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Intercept Android APK Crypto Operations

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Uploaded by: @fadeevab

Developers of Android applications usually tend to add additional "protection" (e.g. AES encryption) to their proprietary communication protocols, or to encrypt local files in order to hide some sensitive information. This snippet intercepts Java Crypto API in Android application, prints a symmetric key, algorithm spec, and a plain data right before the final encryption (as well as a cipher data right before the decryption).