Add support for SHAKE128-256 and SHAKE256-512 to DigestUtils and

`MessageDigestAlgorithms` on Java 25 and up

Author: garydgregory

src/test/java/org/apache/commons/codec/digest/Binary.java

@@ -34,8 +34,8 @@ static byte[] toByteArray(final String binary) {
             throw new IllegalArgumentException(String.format("Binary string length must be a multiple of %,d.", Byte.SIZE));
         }
         final byte[] byteArray = new byte[inLen / Byte.SIZE];
-        for (int i = 0; i < byteArray.length; i += Byte.SIZE) {
-            byteArray[i] = (byte) Integer.parseInt(binary.substring(i, i + Byte.SIZE), RADIX);
+        for (int i = 0, j = 0; i < byteArray.length; i++, j += Byte.SIZE) {
+            byteArray[i] = (byte) Integer.parseInt(binary.substring(j, j + Byte.SIZE), RADIX);
         }
         return byteArray;
     }

src/test/java/org/apache/commons/codec/digest/DigestUtilsTest.java

@@ -853,7 +853,7 @@ void testShaHex() throws IOException {
     void testShake128_256(final String binaryInputText, final int inputBitSize, final String hexOutputText) throws Exception {
         final String cleanBinary = clean(binaryInputText);
         final String cleanBinaryInput = StringUtils.reverse(cleanBinary);
-        final byte[] bytesInput = inputBitSize > 0 ? Binary.toByteArray(cleanBinaryInput) : ArrayUtils.EMPTY_BYTE_ARRAY;
+        final byte[] bytesInput = Binary.toByteArray(cleanBinaryInput);
         // sanity check on the test fixture
         assertEquals(inputBitSize, bytesInput.length * Byte.SIZE);
         final String resultString = clean(hexOutputText).substring(0, SHAKE128_256_BYTE_LEN * 2);
@@ -892,7 +892,7 @@ void testShake128_256_String() throws Exception {
     void testShake256_512(final String binaryInputText, final int inputBitSize, final String hexOutputText) throws Exception {
         final String cleanBinary = clean(binaryInputText);
         final String cleanBinaryInput = StringUtils.reverse(cleanBinary);
-        final byte[] bytesInput = inputBitSize > 0 ? Binary.toByteArray(cleanBinaryInput) : ArrayUtils.EMPTY_BYTE_ARRAY;
+        final byte[] bytesInput = Binary.toByteArray(cleanBinaryInput);
         // sanity check on the test fixture
         assertEquals(inputBitSize, bytesInput.length * Byte.SIZE);
         final String resultString = clean(hexOutputText).substring(0, SHAKE128_512_BYTE_LEN * 2);