- private byte[] toBytes(char[] chars) {
- CharBuffer charBuffer = CharBuffer.wrap(chars);
- ByteBuffer byteBuffer = Charset.forName("UTF-8").encode(charBuffer);
- byte[] bytes = Arrays.copyOfRange(byteBuffer.array(),
- byteBuffer.position(), byteBuffer.limit());
- Arrays.fill(charBuffer.array(), '\u0000'); // clear sensitive data
- Arrays.fill(byteBuffer.array(), (byte) 0); // clear sensitive data
- return bytes;
- }
-