Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_keychain / lib / SecRandomP.h

diff --git a/Security/libsecurity_keychain/lib/SecRandomP.h b/Security/libsecurity_keychain/lib/SecRandomP.h
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+/*
+ * Copyright (c) 2007-2009,2011 Apple Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*!
+       @header SecRandomP
+    Provides an additional CFDataRef returning random function
+ */
+
+#ifndef _SECURITY_SECRANDOMP_H_
+#define _SECURITY_SECRANDOMP_H_
+
+#include <Security/SecBase.h>
+#include <stdint.h>
+#include <sys/types.h>
+#if SEC_BUILDER
+#include "SecRandom.h"
+#else
+#include <Security/SecRandom.h>
+#endif
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ @function SecRandomCopyData
+ @abstract Return count random bytes as a CFDataRef.
+ @result Returns CFDataRef on success or NULL if something went wrong.
+ */
+
+CFDataRef
+SecRandomCopyData(SecRandomRef rnd, size_t count)
+__OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* !_SECURITY_SECRANDOM_H_ */