in src/main/java/org/apache/commons/crypto/cipher/OpenSslCipher.java [235:248]
public void updateAAD(final byte[] aad) throws IllegalArgumentException,
IllegalStateException, UnsupportedOperationException {
if (aad == null) {
throw new IllegalArgumentException("aad buffer is null");
}
if (!initialized) {
throw new IllegalStateException("Cipher not initialized");
}
if (aad.length == 0) {
return;
}
openSslEngine.updateAAD(aad);
}