<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Yestino - The Signal · How RC2</title><link>https://yestino.com/zh-CN/entities/how-rc2-f76622</link><description>与 How RC2 相关的全部事件</description><language>zh-CN</language><atom:link href="https://yestino.com/zh-CN/entities/how-rc2-f76622/feed.xml" rel="self" type="application/rss+xml"/><item><title>How RC2&apos;s π table was made</title><link>https://yestino.com/zh-CN/events/how-rc2-s-table-was-made-b4861e</link><guid isPermaLink="true">https://yestino.com/zh-CN/events/how-rc2-s-table-was-made-b4861e</guid><pubDate>Sun, 18 Oct 2026 22:48:07 GMT</pubDate><description>The 256 numbers in the key schedule of Ron Rivest’s RC2 cipher were said to come from π, but the method was never published.
来源：Hacker News</description></item></channel></rss>