diff --git a/jitterentropy-library-3f7b6cc.tar.gz b/jitterentropy-library-3f7b6cc.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..b93ef4733d81118e6ab2f1c03a20ee0fbfbf2114
Binary files /dev/null and b/jitterentropy-library-3f7b6cc.tar.gz differ
diff --git a/jitterentropy-remove-install.patch b/jitterentropy-remove-install.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f0dd90f640010dc2b8c1005ec1e6dd58175abadd
--- /dev/null
+++ b/jitterentropy-remove-install.patch
@@ -0,0 +1,20 @@
+diff -up ./jitterentropy-library/Makefile.makefile ./jitterentropy-library/Makefile
+--- ./jitterentropy-library/Makefile.makefile	2018-07-09 13:23:31.000000000 -0400
++++ ./jitterentropy-library/Makefile	2018-07-16 11:36:25.543791453 -0400
+@@ -44,13 +44,10 @@ scan:	$(OBJS)
+ 	scan-build --use-analyzer=/usr/bin/clang $(CC) -shared -Wl,-soname,lib$(NAME).so.$(LIBMAJOR) -o lib$(NAME).so.$(LIBVERSION) $(OBJS) $(LDFLAGS)
+ 
+ install:
+-	install -d -m 0755 $(DESTDIR)$(PREFIX)/share/man/man3
+-	install -m 644 doc/$(NAME).3 $(DESTDIR)$(PREFIX)/share/man/man3/
+-	gzip -9 $(DESTDIR)$(PREFIX)/share/man/man3/$(NAME).3
+-	install -d -m 0755 $(DESTDIR)$(PREFIX)/$(LIBDIR)
+-	install -m 0755 -s lib$(NAME).so.$(LIBVERSION) $(DESTDIR)$(PREFIX)/$(LIBDIR)/
++
++clean:
++	@- $(RM) $(NAME)
+ 	$(RM) $(DESTDIR)$(PREFIX)/$(LIBDIR)/lib$(NAME).so.$(LIBMAJOR)
+-	ln -s lib$(NAME).so.$(LIBVERSION) $(DESTDIR)$(PREFIX)/$(LIBDIR)/lib$(NAME).so.$(LIBMAJOR)
+ 
+ clean:
+ 	@- $(RM) $(NAME)
diff --git a/rng-tools.spec b/rng-tools.spec
index 8990111a3dd59373c000c99e04913fd8f38b0652..92ea776f2ff347dfda284bfcddc8d9450069c315 100644
--- a/rng-tools.spec
+++ b/rng-tools.spec
@@ -1,11 +1,14 @@
 Name:            rng-tools
 Version:         6.3.1
-Release:         3
+Release:         4
 Summary:         Random number generator daemon
 License:         GPLv2+
 URL:             https://github.com/nhorman/rng-tools
 Source0:         https://github.com/nhorman/rng-tools/archive/v%{version}.tar.gz
 Source1:         rngd.service
+Source2:         jitterentropy-library-3f7b6cc.tar.gz
+
+Patch0:          jitterentropy-remove-install.patch
 
 #Dependency
 BuildRequires:   gcc make gettext systemd autoconf automake
@@ -20,7 +23,7 @@ and supplies entropy from them to the system kernel's /dev/random machinery.
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version}
+%autosetup -n %{name}-%{version} -a 2 -p1
 
 %build
 ./autogen.sh
@@ -56,5 +59,8 @@ install -D -t $RPM_BUILD_ROOT%{_unitdir} -m 0644 %{SOURCE1}
 %{_mandir}/man8/rngd.8.*
 
 %changelog
+* Fri Oct 11 2019 openEuler Buildteam <buildteam@openeuler.org> - 6.3.1-4
+- add jitterentropy support
+
 * Wed Feb 19 2020 wanjiankang <wanjiankang@huawei.com> - 6.3.1-3
 - Package init