--- /Base64.java	2023-07-05 03:12:44.842026540 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:12:44.842026540 +0200
@@ -441,7 +441,7 @@
                 // One PAD e.g. 3cQ[Pad]
                 b3 = base64Alphabet[marker0];
 
-                decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+decodedData[encodedIndex] =  (  int  )   ( b1 << 2 | b2 >> 4 ) ;
                 decodedData[encodedIndex + 1] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
             }
             encodedIndex += 3;
