{"id":5228,"date":"2015-10-28T07:02:08","date_gmt":"2015-10-28T05:02:08","guid":{"rendered":"https:\/\/ihs.com.tr\/blog\/?p=5228"},"modified":"2021-03-24T16:14:47","modified_gmt":"2021-03-24T14:14:47","slug":"ssl-sertifikasi-kullananlar-dikkat-sha1-gecersiz-kalacak","status":"publish","type":"post","link":"https:\/\/www.ihs.com.tr\/blog\/ssl-sertifikasi-kullananlar-dikkat-sha1-gecersiz-kalacak\/","title":{"rendered":"SSL Sertifikas\u0131 Kullananlar Dikkat! SHA1 Ge\u00e7ersiz Kalacak"},"content":{"rendered":"

SHA1 sertifikalar\u0131n\u0131n g\u00fcveli\u011fini<\/strong> k\u0131rman\u0131n maliyetinin d\u00fc\u015ft\u00fc\u011f\u00fcne ili\u015fkin raporlar\u0131n ard\u0131ndan, Mozilla SHA1-tabanl\u0131 sertifikalar\u0131n\u0131 reddetmeyi<\/strong> planlanan tarihten 6 ay \u00f6ncesine<\/strong> \u00e7ekmeyi de\u011ferlendiriyor.<\/span><\/p>\n

Ara\u015ft\u0131rmac\u0131lar 2005 y\u0131l\u0131ndan itibaren SHA1 tipindeki sertifikalardaki problemleri ve zaaflar\u0131 buluyorlar. Genel kan\u0131 da art\u0131k yava\u015f yava\u015f bu algoritmadan uzakla\u015fmak, art\u0131k kullanmamak y\u00f6n\u00fcnde<\/strong>. Ancak daha g\u00fcvenli alternatife h\u0131zl\u0131 bir ge\u00e7i\u015f yapmak, internet eri\u015fimlerinde ciddi problemler yaratabilece\u011fi i\u00e7in, Microsoft, Google ve Mozilla gibi b\u00fcy\u00fck taray\u0131c\u0131lar SHA1 sertifikalar\u0131n\u0131 1 Ocak 2017’den itibaren ge\u00e7ersiz k\u0131lmay\u0131 hedefliyor.<\/strong><\/span><\/p>\n

Sal\u0131 g\u00fcn\u00fc yay\u0131nlanan bir blog yaz\u0131s\u0131nda Mozilla Firefox 38 ile birlikte geli\u015ftiricilere Web console \u00fczerinden SHA1 veya daha eski algoritmalarla imzalanm\u0131\u015f sertifikalara g\u00fcvenmemelerini<\/strong> y\u00f6n\u00fcnde bir uyar\u0131 yay\u0131nland\u0131\u011f\u0131n\u0131 a\u00e7\u0131klad\u0131.<\/span><\/p>\n

\"ssl-Logo\"<\/a><\/span><\/p>\n

Aral\u0131k 2015’te yay\u0131nlanmas\u0131 planlanan Firefox 43 ile de Ocak 2016 tarihinden itibaren SHA1 sertifikas\u0131 kullan\u0131ld\u0131\u011f\u0131nda “G\u00fcvenilir olmayan ba\u011flant\u0131” mesaj\u0131n\u0131 g\u00f6sterecek.<\/strong><\/span><\/p>\n

Mevcut plan ise 1 Ocak 2017’den itibaren t\u00fcm SHA1 SSL sertifikalar\u0131n\u0131 reddetmeye ba\u015flayacak olan Mozilla, ara\u015ft\u0131rmac\u0131lar\u0131n SHA1 sertifikalar\u0131n\u0131 k\u0131rman\u0131n daha da kolayla\u015ft\u0131\u011f\u0131n\u0131 g\u00f6stermelerinin ard\u0131ndan bu tarihi 1 Temmuz 2016’ya \u00e7ekmeye haz\u0131rlan\u0131yor.<\/strong><\/span><\/p>\n

2012’de kriptografi uzmanlar\u0131n\u0131n tahminine g\u00f6re SHA1 ile \u015fifrelenmi\u015f bir sertifikay\u0131 k\u0131rmak 2015’te $700.000, 2018’de ise $173.000 olarak tahmin ediliyordu.<\/strong> Ancak yeni bir teknik ve daha g\u00fc\u00e7l\u00fc donan\u0131mlar ile \u015fu anda bunun maliyeti $75.000-$120.000 aras\u0131na kadar inmi\u015f durumda, ve h\u0131zla d\u00fc\u015f\u00fcyor.<\/strong><\/span><\/p>\n

Netcraft taraf\u0131ndan yap\u0131lan bir ara\u015ft\u0131rmada ise d\u00fcnyada SHA1 hash algoritmas\u0131 ile \u015fifrelenen 1 milyondan fazla SSL sertifikas\u0131<\/a> oldu\u011fu s\u00f6yleniyor.<\/strong><\/span><\/p>\n

SSL Sertifikan\u0131z\u0131 IHS Telekom<\/a> taraf\u0131ndan sat\u0131n ald\u0131ysan\u0131z endi\u015felenmenize gerek yok SHA2 ge\u00e7i\u015finiz h\u0131zl\u0131 ve kolayca ger\u00e7ekle\u015febiliyor bunun i\u00e7in sadece destek talebi olu\u015fturman\u0131z yeterli.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

SHA1 sertifikalar\u0131n\u0131n g\u00fcveli\u011fini k\u0131rman\u0131n maliyetinin d\u00fc\u015ft\u00fc\u011f\u00fcne ili\u015fkin raporlar\u0131n ard\u0131ndan, Mozilla SHA1-tabanl\u0131 sertifikalar\u0131n\u0131 reddetmeyi planlanan tarihten 6 ay \u00f6ncesine \u00e7ekmeyi de\u011ferlendiriyor. Ara\u015ft\u0131rmac\u0131lar 2005…<\/p>\n","protected":false},"author":3,"featured_media":5229,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,400],"tags":[],"class_list":["post-5228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-haberler","category-ssl-sertifikasi"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/5228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=5228"}],"version-history":[{"count":7,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/5228\/revisions"}],"predecessor-version":[{"id":13887,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/5228\/revisions\/13887"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media\/5229"}],"wp:attachment":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=5228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=5228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=5228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}