--- /dev/null
+//
+// der_date.h
+// utilities
+//
+// Created by Michael Brouwer on 7/9/12.
+// Copyright (c) 2012 Apple Inc. All rights reserved.
+//
+
+#ifndef _UTILITIES_DER_DATE_H_
+#define _UTILITIES_DER_DATE_H_
+
+#include <CoreFoundation/CoreFoundation.h>
+
+const uint8_t* der_decode_generalizedtime_body(CFAbsoluteTime *at, CFErrorRef *error,
+ const uint8_t* der, const uint8_t *der_end);
+const uint8_t* der_decode_universaltime_body(CFAbsoluteTime *at, CFErrorRef *error,
+ const uint8_t* der, const uint8_t *der_end);
+
+size_t der_sizeof_generalizedtime(CFAbsoluteTime at, CFErrorRef *error);
+uint8_t* der_encode_generalizedtime(CFAbsoluteTime at, CFErrorRef *error,
+ const uint8_t *der, uint8_t *der_end);
+
+size_t der_sizeof_generalizedtime_body(CFAbsoluteTime at, CFErrorRef *error);
+uint8_t* der_encode_generalizedtime_body(CFAbsoluteTime at, CFErrorRef *error,
+ const uint8_t *der, uint8_t *der_end);
+
+#endif /* _UTILITIES_DER_DATE_H_ */