diff --git a/regress/keygen-convert.sh b/regress/keygen-convert.sh
new file mode 100644
index 000000000..ad0e9c637
--- /dev/null
+++ b/regress/keygen-convert.sh
@@ -0,0 +1,33 @@
+#	$OpenBSD: keygen-convert.sh,v 1.1 2009/11/09 04:20:04 dtucker Exp $
+#	Placed in the Public Domain.
+
+tid="convert keys"
+
+for t in rsa dsa; do
+	# generate user key for agent
+	trace "generating $t key"
+	rm -f $OBJ/$t-key
+	${SSHKEYGEN} -q -N "" -t $t -f $OBJ/$t-key
+
+	trace "export $t private to rfc4716 public"
+	${SSHKEYGEN} -q -e -f $OBJ/$t-key >$OBJ/$t-key-rfc || \
+	    fail "export $t private to rfc4716 public"
+
+	trace "export $t public to rfc4716 public"
+	${SSHKEYGEN} -q -e -f $OBJ/$t-key.pub >$OBJ/$t-key-rfc.pub || \
+	    fail "$t public to rfc4716 public"
+
+	cmp $OBJ/$t-key-rfc $OBJ/$t-key-rfc.pub || \
+	    fail "$t rfc4716 exports differ between public and private"
+
+	trace "import $t rfc4716 public"
+	${SSHKEYGEN} -q -i -f $OBJ/$t-key-rfc >$OBJ/$t-rfc-imported || \
+	    fail "$t import rfc4716 public"
+
+	cut -f1,2 -d " " $OBJ/$t-key.pub >$OBJ/$t-key-nocomment.pub
+	cmp $OBJ/$t-key-nocomment.pub $OBJ/$t-rfc-imported || \
+	    fail "$t imported differs from original"
+
+	rm -f $OBJ/$t-key $OBJ/$t-key.pub $OBJ/$t-key-rfc $OBJ/$t-key-rfc.pub \
+	    $OBJ/$t-rfc-imported $OBJ/$t-key-nocomment.pub
+done