--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/listutil.h	Thu Feb 20 15:44:09 2014 +0000
@@ -0,0 +1,48 @@
+#ifndef LISTUTIL_H
+#define LISTUTIL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+
+/**
+ * @file listutil.h
+ * @brief Functions to work with the certificate list.
+ */
+
+/**
+ * @brief Status of the List Operations
+ */
+typedef enum {
+    UnknownValidity = 0, // Not yet parsed
+    UnknownError = 1, // The expected unexpected
+    TooLarge = 2, // Failed because the file exeeds the limit
+    InvalidFormat = 3, // File does not appear to be in list format
+    InvalidSignature = 4, // Signature was invalid
+    StatFailed = 5, // Could not stat the file
+    ReadFailed = 6, // Could not read the file
+    IncompatibleVersion = 7, // The Format Version does not match
+    Valid = 8 // List is valid
+} list_status_t;
+
+/**
+ * @brief Obtain the complete and verified Certificate list.
+ *
+ * This checks if the file fileName is a valid certificate
+ * list signed by the key specified in pubkey.h
+ *
+ * The caller has to free data.
+ *
+ * @param[in] fileName Name of the file (UTF-8 encoded).
+ * @param[out] data Newly allocated pointer to the file content.
+ * @param[out] size Size in Bytes of the file content.
+ *
+ * @return status of the operation.
+ */
+list_status_t readAndVerifyList(const char *fileName, char **data, size_t *size);
+#ifdef __cplusplus
+}
+#endif
+#endif