diff --git a/lib/gssapi/mech/gssapi.asn1 b/lib/gssapi/mech/gssapi.asn1
new file mode 100644
index 000000000..6fd508995
--- /dev/null
+++ b/lib/gssapi/mech/gssapi.asn1
@@ -0,0 +1,12 @@
+-- $Id$
+
+GSS-API DEFINITIONS ::= BEGIN
+
+IMPORTS heim_any FROM heim;
+
+GSSAPIContextToken ::= [APPLICATION 0] SEQUENCE {
+	thisMech OBJECT IDENTIFIER,
+	innerContextToken heim_any
+}
+
+END
\ No newline at end of file