安全研究人员发现，多款PDF阅读器和编辑器虽然宣称采用AES-256加密，但实际生成的256位文件密钥源自极小的状态空间或不可靠的随机源，攻击者可在无需密码的情况下枚举破解受保护文档。

本文围绕 MuPDF 仓库中的 C 语言示例 docs/examples/example.c（对应官方烹饪手册 docs/cookbook/c/example.rst收录的 "Render Images" 示例 ...

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Proofpoint created a new open-source tool for creating threat detection rules based on unique characteristics in PDFs called “PDF Object Hashing”. This technique can help with identifying related ...

The base and split configuration APKs contained in this APK bundle are signed by Artifex Software LLC and upgrade your existing app.

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Have you ever sat with your grandparents or elderly relatives, listening to their stories and wishing you could capture every detail? Maybe you’ve wondered how to preserve your own journey for the ...