{"id":8494,"date":"2020-12-10T21:32:55","date_gmt":"2020-12-10T18:32:55","guid":{"rendered":"https:\/\/www.kampuskod.com\/?p=8494"},"modified":"2020-12-10T21:38:57","modified_gmt":"2020-12-10T18:38:57","slug":"shift-cipher-sifrelemesi-algoritmasi-sezar-algoritmasi-sifrelemesi-nedir","status":"publish","type":"post","link":"https:\/\/www.kampuskod.com\/yazilim\/shift-cipher-sifrelemesi-algoritmasi-sezar-algoritmasi-sifrelemesi-nedir\/","title":{"rendered":"Shift Cipher \u015eifrelemesi – Algoritmas\u0131 (Sezar Algoritmas\u0131 – \u015eifrelemesi) Nedir?"},"content":{"rendered":"\n

Sezar algoritmas\u0131 ilkel \u015fifreleme y\u00f6ntemlerinden birisidir. Sezar \u015fifrelemesi, sezar algoritmas\u0131, shift cipher \u015fifrelemesi ve shift cipher algoritmas\u0131 olarakta bilinir. Sezar \u015fifreleme algoritmas\u0131nda \u015fifrelenmek (encrypt)<\/strong> istenen metindeki her karakterin, anahtar kadar ileri kayd\u0131r\u0131lmas\u0131 ile \u015fifrelenir. \u015eifrenin a\u00e7\u0131lmas\u0131nda (decrypt)<\/strong> anahtar kadar her karakter geri kayd\u0131r\u0131l\u0131r.<\/p>\n\n\n\n

\u0130ngilizce alfabeye g\u00f6re harfleri numaraland\u0131ral\u0131m:<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Yap\u0131lan bu numaraland\u0131rmaya g\u00f6re, her harfin numara olarak bir kar\u015f\u0131l\u0131\u011f\u0131 vard\u0131r. Sezar Algoritmas\u0131 i\u00e7in anahtar\u0131m\u0131z\u0131 2 olarak se\u00e7elim. Bu \u015fu anlama gelmektedir; mesaj\u0131m\u0131zdaki her harfin alfabedeki numaras\u0131na 2 ekleyerek yeni elde edece\u011fimiz numaradaki harf, bizim \u015fifrelenmi\u015f harfimizi olu\u015fturacak. <\/p>\n\n\n\n

Sezar \u015eifrelemesi – Shift Cipher Encrypt<\/strong><\/h2>\n\n\n\n

Yukar\u0131da anlatt\u0131klar\u0131m\u0131za g\u00f6re Sezar \u015eifreleme \u00f6rne\u011fi yapal\u0131m. \u00d6rnek mesaj olarak “SEZAR ALGORITMASI” ifadesini se\u00e7elim. Anahatar\u0131m\u0131z\u0131 2 olarak se\u00e7elim. S harfi i\u00e7in alfabedeki numara kar\u015f\u0131l\u0131\u011f\u0131 18, bu say\u0131ya 2 eklersek 20 olur, bu da bizim \u015fifrelenmi\u015f harfimizi temsil eder. Alfabede 20. harf U. \u015eifrelenmi\u015f metinde S yerine U yazacak. E harfi 4. s\u0131rada alfabede, 2 eklersek 6 olur ve harf kar\u015f\u0131l\u0131\u011f\u0131 G’dir. \u015eifrelenmi\u015f metinde E yerine G yazacak.<\/p>\n\n\n\n

\u00d6rnek Mesaj (plain text) : \u201cSEZAR ALGORITMASI\u201d
Anahtar (Key) : 2
\u015eifreli Mesaj (cipher text) : \u201cUGBCT CNIQTKVOCUK\u201d<\/p>\n\n\n\n

Sezar Algoritmas\u0131 \u015eifre \u00c7\u00f6zme – Shift Cipher Decrypt<\/h2>\n\n\n\n

Yukar\u0131daki \u015fifreli mesaj\u0131 \u00e7\u00f6zmek i\u00e7in Anahtar kadar alfabede geri kayd\u0131rma i\u015flemi yapmam\u0131z gerekli. \u00d6rne\u011fin \u015fifreli mesajdaki ilk harf olan 20.s\u0131radaki U i\u00e7in alfabede 2 karakter geri gidersek, 18’e ula\u015f\u0131r\u0131z ve alfabe numaraland\u0131rmas\u0131nda 18. s\u0131rada S harfi vard\u0131r. B\u00f6ylelikle ilk karakterin \u015fifresiniz \u00e7\u00f6zm\u00fc\u015f oluruz.<\/p>\n\n\n\n

Not: Alfabe numaraland\u0131rmas\u0131 genelde b\u00f6yle yap\u0131l\u0131r ama siz kendi numaraland\u0131rma sisteminizi olu\u015fturabilirsiniz.<\/p>\n\n\n\n

Sezar Algoritmas\u0131 Nedir? Sezar \u015eifreleme Nedir? Shift Cipher Nedir? Shift Cipher Algoritmas\u0131 Nedir? sorular\u0131na bu yaz\u0131m\u0131zda cevap bulduk.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sezar algoritmas\u0131 ilkel \u015fifreleme y\u00f6ntemlerinden birisidir. Sezar \u015fifrelemesi, sezar algoritmas\u0131, shift cipher \u015fifrelemesi ve shift cipher algoritmas\u0131 olarakta bilinir. Sezar \u015fifreleme algoritmas\u0131nda \u015fifrelenmek (encrypt) istenen metindeki her karakterin, anahtar kadar ileri kayd\u0131r\u0131lmas\u0131 ile \u015fifrelenir. \u015eifrenin a\u00e7\u0131lmas\u0131nda (decrypt) anahtar kadar her karakter geri kayd\u0131r\u0131l\u0131r. \u0130ngilizce alfabeye g\u00f6re harfleri numaraland\u0131ral\u0131m: Yap\u0131lan bu numaraland\u0131rmaya g\u00f6re, her harfin numara […]<\/p>\n","protected":false},"author":4,"featured_media":8633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[495,24],"tags":[4369,4368],"_links":{"self":[{"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/posts\/8494"}],"collection":[{"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/comments?post=8494"}],"version-history":[{"count":3,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/posts\/8494\/revisions"}],"predecessor-version":[{"id":8636,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/posts\/8494\/revisions\/8636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/media\/8633"}],"wp:attachment":[{"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/media?parent=8494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/categories?post=8494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kampuskod.com\/wp-json\/wp\/v2\/tags?post=8494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}