diff --git a/dim.spec b/dim.spec
index eb2fedb75f34c2c636e6b7ac69b55a8c1f7f03f8..77bf0407b9678715ec7e5d2ae0af39be140b29ee 100644
--- a/dim.spec
+++ b/dim.spec
@@ -1,10 +1,28 @@
 %global debug_package %{nil}
 %define kernel_version %(ver=`rpm -qa|grep kernel-devel`;echo ${ver#*kernel-devel-})
 
+# Redefining __spec_install_post, Causes the kernel
+# module to be signed at the end of the install phase
+%if 0%{?openEuler_sign_rsa}
+%global __modsign_install_post \
+module_path="$RPM_BUILD_ROOT/lib/modules/%{kernel_version}/extra/dim" \
+sh /usr/lib/rpm/brp-ebs-sign --module $module_path/dim_core.ko ||: \
+mv $module_path/dim_core.ko.sig $module_path/dim_core.ko ||: \
+sh /usr/lib/rpm/brp-ebs-sign --module $module_path/dim_monitor.ko ||: \
+mv $module_path/dim_monitor.ko.sig $module_path/dim_monitor.ko ||: \
+%{nil}
+
+%global __tmp_spec_install_post %{__spec_install_post}
+%global __spec_install_post \
+%{__tmp_spec_install_post} \
+%{__modsign_install_post} \
+%{nil}
+%endif
+
 Name         :  dim
 Summary      :  Dynamic Integrity Measurement
 Version      :  1.0.2
-Release      :  8
+Release      :  9
 License      :  GPL-2.0
 Source0      :  %{name}-v%{version}.tar.gz
 BuildRequires:  kernel-devel kernel-headers
@@ -98,6 +116,9 @@ rm -rf %{buildroot}
 %attr(0400,root,root) /lib/modules/%{kernel_version}/extra/dim/dim_monitor.ko
 
 %changelog
+* Wed Nov 13 2024 jinlun <jinlun@huawei.com> 1.0.2-9
+- add signature for dim
+
 * Mon Aug 19 2024 gengqihu <gengqihu2@h-partners.com> 1.0.2-8
 - Enabled DIM_HASH_SUPPORT_SM3