/**
* Generate the Initialization Vector from seed bytes
*
* @param seed the seed
* @return correct padded IV for AES use
*/
protected byte[] getIv(String seed) {
try {
return cryptoHelper.fixIv(seed.getBytes("utf-8"));
} catch (UnsupportedEncodingException e) {
// weird, hardcoded UTF-8
throw new RuntimeException(e);
}
}
