Init commit

add security encryption and hashing: WIP
add endpoints: register user, get and save resources
add db main operations, User entity

Azaion.Test/SecurityTest.cs

@@ -0,0 +1,41 @@
+using System.Text;
+using Azaion.Services;
+using FluentAssertions;
+using Xunit;
+
+namespace Azaion.Test;
+
+public class SecurityTest
+{
+    [Fact]
+    public async Task EncryptDecryptTest()
+    {
+        var testString = "Hello World Test dfvjkhsdbfvkljh sabdljsdafv asdv";
+        var username = "user@azaion.com";
+        var password = "testpw";
+        var key = Security.MakeEncryptionKey(username, password);
+
+        await using var encryptedStream = new MemoryStream();
+        await StringToStream(testString).Encrypt(encryptedStream, key);
+
+        await using var decryptedStream   = new MemoryStream();
+        await encryptedStream.Decrypt(decryptedStream, key);
+
+        var str = StreamToString(decryptedStream);
+        str.Should().Be(testString);
+    }
+
+    private static string StreamToString(Stream stream)
+    {
+        stream.Position = 0;
+        using var reader = new StreamReader(stream, Encoding.UTF8);
+        return reader.ReadToEnd();
+    }
+
+    private static Stream StringToStream(string src)
+    {
+        var byteArray = Encoding.UTF8.GetBytes(src);
+        return new MemoryStream(byteArray);
+    }
+
+}