@Override
public void write(int b) throws IOException {
index += blockCipher.processByte((byte) b, buffer, index);
if (index == buffer.length) {
flush();
} else if (index > buffer.length) {
throw new IllegalStateException(
"Cipher buffer overflow, "
+ "buffer size must not exceed block size of 32 bytes "
+ "but was "
+ index);
}
}
