- private byte[] toBytes(char[] chars) {
- CharBuffer charBuffer = CharBuffer.wrap(chars);
- ByteBuffer byteBuffer = StandardCharsets.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;
- }
-
- private char[] toChars(Object obj) {
- if (obj instanceof char[])
- return (char[]) obj;
- if (!(obj instanceof byte[]))
- throw new IllegalArgumentException(obj.getClass() + " is not a byte array");
- ByteBuffer fromBuffer = ByteBuffer.wrap((byte[]) obj);
- CharBuffer toBuffer = StandardCharsets.UTF_8.decode(fromBuffer);
- char[] res = Arrays.copyOfRange(toBuffer.array(), toBuffer.position(), toBuffer.limit());
- Arrays.fill(fromBuffer.array(), (byte) 0); // clear sensitive data
- Arrays.fill((byte[]) obj, (byte) 0); // clear sensitive data
- Arrays.fill(toBuffer.array(), '\u0000'); // clear sensitive data
- return res;
- }
-
+ // private byte[] toBytes(char[] chars) {
+ // CharBuffer charBuffer = CharBuffer.wrap(chars);
+ // ByteBuffer byteBuffer = StandardCharsets.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;
+ // }
+ //
+ // private char[] toChars(Object obj) {
+ // if (obj instanceof char[])
+ // return (char[]) obj;
+ // if (!(obj instanceof byte[]))
+ // throw new IllegalArgumentException(obj.getClass() + " is not a byte array");
+ // ByteBuffer fromBuffer = ByteBuffer.wrap((byte[]) obj);
+ // CharBuffer toBuffer = StandardCharsets.UTF_8.decode(fromBuffer);
+ // char[] res = Arrays.copyOfRange(toBuffer.array(), toBuffer.position(),
+ // toBuffer.limit());
+ // Arrays.fill(fromBuffer.array(), (byte) 0); // clear sensitive data
+ // Arrays.fill((byte[]) obj, (byte) 0); // clear sensitive data
+ // Arrays.fill(toBuffer.array(), '\u0000'); // clear sensitive data
+ // return res;
+ // }
+ //