--- ../platform-tools-29.0.2/src/main/java/com/android/apksig/internal/asn1/Asn1BerParser.java	2020-07-16 21:18:25.186996621 +0800
+++ ../com/android/apksig/internal/asn1/Asn1BerParser.java	2020-07-16 21:17:19.166996646 +0800
@@ -26,6 +26,7 @@
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.math.BigInteger;
+import java.math.BigDecimal;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -506,7 +507,8 @@
     }
 
     private static int integerToInt(ByteBuffer encoded) throws Asn1DecodingException {
-        BigInteger value = integerToBigInteger(encoded);
+        BigInteger prevalue = integerToBigInteger(encoded);
+        BigDecimal value = new BigDecimal(prevalue);
         try {
             return value.intValueExact();
         } catch (ArithmeticException e) {
@@ -516,7 +518,8 @@
     }
 
     private static long integerToLong(ByteBuffer encoded) throws Asn1DecodingException {
-        BigInteger value = integerToBigInteger(encoded);
+        BigInteger prevalue = integerToBigInteger(encoded);
+        BigDecimal value = new BigDecimal(prevalue);
         try {
             return value.longValueExact();
         } catch (ArithmeticException e) {