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href="/atom.xml" class="dropdown-menu button">RSS</a></div></div></header><cover><div class="cover__logo"><h1>Hans362 's Blog</h1></div><div class="cover__intro"><p>不以物喜，不以己悲</p></div></cover><main><div class="post-list"><div class="post-entry card"><div class="post-entry__header"></div><div class="post-entry__content"><h2 class="post-entry__title">SJTU-CTF 2025 部分 WriteUp</h2><p>又是一年一度的校赛，今年继续给校赛出了 2 道 Web 题：SmartGrader、EzWebAuthn(_Revenge)，赛后按照惯例发一下出题思路和解题过程。不过考虑到题目后续会搬到校内 OJ，为避免影响后面同学的练习效果就全部加密了，密码是对应题目的 Flag，解出后可以来看看出题思路和可能的其他解法。</p></div><div class="post-entry__meta"><a href="/archives/2025/04/" class="post-meta__date button">2025-04-10</a> <span class="separate-dot"></span> <a href="/categories/%E6%B0%B4/" class="button"><span class="post-meta__cats">水</span></a><style>.post-meta__pv{color:var(--t-l);visibility:hidden;opacity:0;transition:.2s}</style><span class="separate-dot"></span> <span class="post-meta__pv"></span></div><a href="/post/sjtu-ctf-2025-writeup/" 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