From 3e909da42c76cc1bdb85d6c2caa699d6a00b6229 Mon Sep 17 00:00:00 2001
From: Zhi Guan <guanzhi1980@gmail.com>
Date: Sat, 15 Oct 2022 22:08:59 +0800
Subject: [PATCH] Add Apple RNG

---
 src/rand_apple.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/rand_apple.c

diff --git a/src/rand_apple.c b/src/rand_apple.c
new file mode 100644
index 00000000..1c2bb0b8
--- /dev/null
+++ b/src/rand_apple.c
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gmssl/rand.h>
+#include <gmssl/error.h>
+#include <Security/Security.h> // clang -framework Security
+
+
+int rand_bytes(uint8_t *buf, size_t len)
+{
+	int errCode;
+	if ((errCode = SecRandomCopyBytes(kSecRandomDefault, len, buf)) != errSecSuccess) {
+		//CFStringRef errStr;
+		//errStr = SecCopyErrorMessageString(errCode, NULL);
+		//CFRelease(errStr);
+		error_print();
+		return -1;
+	}
+	return 1;
+}
+