- Added cert_app application

diff --git a/programs/x509/CMakeLists.txt b/programs/x509/CMakeLists.txt
new file mode 100644
index 0000000..3078fd5
--- /dev/null
+++ b/programs/x509/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(cert_app cert_app.c)
+target_link_libraries(cert_app polarssl)