla kullan\u0131l\u0131r.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>Tip<\/th>\n<th>Kamu PKI&#039;s\u0131<\/th>\n<th>\u00d6zel PKI<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ula\u015f\u0131labilirlik<\/td>\n<td>Herkese a\u00e7\u0131k<\/td>\n<td>S\u0131n\u0131rl\u0131<\/td>\n<\/tr>\n<tr>\n<td>Kullan\u0131m \u00d6rne\u011fi<\/td>\n<td>internet<\/td>\n<td>intranet<\/td>\n<\/tr>\n<tr>\n<td>G\u00fcven seviyesi<\/td>\n<td>Yayg\u0131n g\u00fcven<\/td>\n<td>\u0130\u00e7 g\u00fcven<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131n\u0131 Kullanma Yollar\u0131, Sorunlar\u0131 ve \u00c7\u00f6z\u00fcmleri<\/h2>\n<h3>Kullan\u0131m Yollar\u0131:<\/h3>\n<ul>\n<li><strong>G\u00fcvenli E-posta \u0130leti\u015fimi<\/strong><\/li>\n<li><strong>Dijital imzalar<\/strong><\/li>\n<li><strong>G\u00fcvenli Web Taramas\u0131<\/strong><\/li>\n<\/ul>\n<h3>Sorunlar:<\/h3>\n<ul>\n<li><strong>Anahtar y\u00f6netimi:<\/strong> Y\u00f6netilmesi zor.<\/li>\n<li><strong>Maliyet:<\/strong> Y\u00fcksek ilk kurulum maliyeti.<\/li>\n<li><strong>Karma\u015f\u0131kl\u0131k:<\/strong> Uygulanmas\u0131 uzmanl\u0131k gerektirir.<\/li>\n<\/ul>\n<h3>\u00c7\u00f6z\u00fcmler:<\/h3>\n<ul>\n<li><strong>Y\u00f6netilen PKI Hizmetleri:<\/strong> Y\u00f6netimin profesyonellere devredilmesi.<\/li>\n<li><strong>Otomatik Ara\u00e7lar:<\/strong> Anahtar y\u00f6netim s\u00fcrecini kolayla\u015ft\u0131rmak i\u00e7in.<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Benzer Terimlerle Di\u011fer Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>Terim<\/th>\n<th>PKI<\/th>\n<th>SSL\/TLS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kimlik do\u011frulama<\/td>\n<td>\u0130ki y\u00f6nl\u00fc<\/td>\n<td>\u00c7o\u011funlukla tek y\u00f6nl\u00fc<\/td>\n<\/tr>\n<tr>\n<td>\u015eifreleme Anahtarlar\u0131<\/td>\n<td>Genel ve \u00f6zel anahtarlar<\/td>\n<td>Simetrik anahtarlar<\/td>\n<\/tr>\n<tr>\n<td>Kullanmak<\/td>\n<td>\u00c7e\u015fitli (E-posta, VPN vb.)<\/td>\n<td>\u00d6ncelikle web taray\u0131c\u0131lar\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131na \u0130li\u015fkin Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<p>Quantum Computing gibi yeni ortaya \u00e7\u0131kan teknolojiler, algoritmalar ve sistemlerde yenilik gerektiren PKI&#039;ya yeni zorluklar getiriyor. Blockchain merkezi olmayan g\u00fcven modelleri sunabilirken Yapay Zeka bir\u00e7ok PKI s\u00fcrecini otomatikle\u015ftirebilir.<\/p>\n<h2>Proxy Sunucular Nas\u0131l Kullan\u0131labilir veya Ortak Anahtar Altyap\u0131s\u0131yla Nas\u0131l \u0130li\u015fkilendirilebilir?<\/h2>\n<p>OneProxy taraf\u0131ndan sa\u011flananlar gibi proxy sunucular\u0131, ek bir g\u00fcvenlik ve gizlilik katman\u0131 eklemek i\u00e7in PKI&#039;dan yararlanabilir. Proxy sunucular\u0131, dijital sertifikalar\u0131 kullanarak istemciler ve sunucular aras\u0131ndaki ileti\u015fimleri do\u011frulayabilir ve \u015fifreleyebilir, b\u00f6ylece veri gizlili\u011fini ve b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc garanti alt\u0131na alabilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.openssl.org\/\" target=\"_new\" rel=\"noopener nofollow\">OpenSSL Projesi<\/a><\/li>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/pkix\/about\/\" target=\"_new\" rel=\"noopener nofollow\">IETF PKI \u00c7al\u0131\u015fma Grubu<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/tr\/\" target=\"_new\" rel=\"noopener\">OneProxy Hizmetleri<\/a><\/li>\n<\/ul>\n<p>A\u00e7\u0131k Anahtar Altyap\u0131s\u0131n\u0131n anla\u015f\u0131lmas\u0131 ve uygulanmas\u0131, g\u00fcn\u00fcm\u00fcz\u00fcn birbirine ba\u011fl\u0131 d\u00fcnyas\u0131nda dijital g\u00fcvenlik i\u00e7in hayati \u00f6neme sahiptir. Do\u011fru kullan\u0131m\u0131, hem bireysel hem de kurumsal g\u00fcvenlik ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131layan g\u00fcvenli ve g\u00fcvenilir ileti\u015fim sa\u011flar.<\/p>","protected":false},"featured_media":478573,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478572","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Public Key Infrastructure (PKI)<\/mark>","faq_items":[{"question":"What is Public Key Infrastructure (PKI)?","answer":"<p>Public Key Infrastructure (PKI) is a framework that includes roles, policies, hardware, software, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. It manages public-key encryption and ensures secure connections and data integrity.<\/p>"},{"question":"Who were the pioneers in the development of Public Key Infrastructure?","answer":"<p>Whitfield Diffie and Martin Hellman were instrumental in the development of public key cryptography in the early 1970s. RSA then popularized the algorithms, leading to the emergence of PKI.<\/p>"},{"question":"What are the main components of Public Key Infrastructure?","answer":"<p>The main components of PKI include Certificate Authorities (CAs), Registration Authorities (RAs), End-User Subscribers, and Validation Servers. CAs issue and manage digital certificates, RAs verify requests for certificates, and End-User Subscribers use the certificates.<\/p>"},{"question":"How does Public Key Infrastructure work?","answer":"<p>PKI uses a combination of public and private keys to establish trust and verify the identity of entities communicating over a network. The hierarchical structure consists of the Root CA at the top, Intermediate CAs, and End Entities, ensuring integrity and confidentiality.<\/p>"},{"question":"What are the key features of Public Key Infrastructure?","answer":"<p>The key features of PKI include authentication, integrity, confidentiality, non-repudiation, and scalability. These features help in verifying identity, ensuring data integrity, encrypting data, and expanding to include more users.<\/p>"},{"question":"What are the types of Public Key Infrastructure?","answer":"<p>There are two main types of PKI: Public PKI, which is managed by a publicly trusted CA and open to everyone, and Private PKI, which is managed within an organization and used for internal purposes.<\/p>"},{"question":"What are the common problems with Public Key Infrastructure, and how can they be solved?","answer":"<p>Common problems with PKI include difficulties with key management, high initial setup cost, and complexity in implementation. Solutions can include Managed PKI Services, outsourcing to professionals, and using automated tools to ease key management.<\/p>"},{"question":"How are proxy servers like OneProxy associated with Public Key Infrastructure?","answer":"<p>Proxy servers like OneProxy can utilize PKI to authenticate and encrypt communications between clients and servers. This adds an additional layer of security and privacy, ensuring data privacy and integrity.<\/p>"},{"question":"What are the future perspectives and technologies related to Public Key Infrastructure?","answer":"<p>Emerging technologies like Quantum Computing, Blockchain, and Artificial Intelligence pose new challenges and opportunities for PKI. Quantum Computing requires innovation in algorithms, while Blockchain may offer decentralized trust models, and AI can automate many PKI processes.<\/p>"},{"question":"Where can I find more information about Public Key Infrastructure?","answer":"<p>You can find more detailed information about Public Key Infrastructure by visiting resources like the <a href=\"https:\/\/www.openssl.org\/\" target=\"_new\">OpenSSL Project<\/a>, the <a href=\"https:\/\/datatracker.ietf.org\/wg\/pkix\/about\/\" target=\"_new\">IETF PKI Working Group<\/a>, and <a href=\"https:\/\/oneproxy.pro\" target=\"_new\">OneProxy Services<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478572\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/478573"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=478572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}