<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>DRBG on Hical</title><link>https://hicalio.cn/tags/drbg/</link><description>Recent content in DRBG on Hical</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Wed, 22 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://hicalio.cn/tags/drbg/index.xml" rel="self" type="application/rss+xml"/><item><title>OpenSSL RAND_bytes 完整原理：从硬件熵到密码学安全随机数</title><link>https://hicalio.cn/posts/cpp/openssl-rand-bytes-deep-dive/</link><pubDate>Wed, 22 Apr 2026 00:00:00 +0000</pubDate><guid>https://hicalio.cn/posts/cpp/openssl-rand-bytes-deep-dive/</guid><description>深入理解 RAND_bytes 的三层 DRBG 架构、CTR_DRBG + AES-256 核心算法、操作系统熵源机制，以及为什么游戏/Web 服务器应该用它替代 mt19937。</description></item></channel></rss>