{"id":20277,"date":"2018-02-27T00:05:33","date_gmt":"2018-02-26T21:05:33","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=20277"},"modified":"2018-02-26T15:53:34","modified_gmt":"2018-02-26T12:53:34","slug":"en-iyi-iletisim-guvenligini-kuantum-sifreleme-sagliyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2018\/02\/27\/en-iyi-iletisim-guvenligini-kuantum-sifreleme-sagliyor","title":{"rendered":"En iyi ileti\u015fim g\u00fcvenli\u011fini kuantum \u015fifreleme sa\u011fl\u0131yor!"},"content":{"rendered":"<p>G\u00fcn\u00fcm\u00fcz teknolojisiyle ula\u015f\u0131labilir bir sistemde, cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifreleme g\u00fcvenli\u011fini sa\u011flaman\u0131n anahtar\u0131, herhangi bir sald\u0131r\u0131 stratejisini ne kadar karma\u015f\u0131k olursa olsun s\u0131rayla basit ad\u0131mlara ay\u0131rmakt\u0131r.<\/p>\n<p>Kuantum \u015fifrelemesinde, kuantum mekani\u011finin yasalar\u0131, klasik fizik kuramlar\u0131na dayanan geleneksel \u015fifreleme \u015femalar\u0131nda m\u00fcmk\u00fcn olana oranla, daha y\u00fcksek g\u00fcvenlikli mesajlar g\u00f6ndermek i\u00e7in kullan\u0131lmaktad\u0131r. Teoride kuantum ileti\u015fim tam g\u00fcvenlik sa\u011flar, yani \u00fc\u00e7\u00fcnc\u00fc ki\u015filer mesajlar \u00fczerinde de\u011fi\u015ftirme yapamaz ya da onlar\u0131 durduramaz. Ama pratikte bu \u015fekilde ko\u015fulsuz g\u00fcvenlik ger\u00e7ekle\u015ftirilebilir de\u011fildir. \u0130zinsiz bir ki\u015finin dinleme yapabilmesinin bir yolu, ileti\u015fim ara\u00e7lar\u0131n\u0131 ileriye y\u00f6nelik olarak \u00f6nceden manip\u00fcle etmektir. <em>Nature Communications<\/em>\u2019daki Rotem Arnon-Friedman ve meslakta\u015flar\u0131n\u0131n yaz\u0131s\u0131nda, cihazlarla oynanm\u0131\u015f olsa bile kuantum \u015fifreleme protokollerinin ideal g\u00fcvenlikte oldu\u011fu g\u00f6steriliyor ve cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifrelemenin g\u00fcn\u00fcm\u00fcz \u00a0kuantum \u015fifreleme teknolojileriyle m\u00fcmk\u00fcn oldu\u011fu s\u00f6yleniyor.<\/p>\n<figure id=\"attachment_20279\" aria-describedby=\"caption-attachment-20279\" style=\"width: 300px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-20279\" src=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli.jpg 300w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli-80x60.jpg 80w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli-100x75.jpg 100w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli-180x135.jpg 180w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/02\/Kuantum-\u015fifreleme-en-g\u00fcvenli-238x178.jpg 238w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-20279\" class=\"wp-caption-text\">G\u00fcn\u00fcm\u00fcz teknolojisiyle ula\u015f\u0131labilir bir sistemde, cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifreleme g\u00fcvenli\u011fini sa\u011flaman\u0131n anahtar\u0131, herhangi bir sald\u0131r\u0131 stratejisinin (alt s\u0131rada simgelenen) ne kadar karma\u015f\u0131k olursa olsun s\u0131rayla basit ad\u0131mlara ay\u0131rmakt\u0131r (\u00fcst s\u0131rada simgelenen). \u00a9 Arnon-Friedman ve di\u011ferleri; Nature Comms 9, 459; 2018<\/figcaption><\/figure>\n<p>Ayg\u0131ttan ba\u011f\u0131ms\u0131z kuantum kriptografi, kuantum ileti\u015fimin \u201calt\u0131n standart\u201d\u0131d\u0131r, \u00e7\u00fcnk\u00fc kuantum kriptografinin klasik e\u015fde\u011feri \u00fczerindeki avantajlar\u0131, kullan\u0131lan cihaz\u0131n g\u00fcvenilir olup olmayaca\u011f\u0131ndan endi\u015fe etmeden ger\u00e7ekle\u015febilir. Bu cazip bir durum, ancak bug\u00fcne kadar cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifrelemesi, ger\u00e7ek\u00e7i ko\u015fullar alt\u0131nda eri\u015filemeyen deneysel gereksinimlerle ve \u00e7o\u011funlukla teorik bir yap\u0131da olmu\u015ftur.<\/p>\n<p>Dolay\u0131s\u0131yla bu yeni g\u00f6rev, Z\u00fcrih Teorik Fizik Enstit\u00fcs\u00fc\u2019ndeki Renato Renner\u2019in grubundaki doktora \u00f6\u011frencisi Arnon-Fr\u0131edman ile Amerika, Fransa ve \u00c7ek Cumhuriyeti\u2019 ndeki meslekta\u015flar\u0131n\u0131 cezbetti. Bu tak\u0131m \u201centropi birikimi\u201dnden ilham alan teorik bir kavram geli\u015ftirdi ve bunu kuantum \u015fifrelemesine uygulad\u0131. Ne kadar karma\u015f\u0131k olursa olsun herhangi bir sald\u0131r\u0131 stratejisinin basit basamaklardan olu\u015fan bir dizine ayr\u0131\u015ft\u0131r\u0131labilir oldu\u011funu buldular. Ne yaz\u0131k ki olduk\u00e7a zor olan g\u00fcvenlik tedbirleri i\u00e7in bu kriptografi \u00e7ok yard\u0131mc\u0131d\u0131r. \u00c7\u00fcnk\u00fc akla gelebilecek her t\u00fcrl\u00fc olas\u0131 sald\u0131r\u0131 stratejisini dikkate al\u0131r. Bu yeni yakla\u015f\u0131mla ilk defa Arnon-Friedman ve meslekta\u015flar\u0131, en geli\u015fmi\u015f kuantum teknolojisi ile elde edilebilen bir sistemdeki cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifrelemesinin g\u00fcvenli\u011fini kan\u0131tl\u0131yorlar. Yani bu gibi tasar\u0131lar\u0131n pratikte ger\u00e7ekle\u015fmesine zemin haz\u0131rlan\u0131yor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcn\u00fcm\u00fcz teknolojisiyle ula\u015f\u0131labilir bir sistemde, cihazdan ba\u011f\u0131ms\u0131z kuantum \u015fifreleme g\u00fcvenli\u011fini sa\u011flaman\u0131n anahtar\u0131, herhangi bir sald\u0131r\u0131 stratejisini ne kadar karma\u015f\u0131k olursa olsun s\u0131rayla basit ad\u0131mlara ay\u0131rmakt\u0131r. Kuantum \u015fifrelemesinde, kuantum mekani\u011finin yasalar\u0131, klasik fizik kuramlar\u0131na dayanan geleneksel \u015fifreleme \u015femalar\u0131nda m\u00fcmk\u00fcn olana oranla, daha y\u00fcksek g\u00fcvenlikli mesajlar g\u00f6ndermek i\u00e7in kullan\u0131lmaktad\u0131r. Teoride kuantum ileti\u015fim tam g\u00fcvenlik sa\u011flar, yani \u00fc\u00e7\u00fcnc\u00fc [&hellip;]<\/p>\n","protected":false},"author":860,"featured_media":20278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,26,31],"tags":[2429,2430,2431],"class_list":["post-20277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","category-fizik","category-teknoloji","tag-kriptografi","tag-kuantum-kriptografi","tag-kuantum-sifreleme"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/20277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/860"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=20277"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/20277\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/20278"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=20277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=20277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=20277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}