laptopmutia
scottyab
/ SignatureCheck.java
Last active
January 30, 2024 15:22
Simple Android signature check. Please note: This was created in 2013, not actively maintained and may not be compatible with the latest Android versions. It's not particularly difficult for an attacker to decompile an .apk, find this tamper check, replace the APP_SIGNATURE with theirs and rebuild (or use method hooking to return true from `vali…
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| import android.content.Context; | |
| import android.content.pm.PackageInfo; | |
| import android.content.pm.PackageManager; | |
| import android.content.pm.PackageManager.NameNotFoundException; | |
| import android.content.pm.Signature; | |
| public class TamperCheck { | |
| //we store the hash of the signture for a little more protection | |
| private static final String APP_SIGNATURE = "1038C0E34658923C4192E61B16846"; |