SHA

debug

Windows

"C:\Program Files\Android\Android Studio\jre\bin\keytool" -list -v -keystore "%USERPROFILE%.android\debug.keystore" -alias androiddebugkey -storepass android -keypass android

cd android

./gradlew signingReport

MAC

keytool -list -v -keystore ~/.android/debug.keystore -alias androiddebugkey -storepass android -keypass android

keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore -storepass android -keypass android | openssl sha1 -binary | openssl base64

release

MAC

keytool -list -v -keystore {key_file_path} -alias {alias_name}