Keystore was tampered with, or password was incorrect

Keystore tampered message in Android Studio

The keystore was tampered or password was incorrect , error typically occurs when you try to create signed apk using keystore with the incorrect password or when keystore has been modified in some way.

Open you terminal on Mac and run this command to setup apksigner.

export PATH="$PATH:$HOME/Library/Android/sdk/build-tools/34.0.0"

We will use apksigner later on to verify signed apk alias and other details.

You can also find apksigner in Android Studio -> Preferences -> Android SDK Location -> Build Tool.

Once your apksigner setup is done , you can test it on you terminal with this command. It will print your apksigner version.

apksigner --version

apksigner version

Now go to your keystore.jks file and right click on it and then click on option button. Copy ….. as pathname will appear in the tool tip. Copy the location.

Now we will change keystore password and alias.

Open your terminal and write this command

The KeyStore password and The Key password should be the same.

• Change KeyStore password

keytool -storepasswd -new your_new_password -keystore your_keystore_file_location.jks

Note: Supply old passwords when asked for them

• Change Alias key Password

keytool -keypasswd -alias your_old_alias -new your_new_alias -keystore your_keystore_file_location.jks

Note: Supply old passwords when asked for them

Verify keystore with the updated alias.

keytool -list -keystore your_keystoer_location.jks -storepass new_password -alias new_alias

Create Signed apk with latest alias and password.

Verify your apk with apksigner

apksigner verify --print-certs your.apk