SHA* digest function speed test.

src/platform/vboot_reference/tests/timer_utils.h

Index: src/platform/vboot_reference/tests/timer_utils.h
diff --git a/src/platform/vboot_reference/tests/timer_utils.h b/src/platform/vboot_reference/tests/timer_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..95eb8c77b099ac0e15f7c97ae9dedcf722e372d5
--- /dev/null
+++ b/src/platform/vboot_reference/tests/timer_utils.h
@@ -0,0 +1,26 @@
+/* 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.
+ */
+
+#ifndef VBOOT_REFERENCE_TIMER_UTILS_H_
+#define VBOOT_REFERENCE_TIMER_UTILS_H_
+
+#include <inttypes.h>
+#include <time.h>
+
+typedef struct ClockTimer {
+  struct timespec start_time;
+  struct timespec end_time;
+} ClockTimerState;
+
+/* Start timer and update [ct]. */
+void StartTimer(ClockTimerState* ct);
+
+/* Stop timer and update [ct]. */
+void StopTimer(ClockTimerState* ct);
+
+/* Get duration in milliseconds. */
+uint32_t GetDurationMsecs(ClockTimerState* ct);
+
+#endif  /* VBOOT_REFERENCE_TIMER_UTILS_H_ */