try {
                    byte[] decrypted = KerberosEncData.decrypt(crypt, serverKey, serverKey.getKeyType());
                    this.encData = new KerberosEncData(decrypted, keysByAlgo);
                } catch (GeneralSecurityException e) {
                    throw new PACDecodingException("Decryption failed " + serverKey.getKeyType(), e);
                }
                break;
            default:

     *
     * @throws LoginException if login fails.
     */
    @Test
    void testGetKey_KeyExists() throws LoginException {
        when(key1.getKeyType()).thenReturn(KEY_TYPE_1);
        when(key2.getKeyType()).thenReturn(KEY_TYPE_2);
        Set<Object> privateCredentials = new HashSet<>();
        privateCredentials.add(key1);
        privateCredentials.add(key2);

        for (Object credential : serverPrivateCredentials) {
            if (credential instanceof KerberosKey) {
                if (((KerberosKey) credential).getKeyType() == keyType) {
                    serverKey = (KerberosKey) credential;
                }
            }
        }

        return serverKey;
    }

    /**