DarkSword operators use Coruna malware to steal iPhone crypto wallet recovery phrases, with exposed servers revealing theft ...
NIST finalized Ascon in Aug 2025. We compare AES-256-GCM vs Ascon-AEAD128 on security, speed, and IoT hardware fit.
技术选型上，Python 生态里能碰 PDF 的库不少。PyMuPDF 渲染快、提取强，但依赖 C 编译的二进制；pdfplumber 擅长抽表格文本，可它压根不支持写入和加密。真正适合"合并 + 拆分 + 加密"这条链路的，是 pypdf——它是经典 PyPDF2 的重构升级版，纯 Python 实现，接口干净，而且原生支持 AES-256 加密，只要额外 ...
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