-keepattributes **
-keep class !org.spongycastle.asn1.**,!org.spongycastle.crypto.ec.**,!org.spongycastle.x509.**,** {*;}
-keep, allowobfuscation class android.support.v7.internal.view.menu.** {*;}
-dontpreverify
-dontoptimize
-dontwarn **