Initial commit

Shared/RandomNumbers.cs

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+/*
+ * Secucore
+ * 
+ * Copyright (C) 2023 Trevor Hall
+ * All rights reserved.
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.
+ * 
+ */
+
+using System.Security.Cryptography;
+using System;
+
+namespace SecuCore.Shared
+{
+    class RandomNumbers
+    {
+        public static ushort GetNext16()
+        {
+            byte[] ib = RandomNumberGenerator.GetBytes(2);
+            return BitConverter.ToUInt16(ib);
+        }
+        public static int GetNext(int min, int max)
+        {
+            byte[] ib = RandomNumberGenerator.GetBytes(4);
+            int ival = BitConverter.ToInt32(ib, 0);
+            ival = (ival >= 0 ? ival : -ival);
+            int ceil = max + 1;
+            int diff = ceil - min;
+            int rn = ival % diff;
+            return min + rn;
+        }
+    }
+}