isabled>
            <span class="static-name form-control" data-bind="text: certificateAsBase64() ? '<certificate>' : 'Select file...'"></span>
            <span class="input-group-btn">
                <label for="filePicker" class="btn btn-default">
                    <i class="icon-document"></i>
                    <span>Browse</span>
                </label>
            </span>
            <p class="help-block" data-bind="validationMessage: certificateAsBase64"></p>
        </div>
    </div