Jan 21 · 2 min read · Ever wished there was a simple way to scramble sensitive text — then get it back later without breaking a sweat? Whether it’s passwords, tokens, or secret notes, hard-coding sensitive text is never a good idea.And trying to roll your own encryption u...
Join discussionAug 3, 2025 · 2 min read · In this challenge, we were provided with an encrypted message and the encryption algorithm used to secure it. Our task was to reverse-engineer the given algorithm, decrypt the message, and retrieve the hidden flag. The encryption applied an index-bas...
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Nov 16, 2024 · 1 min read · 适合有编程基础的同学学习，其他网站大都是付费资源。秉承分享精神 SG11（SG是SourceGuardian的简写）其实是基于PHP扩展的一个加密组件，能找到这篇文章也就不需要详细介绍这个东西了。 关于SG11的解密，如果你做网站搭建的，那么多少会遇到这些问题，我在这里就分享一下详细的解密视频教程，共4节课程，有兴趣的自行去查看吧。 视频来源某位大牛分享，拿走的留言一下！ SG11加密代码解密教学教程，淘宝找人SG11解密一百几十块左右一个文件，本视频教程一共4段，详细介绍了sg11解密方法。通...
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