Add a new facility that handles entropy abstraction

1 files changed, 19 insertions, 0 deletions

diff --git a/ot_random.h b/ot_random.h
new file mode 100644
index 0000000..5200dbc
--- /dev/null
+++ b/ot_random.h
@@ -0,0 +1,19 @@
+/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
+   It is considered beerware. Prost. Skol. Cheers or whatever.
+
+   $id$ */
+
+#ifndef OT_RANDOM_H__
+#define OT_RANDOM_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+/* Seed whatever generator the build settled on. A no-op when backed by
+   arc4random, which seeds itself from the kernel. */
+void     random_init(void);
+
+uint32_t random_uint32(void);
+void     random_bytes(void *buf, size_t len);
+
+#endif