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smid_project

该项目是『数盟可信id的获取』的样本。由于商业合作才可以拿到,一般在市面上鲜于见到。该样本出自一家接入过数盟解决方案的第三方公司APP,通过逆向的技术拿到了样本。

由于key是app唯一的,每次初始化请求会记一次,所以请手下留情!

关于数盟

官网传送门:https://www.shuzilm.cn

关于数盟ID

『数盟ID』:可信ID技术由数字联盟自主研发,用于准确描述移动设备,每个编码对象获得一个唯一的、不变的标识ID。可信ID能帮助APP公司在不同场景下确认设备唯一性,识别修改设备及复用、虚拟机刷量等行为,可以反作弊、防刷单,并通过数字联盟生成的设备ID和客户账户体系的关联,实时有效识别小号恶意注册等行为,并精确识别历史版本用户、弱账户APP的换机状态等。

可信ID不随任何非硬件信息变化而更改,是真正唯一、真实、安全、高可用的移动设备指纹。

说明

经调研,发现该id并不依赖于传统的设备ID,如imei、mac地址、android_id等。在xpose劫持的情况修改,imei等参数并不会导致该ID修改。C方法拦截未测试。

在app第一次启动会初始化ID,并上传至数盟服务器(api.shuzilm.cn)。因为考虑到计费统计,所以可信ID的获取至少需要网络访问的权限。

<uses-permission android:name="android.permission.INTERNET" />

可信ID.png

可信ID的获取过程:

  • 程序启动后在主进程中初始化SDK
  • 注册传感器监听
  • 获取网络权限成功后,尝试获取并散列88位可信ID
  • 在sp中缓存以便下次进来使用
  • 推送ID和相关信息至服务端接口api.shuzilm.cn

程序只有在第一次启动才会执行计算ID和计费的操作。

smid_project's People

Contributors

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