DecompHub

PicPat

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Reverse engineering write-up of the Amber Security SDK (com.amber.lib.security) — the crypto wrapper used by PicPat (locket.live) and 16 sibling Android apps from the same vendor. Covers the SIGN_V2 signing algorithm, REQUEST_V2/RESPONSE_V2 authenticated encryption (AES-256-CBC + HMAC-SHA256), and the design issues found along the way.

目标软件或硬件
Amber Security SDK
工作类型
逆向工程与文档整理
主要公开仓库
github.com/qurtimurti/picpat
GitHub
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介绍与范围

Reverse engineering write-up of the Amber Security SDK (com.amber.lib.security) — the crypto wrapper used by PicPat (locket.live) and 16 sibling Android apps from the same vendor. Covers the SIGN_V2 signing algorithm, REQUEST_V2/RESPONSE_V2 authenticated encryption (AES-256-CBC + HMAC-SHA256), and the design issues found along the way.

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