*
     * @param bytesLimit maximum bytes to encrypt before rotation (0 to disable)
     * @param timeMillis maximum time in milliseconds before rotation (0 to disable)
     */
    public void setKeyRotationLimits(long bytesLimit, long timeMillis) {
        if (bytesLimit > 0) {
            this.keyRotationBytesLimit = bytesLimit;
        }
        if (timeMillis > 0) {
            this.keyRotationTimeLimit = timeMillis;