diff --git a/native-tls/examples/identity.p12 b/native-tls/examples/identity.p12
new file mode 100644
index 0000000000..1d50ac53c9
--- /dev/null
+++ b/native-tls/examples/identity.p12
@@ -0,0 +1,2 @@
+replace this file with a pkcs12 file. for development use, install mkcert and run
+`mkcert -pkcs12 -p12-file identity.p12 localhost 127.0.0.1 ::1`
diff --git a/rustls/examples/cert.pem b/rustls/examples/cert.pem
new file mode 100644
index 0000000000..b5cff74022
--- /dev/null
+++ b/rustls/examples/cert.pem
@@ -0,0 +1,2 @@
+replace this file with a cert file in pem format. for development use, install mkcert and run
+mkcert -key-file key.pem -cert-file cert.pem localhost 127.0.0.1 ::1
diff --git a/rustls/examples/key.pem b/rustls/examples/key.pem
new file mode 100644
index 0000000000..54ec9c704a
--- /dev/null
+++ b/rustls/examples/key.pem
@@ -0,0 +1,2 @@
+replace this file with a pkcs8 key file. for development use, install mkcert and run
+`mkcert -key-file key.pem -cert-file cert.pem localhost 127.0.0.1 ::1`