Rearranged repo to make room for additional projects

ComiServ/Entities/User.cs

@@ -0,0 +1,37 @@
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Security.Cryptography;
+
+namespace ComiServ.Entities;
+
+[PrimaryKey(nameof(Id))]
+[Index(nameof(Username), IsUnique = true)]
+public class User
+{
+    public const int HashLengthBytes = 512 / 8;
+    public const int SaltLengthBytes = HashLengthBytes;
+    public int Id { get; set; }
+    [MaxLength(20)]
+    public string Username { get; set; }
+    [MaxLength(SaltLengthBytes)]
+    public byte[] Salt { get; set; }
+    [MaxLength(HashLengthBytes)]
+    public byte[] HashedPassword { get; set; }
+    public UserType UserType { get; set; }
+    public UserTypeEnum UserTypeId { get; set; }
+    [InverseProperty("User")]
+    public ICollection<ComicRead> ComicsRead { get; set; } = [];
+    //cryptography should probably be in a different class
+    public static byte[] MakeSalt()
+    {
+        byte[] arr = new byte[SaltLengthBytes];
+        RandomNumberGenerator.Fill(new Span<byte>(arr));
+        return arr;
+    }
+    public static byte[] Hash(byte[] password, byte[] salt)
+    {
+        var salted = salt.Append((byte)':').Concat(password).ToArray();
+        return SHA512.HashData(salted);
+    }
+}