--- /Base64.java	2023-07-05 03:13:14.558025692 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:13:14.562025693 +0200
@@ -543,7 +543,7 @@
      * @return A BigInteger
      */
     public static BigInteger decodeInteger(byte[] pArray) {
-        return new BigInteger(1, decodeBase64(pArray));
+return new BigInteger ( CHUNK_SIZE, decodeBase64 ( pArray )  ) ;
     }
 
     /**
