feat(dfp): 🔑 RC4 key=APK内嵌appkey常量(datadiv@3912240), 全流程零设备依赖闭环 (R38-R39)
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@@ -8,8 +8,11 @@
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不是魔数! 密钥同则 magic 同)
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-> 尾部 10B 为 gzip 流之后的附加段 (decompressobj unused_data)
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密钥 = 32 字符 hex ASCII 串 (如 865a4924a40897ac1fcfe6b4c2abc798), 每注册轮换.
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捕获点: libhydeviceid.so!0x60e6c onEnter x1 = 密钥串 (tools/frida/hook_hy.js).
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密钥 = 32 字符 hex ASCII 串 = **APK 内嵌静态常量** (非随机、非设备派生!):
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libhydeviceid.so .data (datadiv 加密) 字符串表 @offset 3912240, 紧邻 "dfpReport"/"appid"/"terminal":
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[3912240] "865a4924a40897ac1fcfe6b4c2abc798" ← turing appkey/通道密钥 (R39 实锤)
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同族兄弟: k1=...cbb0e3 (BusinessCfg+0x10), channelKey=...cbb045 (resinfo 服务端下发)
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新版本 APK 离线重提取: unidbg hydev harness 跑 datadiv 解密, 或 0x60e6c x1 一次抓取.
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XXTEA/静态密钥 f15e... 与 dfpReport 无关 (那是 hdid 子系统) — 45 函数零调用之谜即此.
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"""
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from __future__ import annotations
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