+ final private static char[] hexArray = "0123456789abcdef".toCharArray();
+
+ /**
+ * From
+ * http://stackoverflow.com/questions/9655181/how-to-convert-a-byte-array-to
+ * -a-hex-string-in-java
+ */
+ public static String encodeHexString(byte[] bytes) {
+ char[] hexChars = new char[bytes.length * 2];
+ for (int j = 0; j < bytes.length; j++) {
+ int v = bytes[j] & 0xFF;
+ hexChars[j * 2] = hexArray[v >>> 4];
+ hexChars[j * 2 + 1] = hexArray[v & 0x0F];
+ }
+ return new String(hexChars);
+ }
+
+ private DigestUtils() {
+ }