AES
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Read more: Sharif University Quals CTF 2014 – Commercial Application
Category: CryptoDescription: Flag is a serial number. Note: For this challenge, we need install some things into our Android 5.1 device with Genymotion.For example, an ARM Translator.https://github.com/m9rco/Genymotion_ARM_Translation Download APK: https://lautarovculic.com/my_files/suCTF.apk Install the apk with adb adb install -r suCTF.apk Decompile this with apktool apktool d suCTF.apk And now we can inspect the source code with jadxBut, first at all, let’s take a look to the…
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Read more: AHE17: Android Hacking Events 2017 (AES-Decrypt)
For this challenge, we need install some things into our Android 5.1 device with Genymotion.For example, an ARM Translator.https://github.com/m9rco/Genymotion_ARM_Translation For download the APK https://team-sik.org/wp-content/uploads/2017/06/AES-Decrypt.apk_.zip Now, installing the APK, we can see a button and two text box for decrypt something. Then, let’s take around the code with jadx. Just we need this piece of Java…