{"id":476501,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:53","modified_gmt":"2023-09-05T11:12:53","slug":"cryptography","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/cryptography\/","title":{"rendered":"Kriptografi"},"content":{"rendered":"<h2>girii\u015f<\/h2>\n<p>Gizli yazma sanat\u0131 olan kriptografi, tarih boyunca hassas bilgilerin g\u00fcvenli\u011finde \u00f6nemli rol oynayan temel bir uygulamad\u0131r. Antik \u00e7a\u011flardan dijital \u00e7a\u011fa kadar kriptografi, modern teknolojideki say\u0131s\u0131z uygulamayla karma\u015f\u0131k bir \u00e7al\u0131\u015fma alan\u0131na d\u00f6n\u00fc\u015fm\u00fc\u015ft\u00fcr. Bu yaz\u0131m\u0131zda kriptografinin k\u00f6kenlerini, \u00e7al\u0131\u015fma prensiplerini, t\u00fcrlerini, uygulamalar\u0131n\u0131 ve gelecek vaatlerini inceleyerek dijital d\u00fcnyadaki \u00f6nemine \u0131\u015f\u0131k tutaca\u011f\u0131z.<\/p>\n<h2>Kriptografinin Tarihi<\/h2>\n<p>Kriptografinin k\u00f6kleri eski uygarl\u0131klara kadar uzanabilir. Bilinen en eski kriptografik tekniklerden biri, M\u00d6 1. y\u00fczy\u0131lda Julius Caesar&#039;a atfedilen Sezar \u015fifresidir. Bu teknik, alfabenin her harfinin bir ba\u015fkas\u0131yla, tipik olarak alfabenin a\u015fa\u011f\u0131s\u0131ndaki sabit say\u0131daki konumlarla de\u011fi\u015ftirilmesini i\u00e7eriyordu.<\/p>\n<p>Kriptografi, R\u00f6nesans d\u00f6neminde Leon Battista Alberti ve Johannes Trithemius gibi \u00f6nde gelen isimlerin alana katk\u0131da bulunmas\u0131yla \u00f6nemli ilerlemeler kaydetti. 19. y\u00fczy\u0131lda telgraf\u0131n ortaya \u00e7\u0131k\u0131\u015f\u0131, daha karma\u015f\u0131k kriptografik sistemlerin geli\u015ftirilmesine yol a\u00e7t\u0131.<\/p>\n<p>Modern kriptografi tarihindeki d\u00f6n\u00fcm noktas\u0131, \u0130kinci D\u00fcnya Sava\u015f\u0131 s\u0131ras\u0131nda Enigma makinesinin icad\u0131yd\u0131. Bu \u015fifreleme cihaz\u0131 Alman ordusu taraf\u0131ndan kullan\u0131ld\u0131 ve \u015fifrenin, ba\u015fta Alan Turing olmak \u00fczere M\u00fcttefik kriptanalistler taraf\u0131ndan ba\u015far\u0131l\u0131 bir \u015fekilde \u00e7\u00f6z\u00fclmesi, sava\u015f\u0131n sonucunda hayati bir rol oynad\u0131.<\/p>\n<h2>Kriptografi Hakk\u0131nda Detayl\u0131 Bilgi<\/h2>\n<p>Kriptografi, bilgilerin gizlili\u011fini, b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc ve orijinalli\u011fini korumak i\u00e7in kodlama ve kod \u00e7\u00f6zme bilimidir. D\u00fcz metni, yaln\u0131zca yetkili taraflarca uygun \u015fifre \u00e7\u00f6zme anahtarlar\u0131yla \u00e7\u00f6z\u00fclebilen, okunamayan \u015fifreli metne d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in algoritmalar ve matematiksel ilkeler i\u00e7erir.<\/p>\n<p>Modern \u015fifreleme sistemleri, \u015fifreleme algoritmalar\u0131, \u015fifre \u00e7\u00f6zme algoritmalar\u0131, \u015fifreleme anahtarlar\u0131 ve \u015fifreleme protokolleri dahil olmak \u00fczere \u00e7e\u015fitli bile\u015fenlere dayan\u0131r. Kriptografinin g\u00fcc\u00fc, do\u011fru anahtar olmadan k\u0131r\u0131lmas\u0131 neredeyse imkans\u0131z olan sa\u011flam \u015fifreleme \u015femalar\u0131 olu\u015fturma yetene\u011finde yatmaktad\u0131r.<\/p>\n<h2>Kriptografinin \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<p>Kriptografinin \u00f6z\u00fc iki temel s\u00fcre\u00e7 etraf\u0131nda d\u00f6ner: \u015fifreleme ve \u015fifre \u00e7\u00f6zme. Verilerin korunmas\u0131 gerekti\u011finde \u015fifreleme ger\u00e7ekle\u015fir ve d\u00fcz metin \u015fifreli metne d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr. \u00d6te yandan \u015fifre \u00e7\u00f6zme, \u015fifreli metnin uygun \u015fifre \u00e7\u00f6zme anahtar\u0131n\u0131 kullanarak orijinal d\u00fcz metnine geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi i\u015flemidir.<\/p>\n<p>\u0130ki ana kriptografi t\u00fcr\u00fc simetrik kriptografi ve asimetrik kriptografidir. Simetrik kriptografi hem \u015fifreleme hem de \u015fifre \u00e7\u00f6zme i\u00e7in tek bir payla\u015f\u0131lan gizli anahtar kullan\u0131rken, asimetrik kriptografi bir \u00e7ift anahtar kullan\u0131r: \u015fifreleme i\u00e7in bir genel anahtar ve \u015fifre \u00e7\u00f6zme i\u00e7in \u00f6zel bir anahtar.<\/p>\n<h2>Kriptografinin Temel \u00d6zellikleri<\/h2>\n<p>Kriptografi, onu veri g\u00fcvenli\u011finde \u00f6nemli bir ara\u00e7 haline getiren \u00e7e\u015fitli temel \u00f6zellikler sunar:<\/p>\n<ol>\n<li>\n<p><strong>Gizlilik<\/strong>: Kriptografi, hassas bilgilere \u015fifreleyerek yaln\u0131zca yetkili ki\u015filerin eri\u015fmesini sa\u011flar.<\/p>\n<\/li>\n<li>\n<p><strong>B\u00fct\u00fcnl\u00fck<\/strong>: Bilgilerde yetkisiz de\u011fi\u015fiklik veya de\u011fi\u015fiklik olup olmad\u0131\u011f\u0131n\u0131 tespit ederek veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc do\u011frular.<\/p>\n<\/li>\n<li>\n<p><strong>Kimlik do\u011frulama<\/strong>: Kriptografi, ileti\u015fim kuran taraflar\u0131n kimli\u011fini do\u011frulamak ve g\u00fcvenli ileti\u015fim sa\u011flamak i\u00e7in bir ara\u00e7 sa\u011flar.<\/p>\n<\/li>\n<li>\n<p><strong>\u0130nkar edilemezlik<\/strong>: Dijital imzalar sayesinde kriptografi, taraflar\u0131n bir i\u015fleme dahil olduklar\u0131n\u0131 inkar etmelerini engeller.<\/p>\n<\/li>\n<\/ol>\n<h2>Kriptografi T\u00fcrleri<\/h2>\n<p>Kriptografi, her biri belirli ama\u00e7lara hizmet eden \u00e7e\u015fitli t\u00fcrleri kapsar. \u0130\u015fte baz\u0131 yayg\u0131n kriptografi t\u00fcrleri:<\/p>\n<table>\n<thead>\n<tr>\n<th>Tip<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Simetrik Kriptografi<\/td>\n<td>Hem \u015fifreleme hem de \u015fifre \u00e7\u00f6zme i\u00e7in tek bir payla\u015f\u0131lan anahtar kullan\u0131r.<\/td>\n<\/tr>\n<tr>\n<td>Asimetrik Kriptografi<\/td>\n<td>\u015eifreleme i\u00e7in bir ortak anahtar ve \u015fifre \u00e7\u00f6zme i\u00e7in bir \u00f6zel anahtar olmak \u00fczere bir \u00e7ift anahtar kullan\u0131r.<\/td>\n<\/tr>\n<tr>\n<td>Karma \u0130\u015flevleri<\/td>\n<td>Verileri sabit uzunlukta karma kodlara d\u00f6n\u00fc\u015ft\u00fcrerek veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flar.<\/td>\n<\/tr>\n<tr>\n<td>Dijital imzalar<\/td>\n<td>Dijital imzay\u0131 verilerle ili\u015fkilendirerek kimlik do\u011frulama ve inkar edilemezlik sa\u011flar.<\/td>\n<\/tr>\n<tr>\n<td>Eliptik E\u011fri Kriptografisi (ECC)<\/td>\n<td>Geleneksel \u015fifrelemeyle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda verimli \u015fifreleme ve daha k\u00fc\u00e7\u00fck anahtar boyutlar\u0131 sunar.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Kriptografiyi Kullanma Yollar\u0131 ve \u0130lgili Zorluklar<\/h2>\n<p>Kriptografi, \u00e7e\u015fitli end\u00fcstrilerde \u00e7ok say\u0131da uygulama bulur:<\/p>\n<ol>\n<li>\n<p><strong>Veri korumas\u0131<\/strong>: Finansal i\u015flemler, ki\u015fisel veriler ve fikri m\u00fclkiyet gibi hassas bilgileri yetkisiz eri\u015fime kar\u015f\u0131 korur.<\/p>\n<\/li>\n<li>\n<p><strong>G\u00fcvenli \u0130leti\u015fim<\/strong>: Kriptografi, e-postalar, anl\u0131k mesajla\u015fma ve \u00e7evrimi\u00e7i i\u015flemler de dahil olmak \u00fczere a\u011flar \u00fczerinden g\u00fcvenli ileti\u015fim sa\u011flar.<\/p>\n<\/li>\n<li>\n<p><strong>\u015eifre Korumas\u0131<\/strong>: Kullan\u0131c\u0131 \u015fifrelerini saklamadan \u00f6nce hashleyerek g\u00fcvence alt\u0131na al\u0131r, veri ihlali durumunda kolayca geri al\u0131nmas\u0131n\u0131 engeller.<\/p>\n<\/li>\n<\/ol>\n<p>G\u00fc\u00e7l\u00fc y\u00f6nlerine ra\u011fmen kriptografi, a\u015fa\u011f\u0131dakiler gibi \u00e7e\u015fitli zorluklarla kar\u015f\u0131 kar\u015f\u0131yad\u0131r:<\/p>\n<ul>\n<li>\n<p><strong>Anahtar y\u00f6netimi<\/strong>: G\u00fcvenli anahtar \u00fcretimi, da\u011f\u0131t\u0131m\u0131 ve depolanmas\u0131n\u0131n sa\u011flanmas\u0131, kriptografik sistemlerin etkinli\u011fini s\u00fcrd\u00fcrmek i\u00e7in \u00e7ok \u00f6nemlidir.<\/p>\n<\/li>\n<li>\n<p><strong>Kuantum hesaplama<\/strong>: Kuantum bilgisayarlar\u0131n geli\u015ftirilmesi, kuantum diren\u00e7li kriptografinin geli\u015ftirilmesini gerektiren klasik kriptografik algoritmalar i\u00e7in potansiyel bir tehdit olu\u015fturmaktad\u0131r.<\/p>\n<\/li>\n<li>\n<p><strong>Yan Kanal Sald\u0131r\u0131lar\u0131<\/strong>: \u015eifreleme sistemleri, g\u00fc\u00e7 t\u00fcketimi veya elektromanyetik radyasyon gibi istenmeyen bilgi s\u0131z\u0131nt\u0131lar\u0131ndan yararlanan sald\u0131r\u0131lara kar\u015f\u0131 savunmas\u0131z olabilir.<\/p>\n<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<p>Daha iyi bir anlay\u0131\u015f elde etmek i\u00e7in kriptografiyi ilgili terimlerle kar\u015f\u0131la\u015ft\u0131ral\u0131m:<\/p>\n<table>\n<thead>\n<tr>\n<th>karakteristik<\/th>\n<th>Kriptografi<\/th>\n<th>Steganografi<\/th>\n<th>\u015eifreleme<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ama\u00e7<\/td>\n<td>Veri gizlili\u011fini, b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc ve orijinalli\u011fini koruma<\/td>\n<td>Di\u011fer verilerin i\u00e7indeki bilgileri gizleme<\/td>\n<td>D\u00fcz metni \u015fifreli metne d\u00f6n\u00fc\u015ft\u00fcrme<\/td>\n<\/tr>\n<tr>\n<td>Ana Teknikler<\/td>\n<td>\u015eifreleme, \u015eifre \u00c7\u00f6zme, Dijital \u0130mzalar<\/td>\n<td>Verilerin g\u00f6r\u00fcnt\u00fc, ses veya di\u011fer medya kullan\u0131larak gizlenmesi<\/td>\n<td>Simetrik, Asimetrik Kriptografi<\/td>\n<\/tr>\n<tr>\n<td>Tespit etme<\/td>\n<td>Veri korumas\u0131 i\u00e7in matematiksel algoritmalara dayan\u0131r<\/td>\n<td>Gizli kalmay\u0131 hedefledi\u011fi i\u00e7in tespit edilmesi zordur<\/td>\n<td>\u015eifreleme algoritmas\u0131 bilgisi ile tespit m\u00fcmk\u00fcnd\u00fcr<\/td>\n<\/tr>\n<tr>\n<td>Uygulamalar<\/td>\n<td>G\u00fcvenli ileti\u015fim, veri koruma, dijital imzalar<\/td>\n<td>Gizli ileti\u015fim, steganaliz<\/td>\n<td>Veri gizlili\u011fi, g\u00fcvenli iletim<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Perspektifler ve Gelece\u011fin Teknolojileri<\/h2>\n<p>Geli\u015fmeler ortaya \u00e7\u0131kan zorluklar\u0131 \u00e7\u00f6zmeye devam ettik\u00e7e kriptografinin gelece\u011fi umut vericidir. Temel geli\u015fim alanlar\u0131ndan baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n<ol>\n<li>\n<p><strong>Kuantum Sonras\u0131 Kriptografi<\/strong>: Ara\u015ft\u0131rmac\u0131lar kuantum hesaplama sald\u0131r\u0131lar\u0131na dayan\u0131kl\u0131 algoritmalar\u0131 aktif olarak ara\u015ft\u0131r\u0131yorlar.<\/p>\n<\/li>\n<li>\n<p><strong>Homomorfik \u015eifreleme<\/strong>: \u015eifrelenmi\u015f veriler \u00fczerinde \u015fifre \u00e7\u00f6zme olmadan hesaplama yap\u0131lmas\u0131na olanak sa\u011flanmas\u0131, veri i\u015fleme s\u0131ras\u0131nda gizlili\u011fin korunmas\u0131.<\/p>\n<\/li>\n<li>\n<p><strong>Blockchain ve Kripto Paralar<\/strong>: Kriptografi, blockchain a\u011flar\u0131n\u0131n g\u00fcvenli\u011finin sa\u011flanmas\u0131nda ve g\u00fcvenli dijital i\u015flemlerin sa\u011flanmas\u0131nda \u00e7ok \u00f6nemli bir rol oynar.<\/p>\n<\/li>\n<li>\n<p><strong>G\u00fcvenli \u00c7ok Tarafl\u0131 Hesaplama<\/strong>: Birden fazla taraf\u0131n, hassas bilgileri if\u015fa etmeden kendi \u00f6zel verileri \u00fczerinde ortakla\u015fa i\u015flem yapmas\u0131na izin verilmesi.<\/p>\n<\/li>\n<\/ol>\n<h2>Kriptografi ve Proxy Sunucular\u0131<\/h2>\n<p>Proxy sunucular\u0131 ve kriptografi \u00e7o\u011fu zaman el ele gider. Proxy sunucular\u0131, kullan\u0131c\u0131lar ile internet aras\u0131nda arac\u0131 g\u00f6revi g\u00f6rerek g\u00fcvenli\u011fi ve gizlili\u011fi art\u0131r\u0131r. \u0130stemciler ile proxy sunucusu aras\u0131ndaki ileti\u015fimi \u015fifreleyerek gizlili\u011fi sa\u011flayarak \u015fifrelemeyi kolayla\u015ft\u0131rabilirler. Ek olarak, kullan\u0131c\u0131lar\u0131n b\u00f6lgesel k\u0131s\u0131tlamalar\u0131 a\u015fmas\u0131na ve \u00e7evrimi\u00e7i anonimli\u011fi art\u0131rmas\u0131na yard\u0131mc\u0131 olurlar.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<p>Kriptografinin daha fazla ara\u015ft\u0131r\u0131lmas\u0131 i\u00e7in \u015fu kaynaklar\u0131 g\u00f6z \u00f6n\u00fcnde bulundurun:<\/p>\n<ol>\n<li><a href=\"https:\/\/csrc.nist.gov\/projects\/cryptographic-toolkit\" target=\"_new\" rel=\"noopener nofollow\">Ulusal Standartlar ve Teknoloji Enstit\u00fcs\u00fc (NIST) \u2013 \u015eifreleme Ara\u00e7 Seti<\/a><\/li>\n<li><a href=\"https:\/\/www.iacr.org\/\" target=\"_new\" rel=\"noopener nofollow\">Uluslararas\u0131 Kriptoloji Ara\u015ft\u0131rmalar\u0131 Derne\u011fi (IACR)<\/a><\/li>\n<li><a href=\"https:\/\/www.coursera.org\/courses?query=cryptography\" target=\"_new\" rel=\"noopener nofollow\">Coursera \u2013 Kriptografi Kursu<\/a><\/li>\n<\/ol>\n<h2>\u00c7\u00f6z\u00fcm<\/h2>\n<p>Kriptografi, modern dijital ortamda g\u00fcvenli ileti\u015fim, veri koruma ve mahremiyet sa\u011flayan vazge\u00e7ilmez bir ara\u00e7t\u0131r. Zengin ge\u00e7mi\u015fi ve s\u00fcrekli geli\u015fimiyle kriptografi, g\u00fcvenli bili\u015fimin ve \u00e7evrimi\u00e7i etkile\u015fimlerin gelece\u011fini \u015fekillendirmeye devam ediyor. Teknoloji ilerledik\u00e7e, hassas bilgilerin korunmas\u0131nda kriptografinin \u00f6nemi artacak ve bu da onu siber g\u00fcvenlik toplulu\u011fu i\u00e7in \u00f6nemli bir \u00e7al\u0131\u015fma ve geli\u015ftirme alan\u0131 haline getirecek.<\/p>","protected":false},"featured_media":468053,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476501","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Cryptography: Securing the Digital World<\/mark>","faq_items":[{"question":"What is cryptography?","answer":"<p>Cryptography is the science of secret writing, involving the use of mathematical algorithms to encode information, ensuring its confidentiality, integrity, and authenticity.<\/p>"},{"question":"How did cryptography originate?","answer":"<p>The origins of cryptography can be traced back to ancient times, with the Caesar cipher being one of the earliest known techniques. Over the centuries, cryptography evolved through significant contributions during the Renaissance and the development of advanced encryption systems during World War II.<\/p>"},{"question":"How does cryptography work?","answer":"<p>Cryptography works by converting plain text into unreadable ciphertext through encryption. This process involves encryption algorithms and cryptographic keys. To retrieve the original information, authorized parties use decryption algorithms and the corresponding decryption keys.<\/p>"},{"question":"What are the key features of cryptography?","answer":"<p>Cryptography offers essential features, including:<\/p><ul><li><strong>Confidentiality<\/strong>: Protecting information from unauthorized access.<\/li><li><strong>Integrity<\/strong>: Ensuring data remains unaltered and trustworthy.<\/li><li><strong>Authentication<\/strong>: Verifying the identity of communicating parties.<\/li><li><strong>Non-repudiation<\/strong>: Preventing parties from denying their involvement in a transaction.<\/li><\/ul>"},{"question":"What are the main types of cryptography?","answer":"<p>There are two primary types of cryptography:<\/p><ol><li><strong>Symmetric Cryptography<\/strong>: Uses a single shared secret key for both encryption and decryption.<\/li><li><strong>Asymmetric Cryptography<\/strong>: Utilizes a pair of keys, a public key for encryption and a private key for decryption.<\/li><\/ol>"},{"question":"How is cryptography used?","answer":"<p>Cryptography finds various applications, such as data protection, secure communication over networks, password security, and digital signatures.<\/p>"},{"question":"What challenges does cryptography face?","answer":"<p>Cryptography encounters challenges like key management, potential threats from quantum computing, and side-channel attacks exploiting unintended information leaks.<\/p>"},{"question":"What are the future technologies in cryptography?","answer":"<p>The future of cryptography includes post-quantum cryptography, homomorphic encryption, blockchain and cryptocurrencies, and secure multi-party computation.<\/p>"},{"question":"How do proxy servers relate to cryptography?","answer":"<p>Proxy servers and cryptography are often combined to enhance online security. Proxy servers act as intermediaries, facilitating encryption and improving privacy and anonymity for users.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476501","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\/476501\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/468053"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=476501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}