Fix name. Use existing directory check.

Review URL: http://codereview.chromium.org/2805051
diff --git a/tests/gen_test_vbpubks.sh b/tests/gen_test_vbpubks.sh
new file mode 100755
index 0000000..995a48b
--- /dev/null
+++ b/tests/gen_test_vbpubks.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Generate test vboot public keys and keyblocks for testing.
+
+# Load common constants and variables.
+. "$(dirname "$0")/common.sh"
+
+function generate_vpubks {
+  algorithmcounter=0
+  for keylen in ${key_lengths[@]}
+  do
+    for hashalgo in ${hash_algos[@]}
+    do
+      ${UTIL_DIR}/vbutil_key --pack \
+        --in ${TESTKEY_DIR}/key_rsa${keylen}.keyb \
+        --out ${TESTKEY_DIR}/key_rsa${keylen}.${hashalgo}.vbpubk \
+        --version 1 \
+        --algorithm ${algorithmcounter}
+      let algorithmcounter=algorithmcounter+1
+    done
+  done
+}
+
+check_test_keys
+generate_vpubks