{"version":"https://jsonfeed.org/version/1.1","title":"苏迟但到的主页","home_page_url":"https://kexohproject.pages.dev","feed_url":"https://kexohproject.pages.dev/json/","description":"<p>你好，欢迎访问个人主页！</p><p>擅长密码学，安全分析，数字水印等技术。</p><p>你可以联系我通过:findmykexin@gmail.com或者知乎私信。</p><p>我的知乎链接：<a href=\"https://www.zhihu.com/people/su-chi-dan-dao\" rel=\"noopener noreferrer\" target=\"_blank\">苏迟但到 - 知乎 (zhihu.com)</a></p><p>我的github链接：<a href=\"https://github.com/kexinoh\" rel=\"noopener noreferrer\" target=\"_blank\">kexinoh</a></p>","icon":"https://kexohcdn.gptapi.cyou/kexohproject/production/images/channel-2e54d141ee195646ca12a9d16507a908.jpg","favicon":"https://kexohcdn.gptapi.cyou/kexohproject/production/images/favicon-340a2925d02a0386f3b954a032834917.jpg","authors":[{"name":"苏迟但到"}],"language":"zh-cn","items":[{"id":"FjBZrZRPeur","title":"DES密钥中8位奇偶校验位的作用是什么？","content_html":"<p data-pid=\"QGhPyn3y\">官方定义是用作奇偶校验的，当然实际中没什么作用。</p><p data-pid=\"ZYTRap7b\">事实上，不单单这个没有作用，IP盒的作用也不清楚。开始的和结束的IP盒置换的作用对于DES的安全性提升也为0。</p><p data-pid=\"sCWhQAPC\">但是因为DES的设计过程没有公开，比如S盒的设计就没有公开，所以大家不能肯定的说DES的IP置换没有用。</p><p data-pid=\"9AIS1hv7\">在crypto都市传说中，DES的S盒有着被隐藏的后门，一些特殊的密钥或者明文可能会直接导致密码失效。</p><p data-pid=\"AQGEuwRx\">尽管这个都市传说还没有被证实，但是DES已经被证实很容易受到差分攻击了。</p>","content_text":"官方定义是用作奇偶校验的，当然实际中没什么作用。\n\n事实上，不单单这个没有作用，IP盒的作用也不清楚。开始的和结束的IP盒置换的作用对于DES的安全性提升也为0。\n\n但是因为DES的设计过程没有公开，比如S盒的设计就没有公开，所以大家不能肯定的说DES的IP置换没有用。\n\n在crypto都市传说中，DES的S盒有着被隐藏的后门，一些特殊的密钥或者明文可能会直接导致密码失效。\n\n尽管这个都市传说还没有被证实，但是DES已经被证实很容易受到差分攻击了。","date_published":"2023-03-13T13:13:21.000Z","_microfeed":{"web_url":"https://kexohproject.pages.dev/i/des8-FjBZrZRPeur/","json_url":"https://kexohproject.pages.dev/i/FjBZrZRPeur/json/","rss_url":"https://kexohproject.pages.dev/i/FjBZrZRPeur/rss/","guid":"FjBZrZRPeur","status":"published","itunes:title":"New Article Title for iTunes","date_published_short":"Mon Mar 13 2023","date_published_ms":1678713201000}}],"_microfeed":{"microfeed_version":"0.1.2","base_url":"https://kexohproject.pages.dev","categories":[{"name":"Education","categories":[{"name":"Language Learning"}]},{"name":"Technology"}],"subscribe_methods":[{"name":"RSS","type":"rss","url":"https://kexohproject.pages.dev/rss/","image":"https://kexohproject.pages.dev/assets/brands/subscribe/rss.png","enabled":true,"editable":false,"id":"4KlfbtkEfzy"},{"name":"JSON","type":"json","url":"https://kexohproject.pages.dev/json/","image":"https://kexohproject.pages.dev/assets/brands/subscribe/json.png","enabled":true,"editable":false,"id":"DVFm7TYiNSq"}],"description_text":"你好，欢迎访问个人主页！\n\n擅长密码学，安全分析，数字水印等技术。\n\n你可以联系我通过:findmykexin@gmail.com或者知乎私信。\n\n我的知乎链接：苏迟但到 - 知乎 (zhihu.com)\n\n我的github链接：kexinoh","copyright":"©2024","itunes:type":"episodic","items_sort_order":"newest_first"}}