Arrays::getLength: include 'from' in exception message

Use append to add 'from' value to the ByteBuffer.
This avoids accidentally interpreting it as initial buffer capacity in the constructor.

Signed-off-by: Josua Mayer <[email protected]>

Author: Artox

core/src/main/java/org/bouncycastle/util/Arrays.java

@@ -895,8 +895,8 @@ private static int getLength(int from, int to)
         int newLength = to - from;
         if (newLength < 0)
         {
-            StringBuffer sb = new StringBuffer(from);
-            sb.append(" > ").append(to);
+            StringBuffer sb = new StringBuffer();
+            sb.append(from).append(" > ").append(to);
             throw new IllegalArgumentException(sb.toString());
         }
         return newLength;