ProductFairPlay DRM
FairPlay
苹果公司自主研发的数字版权管理（DRM）系统，最初用于iTunes音乐加密，后扩展至App Store所有应用的分发保护，使用设备绑定密钥对Mach-O可执行文件进行加密
Timeline (last 90 days)
Sep 1
Downloaded IPA files are typically protected by FairPlay DRM encryption; Apple's servers use AES encryption on the __TEXT segment of the Mach-O executable when the app is submitted, and the decryption key is bound to the user's Apple ID and device
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