android libavb深入解读

已于 2023-02-17 10:18:28 修改
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分类专栏： android系统安全 安全 android 文章标签： android 系统安全 安全
于 2023-02-11 18:10:13 首次发布
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://blog.youkuaiyun.com/dongyi1988/article/details/128968726
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本文详细探讨了Android系统的libavb，主要涉及vbmeta结构解析、libavb的代码解读，包括avb_slot_verify、load_and_verify_vbmeta、avb_vbmeta_image_verify、load_and_verify_hash_partition等关键函数的功能和验证流程。文章还提到了在没有vbmeta分区时的处理以及递归验证的使用，同时提出了关于HASH校验、公钥验证和链式结构的问题。

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