{"id":478811,"date":"2023-08-09T09:38:29","date_gmt":"2023-08-09T09:38:29","guid":{"rendered":""},"modified":"2023-09-05T11:17:37","modified_gmt":"2023-09-05T11:17:37","slug":"s-key","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/my\/wiki\/s-key\/","title":{"rendered":"S\/Kunci"},"content":{"rendered":"<p>Maklumat ringkas tentang S\/Key<\/p>\n<p>S\/Key ialah sistem kata laluan sekali yang digunakan untuk pengesahan pengguna, memberikan keselamatan tambahan terhadap serangan ulangan. Dengan menjana satu siri kata laluan sekali daripada frasa laluan rahsia, S\/Key memastikan bahawa kata laluan yang dipintas tidak boleh digunakan untuk percubaan pengesahan berikutnya. Ia digunakan dalam pelbagai sistem di mana keselamatan menjadi keutamaan, termasuk log masuk jauh, perbankan dalam talian dan banyak lagi.<\/p>\n<h2>Sejarah Asal S\/Key dan Sebutan Pertamanya<\/h2>\n<p>S\/Key telah dicipta oleh Bellcore (kini Telcordia Technologies) dan pertama kali diterangkan pada tahun 1988 oleh Phil Karn, Neil Haller, dan John Walden. Ia pada mulanya direka bentuk sebagai skim pengesahan untuk melindungi daripada ancaman luaran terhadap keselamatan rangkaian. Idea utama adalah untuk mencipta sistem yang tidak memerlukan pelayan menyimpan salinan kunci rahsia, dengan itu mengurangkan risiko kecurian kunci.<\/p>\n<h2>Maklumat Terperinci tentang S\/Key<\/h2>\n<p>Memperluas topik S\/Key<\/p>\n<p>Sistem pengesahan S\/Key menggunakan fungsi matematik dan frasa laluan rahsia untuk menjana satu siri kata laluan sekali. Pengguna mesti memasukkan kata laluan seterusnya yang betul dari siri untuk setiap percubaan pengesahan.<\/p>\n<h3>Komponen:<\/h3>\n<ol>\n<li><strong>Ungkapan Laluan Rahsia:<\/strong> Hanya diketahui oleh pengguna.<\/li>\n<li><strong>Kata Laluan Satu Kali (OTP):<\/strong> Dihasilkan daripada frasa laluan.<\/li>\n<li><strong>Pelayan Pengesahan:<\/strong> Mengesahkan OTP.<\/li>\n<\/ol>\n<h3>Keselamatan:<\/h3>\n<ul>\n<li><strong>Perlindungan Serangan Main Semula:<\/strong> Memandangkan setiap kata laluan digunakan sekali, menangkap kata laluan tidak membolehkan akses tanpa kebenaran pada masa hadapan.<\/li>\n<li><strong>Mengurangkan Risiko Pelayan:<\/strong> Pelayan tidak menyimpan salinan kunci rahsia.<\/li>\n<\/ul>\n<h2>Struktur Dalaman S\/Key<\/h2>\n<p>Bagaimana S\/Key Berfungsi<\/p>\n<ol>\n<li><strong>Permulaan:<\/strong> Pengguna memilih frasa laluan.<\/li>\n<li><strong>Penjanaan OTP:<\/strong> Satu siri OTP dijana daripada frasa laluan menggunakan fungsi cincang sehala.<\/li>\n<li><strong>Proses Pengesahan:<\/strong> Pengguna menyerahkan OTP yang tidak digunakan seterusnya.<\/li>\n<li><strong>Pengesahan:<\/strong> Pelayan mengesahkan OTP menggunakan pengiraan sendiri dan membenarkan atau menafikan akses dengan sewajarnya.<\/li>\n<\/ol>\n<h2>Analisis Ciri Utama S\/Key<\/h2>\n<ul>\n<li><strong>Penggunaan Sekali:<\/strong> Setiap kata laluan digunakan sekali.<\/li>\n<li><strong>Kesederhanaan:<\/strong> Ia agak mudah untuk dilaksanakan dan digunakan.<\/li>\n<li><strong>Kemerdekaan dari Jam:<\/strong> Tidak seperti sistem OTP lain, S\/Key tidak bergantung pada masa yang disegerakkan antara klien dan pelayan.<\/li>\n<li><strong>Kerentanan Berpotensi:<\/strong> Jika nombor jujukan atau frasa laluan rahsia dikompromi, keseluruhan sistem boleh berisiko.<\/li>\n<\/ul>\n<h2>Jenis S\/Kunci<\/h2>\n<p>Pelaksanaan yang berbeza telah muncul. Berikut ialah jadual beberapa variasi:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>taip<\/strong><\/th>\n<th><strong>Algoritma<\/strong><\/th>\n<th><strong>Penggunaan<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\/Kunci Klasik<\/td>\n<td>Cincang berasaskan MD4<\/td>\n<td>Tujuan am<\/td>\n<\/tr>\n<tr>\n<td>OPIE<\/td>\n<td>Cincang berasaskan MD5<\/td>\n<td>sistem UNIX<\/td>\n<\/tr>\n<tr>\n<td>Mudah alih-OTP<\/td>\n<td>Algoritma Tersuai<\/td>\n<td>Peranti mudah alih<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Cara Menggunakan S\/Key, Masalah dan Penyelesaiannya<\/h2>\n<h3>penggunaan:<\/h3>\n<ul>\n<li><strong>Akses Jauh<\/strong><\/li>\n<li><strong>Urus Niaga Dalam Talian<\/strong><\/li>\n<\/ul>\n<h3>Masalah:<\/h3>\n<ul>\n<li><strong>Frasa Laluan Hilang:<\/strong> Jika pengguna kehilangan frasa laluan, proses penetapan semula diperlukan.<\/li>\n<li><strong>Serangan Man-in-the-Middle:<\/strong> Masih terdedah kepada serangan seperti ini.<\/li>\n<\/ul>\n<h3>Penyelesaian:<\/h3>\n<ul>\n<li><strong>Protokol Penghantaran Selamat:<\/strong> Untuk menjaga daripada pemintasan.<\/li>\n<li><strong>Pengesahan Berbilang Faktor:<\/strong> Untuk menambah lapisan keselamatan tambahan.<\/li>\n<\/ul>\n<h2>Ciri-ciri Utama dan Perbandingan Lain<\/h2>\n<p>Berikut ialah jadual yang membandingkan S\/Key dengan kaedah pengesahan yang serupa:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>Kaedah<\/strong><\/th>\n<th><strong>Keselamatan<\/strong><\/th>\n<th><strong>Kemudahan penggunaan<\/strong><\/th>\n<th><strong>Kebergantungan pada Masa<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\/Kunci<\/td>\n<td>tinggi<\/td>\n<td>Sederhana<\/td>\n<td>Tidak<\/td>\n<\/tr>\n<tr>\n<td>TOTP<\/td>\n<td>tinggi<\/td>\n<td>tinggi<\/td>\n<td>ya<\/td>\n<\/tr>\n<tr>\n<td>HOTP<\/td>\n<td>tinggi<\/td>\n<td>tinggi<\/td>\n<td>Tidak<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Perspektif dan Teknologi Masa Depan Berkaitan dengan S\/Key<\/h2>\n<p>Perkembangan masa depan mungkin termasuk menyepadukan data biometrik, mempertingkatkan algoritma untuk penjanaan OTP dan melaksanakan AI untuk pengesahan berterusan.<\/p>\n<h2>Bagaimana Pelayan Proksi Boleh Digunakan atau Dikaitkan dengan S\/Key<\/h2>\n<p>Pelayan proksi, seperti yang disediakan oleh OneProxy, boleh dikonfigurasikan untuk memerlukan pengesahan S\/Key. Ini menambah lapisan keselamatan tambahan, memastikan bahawa hanya pengguna yang dibenarkan boleh mengakses pelayan proksi.<\/p>\n<h2>Pautan Berkaitan<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1760\" target=\"_new\" rel=\"noopener nofollow\">RFC 1760 \u2013 Sistem Kata Laluan Satu Kali S\/Key<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/OPIE_Authentication_System\" target=\"_new\" rel=\"noopener nofollow\">Kata Laluan Satu Kali OPIE dalam Segala-galanya<\/a><\/li>\n<li><a href=\"https:\/\/motp.sourceforge.net\/\" target=\"_new\" rel=\"noopener nofollow\">Halaman Projek Mudah Alih-OTP<\/a><\/li>\n<\/ul>\n<p>Sumber di atas menawarkan cerapan menyeluruh tentang sistem S\/Key, aplikasi, variasi dan spesifikasi teknikalnya.<\/p>","protected":false},"featured_media":478812,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478811","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>S\/Key Authentication System<\/mark>","faq_items":[{"question":"What is S\/Key and why is it important?","answer":"<p>S\/Key is a one-time password system used for user authentication that provides additional security against replay attacks. By generating a series of one-time passwords from a secret passphrase, S\/Key ensures that an intercepted password can't be used again, thus offering enhanced security for various systems such as remote logins and online banking.<\/p>"},{"question":"What is the history of the S\/Key system?","answer":"<p>S\/Key was invented by Bellcore in 1988 by Phil Karn, Neil Haller, and John Walden. It was initially designed as an authentication scheme to protect against network security threats, particularly focusing on eliminating the server-side storage of secret keys to reduce the risk of key theft.<\/p>"},{"question":"How does the S\/Key system work?","answer":"<p>The S\/Key system works by utilizing a mathematical function and a secret passphrase to generate a series of one-time passwords. The user must enter the correct next password from the series for every authentication attempt. The server validates the one-time password without storing the secret keys, thereby enhancing security.<\/p>"},{"question":"What are the key features of S\/Key?","answer":"<p>The key features of S\/Key include its one-time use of each password, its simplicity, independence from synchronized time between client and server, and its high security against replay attacks. However, it can be vulnerable if the sequence number or the secret passphrase is compromised.<\/p>"},{"question":"What types of S\/Key exist?","answer":"<p>Different types of S\/Key include Classic S\/Key, which uses an MD4-based hash; OPIE, which uses an MD5-based hash and is commonly used in UNIX systems; and Mobile-OTP, which uses a custom algorithm and is designed for mobile devices.<\/p>"},{"question":"What are the common ways to use S\/Key and potential problems?","answer":"<p>S\/Key is commonly used for remote access and online transactions. Some potential problems include the loss of a passphrase, requiring a reset, and susceptibility to man-in-the-middle attacks. Solutions include using secure transmission protocols and implementing multi-factor authentication.<\/p>"},{"question":"How does S\/Key compare to other similar authentication methods?","answer":"<p>S\/Key is comparable to other methods like TOTP and HOTP in terms of security. While it's moderate in ease of use, unlike TOTP, it doesn't depend on synchronized time between the client and server.<\/p>"},{"question":"What are the future prospects for S\/Key technology?","answer":"<p>Future developments related to S\/Key might include the integration of biometric data, enhancement of algorithms for one-time password generation, and the use of AI for continuous authentication.<\/p>"},{"question":"How can proxy servers be used or associated with S\/Key?","answer":"<p>Proxy servers, such as those provided by OneProxy, can be configured to require S\/Key authentication. This adds an extra layer of security, ensuring that only authorized users can access the proxy server.<\/p>"},{"question":"Where can I find more information about S\/Key?","answer":"<p>You can find more information about S\/Key by exploring resources such as RFC 1760 - The S\/Key One-Time Password System, the OPIE Authentication System Wikipedia page, and the Mobile-OTP Project Page. Links to these resources are provided in the original article.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki\/478811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki\/478811\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/media\/478812"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/media?parent=478811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}