1 files changed, 33 insertions, 0 deletions
diff --git a/util/cbfstool/cbfs_hash.c b/util/cbfstool/cbfs_hash.c
new file mode 100644
index 0000000000..332a59b35d
--- /dev/null
+++ b/util/cbfstool/cbfs_hash.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <commonlib/cbfs.h>
+#include <commonlib/region.h>
+
+int cbfs_calculate_hash(void *cbfs, size_t cbfs_sz,
+			enum vb2_hash_algorithm hash_algo,
+			void *digest, size_t digest_sz);
+
+int cbfs_calculate_hash(void *cbfs, size_t cbfs_sz,
+			enum vb2_hash_algorithm hash_algo,
+			void *digest, size_t digest_sz)
+{
+	struct mem_region_device mdev;
+
+	mem_region_device_init(&mdev, cbfs, cbfs_sz);
+
+	return cbfs_vb2_hash_contents(&mdev.rdev,
+				hash_algo, digest, digest_sz);
+}