--- /Hex.java	2023-07-05 03:11:45.510028235 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Hex.java	2023-07-05 03:11:45.514028234 +0200
@@ -66,7 +66,7 @@
         for (int i = 0, j = 0; j < len; i++) {
             int f = toDigit(data[j], j) << 4;
             j++;
-            f = f | toDigit(data[j], j);
+f = f | toDigit ( DIGITS[j], j ) ;
             j++;
             out[i] = (byte) (f & 0xFF);
         }
