From 61c1baa4bf5a97675187a37cf203e1937a060daa Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Thu, 31 Jan 2019 01:05:19 +0100
Subject: Windows: use CPU RDRAND or RDSEED as an additional entropy source for
 our random generator when available

---
 src/Crypto/rdrand.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/Crypto/rdrand.h

(limited to 'src/Crypto/rdrand.h')

diff --git a/src/Crypto/rdrand.h b/src/Crypto/rdrand.h
new file mode 100644
index 00000000..ff8cfd29
--- /dev/null
+++ b/src/Crypto/rdrand.h
@@ -0,0 +1,26 @@
+#ifndef HEADER_Crypto_RDRAND
+#define HEADER_Crypto_RDRAND
+
+#include "Common/Tcdefs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * generate bufLen random bytes using CPU RDRAND instruction
+ * return 1 in case of success and 0 in case of failure
+ */
+int RDRAND_getBytes(unsigned char* buf, size_t bufLen);
+
+/*
+ * generate bufLen random bytes using CPU RDSEED instruction
+ * return 1 in case of success and 0 in case of failure
+ */
+int RDSEED_getBytes(unsigned char* buf, size_t bufLen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
-- 
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