diff --git a/cert-request.proto b/cert-request.proto
new file mode 100644
index 0000000..6c81dd6
--- /dev/null
+++ b/cert-request.proto
@@ -0,0 +1,11 @@
+message CertificateRequestMessage {
+	message Name {
+		repeated bytes components = 8;
+	}
+	message CertificateRequest {
+		required Name keyName = 220;
+        required uint32 keyType = 221;
+        required bytes keyBits = 222;
+	}
+	required CertificateRequest command = 223;
+}