diff --git a/webserver/CSR.py b/webserver/CSR.py
new file mode 100644
index 000000000..27eaa704a
--- /dev/null
+++ b/webserver/CSR.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+# use OpenSSL to provide CSR-related operations
+
+def parse(csr):
+    """Is this CSR syntactically valid?"""
+    return True
+
+def goodkey(csr):
+    """Does this CSR's public key comply with our CA policy?"""
+    return True
+
+def pubkey(csr):
+    """Get the public key from this CSR."""
+    return ""
+
+def cn(csr):
+    """Get the common name from this CSR."""
+    return ""
+
+def san(csr):
+    """Get the subject alternate names from this CSR."""
+    return []
+
+def verify(key, data):
+    """What string was validly signed by this public key? (or None)"""
+    return None
+
+def sign(key, data):
+    """Sign this data with this private key.  For client-side use."""
+    return ""