add signing credentials

1 files changed, 59 insertions, 0 deletions

diff --git a/src/server/Utilities/Random.cs b/src/server/Utilities/Random.cs
new file mode 100644
index 0000000..390a69c
--- /dev/null
+++ b/src/server/Utilities/Random.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Dough.Utilities
+{
+    public static class Random
+    {
+        private const string RandomStringCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        private static readonly char[] RandomPasswordCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890".ToCharArray();
+
+        public static string String(int length)
+        {
+            var stringChars = new char[length];
+            var random = new System.Random();
+
+            for (var i = 0; i < stringChars.Length; i++)
+                stringChars[i] = RandomStringCharacters[random.Next(RandomStringCharacters.Length)];
+            
+            return new string(stringChars);
+        }
+        
+        public static string Password(int length)
+        {
+            var data = new byte[4*length];
+            using (var crypto = new RNGCryptoServiceProvider())
+            {
+                crypto.GetBytes(data);
+            }
+            var result = new StringBuilder(length);
+            for (var i = 0; i < length; i++)
+            {
+                var rnd = BitConverter.ToUInt32(data, i * 4);
+                var idx = rnd % RandomPasswordCharacters.Length;
+                result.Append(RandomPasswordCharacters[idx]);
+            }
+
+            return result.ToString();        
+        }
+        
+        public static int Number(int length)
+        {
+            var random = new System.Random();
+            return random.Next(0, length);
+        }
+        
+        public static string NumericalString(int length)
+        {
+            var stringChars = new char[length];
+            var random = new System.Random();
+
+            for (var i = 0; i < stringChars.Length; i++)
+                stringChars[i] = RandomStringCharacters[random.Next(RandomStringCharacters.Length)];
+            
+            return new string(stringChars);
+        }
+
+    }
+}
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