Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_cdsa_utilities / lib / uniformrandom.h

diff --git a/Security/libsecurity_cdsa_utilities/lib/uniformrandom.h b/Security/libsecurity_cdsa_utilities/lib/uniformrandom.h
new file mode 100644 (file)
index 0000000..ecbdae3
--- /dev/null
+++ b/Security/libsecurity_cdsa_utilities/lib/uniformrandom.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2000-2001,2003-2004,2006,2011,2014 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@
+ */
+
+
+//
+// uniformrandom - uniformly distributed random number operators
+//
+#ifndef _H_UNIFORMRANDOM
+#define _H_UNIFORMRANDOM
+
+#include <security_cdsa_utilities/cssmdata.h>
+
+
+namespace Security {
+
+
+//
+// Uniform binary blob generator.
+// This operator deals exclusively in byte arrays.
+//
+template <class Generator>
+class UniformRandomBlobs : public Generator {
+public:
+    using Generator::random;
+
+    template <class Object>
+    void random(Object &obj)   { random(&obj, sizeof(obj)); }
+    
+    void random(CssmData &data)        { random(data.data(), data.length()); }
+};
+
+
+};     // end namespace Security
+
+
+#endif //_H_UNIFORMRANDOM