diff --git a/OpenCC-ver.1.0.5.tar.gz b/OpenCC-ver.1.0.5.tar.gz
new file mode 100644
index 0000000..0d54bde
Binary files /dev/null and b/OpenCC-ver.1.0.5.tar.gz differ
diff --git a/opencc-check-bounds.patch b/opencc-check-bounds.patch
new file mode 100644
index 0000000..9ed7c20
--- /dev/null
+++ b/opencc-check-bounds.patch
@@ -0,0 +1,35 @@
+Index: OpenCC-ver.1.0.5/src/BinaryDict.cpp
+===================================================================
+--- OpenCC-ver.1.0.5.orig/src/BinaryDict.cpp
++++ OpenCC-ver.1.0.5/src/BinaryDict.cpp
+@@ -63,6 +63,12 @@ void BinaryDict::SerializeToFile(FILE* f
+ }
+ 
+ BinaryDictPtr BinaryDict::NewFromFile(FILE* fp) {
++  size_t offsetBound, savedOffset;
++  savedOffset = ftell(fp);
++  fseek(fp, 0L, SEEK_END);
++  offsetBound = ftell(fp) - savedOffset;
++  fseek(fp, savedOffset, SEEK_SET);
++
+   BinaryDictPtr dict(new BinaryDict(LexiconPtr(new Lexicon)));
+ 
+   // Number of items
+@@ -109,7 +115,7 @@ BinaryDictPtr BinaryDict::NewFromFile(FI
+     // Key offset
+     size_t keyOffset;
+     unitsRead = fread(&keyOffset, sizeof(size_t), 1, fp);
+-    if (unitsRead != 1) {
++    if (unitsRead != 1 || keyOffset >= offsetBound) {
+       throw InvalidFormat("Invalid OpenCC binary dictionary (keyOffset)");
+     }
+     const char* key = dict->keyBuffer.c_str() + keyOffset;
+@@ -118,7 +124,7 @@ BinaryDictPtr BinaryDict::NewFromFile(FI
+     for (size_t j = 0; j < numValues; j++) {
+       size_t valueOffset;
+       unitsRead = fread(&valueOffset, sizeof(size_t), 1, fp);
+-      if (unitsRead != 1) {
++      if (unitsRead != 1 || valueOffset >= offsetBound) {
+         throw InvalidFormat("Invalid OpenCC binary dictionary (valueOffset)");
+       }
+       const char* value = dict->valueBuffer.c_str() + valueOffset;
diff --git a/opencc-fixes-cmake.patch b/opencc-fixes-cmake.patch
new file mode 100644
index 0000000..c70ce95
--- /dev/null
+++ b/opencc-fixes-cmake.patch
@@ -0,0 +1,26 @@
+Index: OpenCC-ver.1.0.5/CMakeLists.txt
+===================================================================
+--- OpenCC-ver.1.0.5.orig/CMakeLists.txt
++++ OpenCC-ver.1.0.5/CMakeLists.txt
+@@ -68,7 +68,7 @@ set (DIR_PREFIX ${CMAKE_INSTALL_PREFIX})
+ set (DIR_INCLUDE ${DIR_PREFIX}/include/)
+ set (DIR_SHARE ${DIR_PREFIX}/share/)
+ set (DIR_ETC ${DIR_PREFIX}/etc/)
+-set (DIR_LIBRARY ${DIR_PREFIX}/lib${LIB_SUFFIX}/)
++set (DIR_LIBRARY ${LIB_INSTALL_DIR})
+ 
+ if (DEFINED SHARE_INSTALL_PREFIX)
+   set (DIR_SHARE ${SHARE_INSTALL_PREFIX})
+Index: OpenCC-ver.1.0.5/data/CMakeLists.txt
+===================================================================
+--- OpenCC-ver.1.0.5.orig/data/CMakeLists.txt
++++ OpenCC-ver.1.0.5/data/CMakeLists.txt
+@@ -1,6 +1,6 @@
+ set(OPENCC_DICT_BIN opencc_dict)
+-set(DICT_MERGE_BIN python ${CMAKE_CURRENT_SOURCE_DIR}/scripts/merge.py)
+-set(DICT_REVERSE_BIN python ${CMAKE_CURRENT_SOURCE_DIR}/scripts/reverse.py)
++set(DICT_MERGE_BIN python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/merge.py)
++set(DICT_REVERSE_BIN python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/reverse.py)
+ set(DICT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/dictionary)
+ set(DICT_GENERATED_DIR ${CMAKE_CURRENT_BINARY_DIR})
+ 
diff --git a/opencc.spec b/opencc.spec
new file mode 100644
index 0000000..46d2649
--- /dev/null
+++ b/opencc.spec
@@ -0,0 +1,71 @@
+Name:           opencc
+Version:        1.0.5
+Release:        4
+Summary:        Simplified Chinese Traditional Conversion Library
+License:        ASL 2.0
+URL:            https://github.com/BYVoid/OpenCC
+Source0:        https://github.com/BYVoid/OpenCC/archive/ver.%{version}.tar.gz#/OpenCC-ver.%{version}.tar.gz
+Patch0001:      opencc-fixes-cmake.patch
+Patch0002:      opencc-check-bounds.patch
+
+Provides:       %{name}-tools = %{version}-%{release}
+Obsoletes:      %{name}-tools < %{version}-%{release}
+BuildRequires:  gcc-c++ gettext cmake doxygen python3
+
+%description
+Opencc is for between Traditional Chinese and Simplified Chinese characters and phrases conversion library.
+
+%package     devel
+Summary:     Development files for OpenCC
+Requires:    %{name} = %{version}-%{release}
+
+%description devel
+This package contains libraries and header files for developing applications that use opencc.
+
+%package     help
+Summary:     Documentation for opencc
+Requires:    %{name} = %{version}-%{release}
+Provides:    %{name}-doc = %{version}-%{release}
+Obsoletes:   %{name}-doc < %{version}-%{release}
+
+%description help
+This package provides documentation for opencc.
+
+%prep
+%autosetup -n OpenCC-ver.%{version} -p1
+
+%build
+%cmake . -DENABLE_GETTEXT:BOOL=ON -DBUILD_DOCUMENTATION:BOOL=ON
+%make_build VERBOSE=1
+
+%install
+%make_install
+
+%check
+ctest
+
+%post
+/sbin/ldconfig
+
+%postun
+/sbin/ldconfig
+
+%files
+%doc AUTHORS LICENSE README.md
+%{_libdir}/lib*.so.*
+%{_datadir}/opencc/
+%{_bindir}/*
+%exclude %{_datadir}/opencc/doc
+%exclude %{_libdir}/*.a
+
+%files devel
+%{_includedir}/*
+%{_libdir}/*.so
+%{_libdir}/pkgconfig/*.pc
+
+%files help
+%{_datadir}/opencc/doc
+
+%changelog
+* Thu Dec 12 2019 fengbing <fengbing7@huawei.com> - 1.0.5-4
+- Package init