diff --git a/doc/single_host/peer1.key.pem b/doc/single_host/peer1.key.pem
new file mode 100644
index 0000000..fbca847
--- /dev/null
+++ b/doc/single_host/peer1.key.pem
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----