Rename to VAR.Focus

VAR.Focus.Web/Code/CryptoUtils.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace VAR.Focus.Web.Code
+{
+    public class CryptoUtils
+    {
+        public static string GetSHA1(string str)
+        {
+            SHA1 sha1 = SHA1Managed.Create();
+            UTF8Encoding encoding = new UTF8Encoding();
+            byte[] stream = null;
+            StringBuilder sb = new StringBuilder();
+            stream = sha1.ComputeHash(encoding.GetBytes(str));
+            for (int i = 0; i < stream.Length; i++) sb.AppendFormat("{0:x2}", stream[i]);
+            return sb.ToString();
+        }
+
+        public static string GetRandString(int len)
+        {
+            byte[] bytes = new byte[len];
+            var cryptoRandom = new RNGCryptoServiceProvider();
+            cryptoRandom.GetBytes(bytes);
+
+            UTF8Encoding encoding = new UTF8Encoding();
+            return encoding.GetString(bytes);
+        }
+
+        public static string GetCryptoToken()
+        {
+            return CryptoUtils.GetSHA1(CryptoUtils.GetRandString(10));
+        }
+
+        public static string GetHashedPassword(string password, string passwordSalt)
+        {
+            return CryptoUtils.GetSHA1(String.Format("{1}{0}{1}", password, passwordSalt));
+        }
+
+    }
+}