adjustedNonce = new byte[12];
                System.arraycopy(nonce, 0, adjustedNonce, 0, Math.min(12, nonce.length));
            }

            final AEADParameters params = new AEADParameters(keyParam, getAuthTagLength() * 8, adjustedNonce, null);

            cipher.init(encrypt, params);

            return cipher;
        } finally {