Initial commit

QuickDB/DemoDB.cs

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+namespace QuickDB;
+
+public static class DemoDB
+{
+    public static void CreateFetch(string value)
+    {
+        // Prompt the user for input
+        Console.WriteLine($"Stored value: {value}");
+
+        // Hash the input string
+        string hashedKey = ComputeSHA256Hash(value);
+
+        // Store the hashed key and original input value in a dictionary
+        Dictionary<string, string> hashDictionary = new Dictionary<string, string>();
+        hashDictionary[hashedKey] = value;
+
+        // Display the hashed key
+        Console.WriteLine($"Hashed Key: {hashedKey}");
+
+        // Retrieve the original input value using the hashed key
+        if (hashDictionary.TryGetValue(hashedKey, out string retrievedValue))
+            Console.WriteLine($"Retrieved Value: {retrievedValue}");
+        else
+            Console.WriteLine("Key not found in dictionary.");
+    }
+
+    // Method to compute SHA256 hash from a string
+    static string ComputeSHA256Hash(string rawData)
+    {
+        // Create a SHA256 instance.
+        using SHA256 sha256Hash = SHA256.Create();
+
+        // Compute the hash of the input string.
+        byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(rawData));
+
+        // Convert byte array to a string (hexadecimal).
+        StringBuilder builder = new StringBuilder();
+        for (int i = 0; i < bytes.Length; i++)
+        {
+            builder.Append(bytes[i].ToString("x2"));
+        }
+        return builder.ToString();
+    }
+}

QuickDB/GlobalUsing.cs

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+global using System.Security.Cryptography;
+global using System.Text;

QuickDB/QuickDB.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>