How to find if two apks are signed with same keys?

Question

I want to know how two different apk files are signed with same key in Android.

possible duplicate of [How to get app signature?](http://stackoverflow.com/questions/5578871/how-to-get-app-signature) — , Apr 17 '14 at 12:06

score 4 · Answer 1 · answered Apr 24 '14 at 16:34

4

Unpack both APKs, and run

keytool -printcert -file META-INF/yourfile.RSA

Then, compare the fingerprints, if they are the same, the keys were the same.

answered Apr 24 '14 at 16:34

derFunk

1,548
2
19
31

score 0 · Answer 2 · answered Apr 17 '14 at 12:37

Use PackageManager.getPackageInfo() passing GET_SIGNATURES as the flags for each of the applications.

The PachageInfo.signatures arrays can then be deep compared for equality - that is to say call equals() on each of the corresponding items in the two arrays.

How to find if two apks are signed with same keys?

2 Answers2