byte[] seed = new byte[labelBytes.length + nonce.length];
System.arraycopy(labelBytes, 0, seed, 0, labelBytes.length);
System.arraycopy(nonce, 0, seed, labelBytes.length, nonce.length);
this.keyBytes = algo.createKey(this.secret, seed, offset, length);
} catch (Exception e) {
throw new WSSecurityException(
WSSecurityException.FAILURE, null, null, e
);