Moved the authentication code to its own dedicated class. Minor code cleanup.

SecureCore/Authentication.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Security.Cryptography;
+using Microsoft.AspNetCore.Cryptography.KeyDerivation;
+
+namespace SecureCore
+{
+    public class Authentication
+    {
+        private static int Iterations { get; set; } = 100000;
+        private static KeyDerivationPrf KeyType { get; } = KeyDerivationPrf.HMACSHA512;
+        private static int KeySize { get; } = 512 / 8;
+        private static int SaltSize { get; } = 128 / 8; //128 bit salt
+        private static int SessionKeySize { get; } = 32; //32 bytes
+
+        public static string CreateSessionId()
+        {
+            var sessionId = new byte[SessionKeySize];
+
+            GetRandomBytes(ref sessionId);
+
+            return Convert.ToBase64String(sessionId);
+        }
+
+        public static (string Hash, string Salt) HashPassword(string password)
+        {
+            var salt = new byte[SaltSize];
+
+            GetRandomBytes(ref salt);
+
+            return (GetPasswordHash(password, salt), Convert.ToBase64String(salt));
+        }
+
+        public static bool PasswordIsValid(string password, string salt, string passwordHash)
+        {
+            var saltBytes = Convert.FromBase64String(salt);
+
+            return passwordHash == GetPasswordHash(password, saltBytes);
+        }
+
+        private static string GetPasswordHash(string password, byte[] salt)
+        {
+            return Convert.ToBase64String(KeyDerivation.Pbkdf2(password, salt, KeyType, Iterations, KeySize));
+        }
+
+        private static void GetRandomBytes(ref byte[] bytes)
+        {
+            using var rng = RandomNumberGenerator.Create();
+            rng.GetBytes(bytes);
+        }
+    }
+
+    public class LoginInfo
+    {
+        public string UserName { get; set; }
+        public string Password { get; set; }
+    }
+}

SecureCore/Controllers/AuthController.cs

@@ -0,0 +1,22 @@
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace SecureCore.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class AuthController : Controller
+    {
+        [HttpPost("login")]
+        [AcceptVerbs("POST")]
+        public IActionResult Login(LoginInfo info)
+        {
+            var (hash, salt) = Authentication.HashPassword(info.Password);
+
+            return Ok($"Session Key: {Authentication.CreateSessionId()}{Environment.NewLine}Password Hash: {hash}{Environment.NewLine}Salt: {salt}{Environment.NewLine}");
+        }
+    }
+}

SecureCore/Controllers/EmployeeController.cs

@@ -34,65 +34,19 @@ namespace SecureCore.Controllers
             return Ok(DataService.GetById(id));
         }
 
-        [HttpPost("login")]
-        [AcceptVerbs("POST")]
-        public IActionResult Login(LoginInfo info)
-        {
-            var hash = Auth.HashPassword(info.Password);
-            var h2 = Auth.HashPassword("Nonesense", "vRWp9TP1nQDLGtDZrd2yuw==");
+        //[HttpPost("login")]
+        //[AcceptVerbs("POST")]
+        //public IActionResult Login(LoginInfo info)
+        //{
+        //    var (Hash, Salt) = Auth.HashPassword(info.Password);
 
-            return Ok($"Session Key: {Auth.CreateSessionId()}{Environment.NewLine}Password Hash: {hash.Hash}{Environment.NewLine}Salt: {hash.Salt}{Environment.NewLine}{h2 == "+IGLf8scewY2LOObXqfF5IkIbhcEuPrMFc12d78jH6ZyBEMQI+Z9zixWgkQANeV3VYvURBEXIVI0/TPZrnML3w=="}");
-        }
+        //    return Ok($"Session Key: {Auth.CreateSessionId()}{Environment.NewLine}Password Hash: {Hash}{Environment.NewLine}Salt: {Salt}{Environment.NewLine}");
+        //}
     }
 
-    public class LoginInfo
+    public class AuthenticatedUser
     {
         public string UserName { get; set; }
-        public string Password { get; set; }
-    }
-
-    public static class Auth
-    {
-        private static int Iterations { get; set; } = 100000;
-        private static KeyDerivationPrf KeyType { get; } = KeyDerivationPrf.HMACSHA512;
-        private static int KeySize { get; } = 512 / 8;
-        private static int SaltSize { get; } = 128 / 8; //128 bit salt
-        private static int SessionKeySize { get; } = 32; //32 bytes
-
-        public static string CreateSessionId()
-        {
-            var sessionId = new byte[SessionKeySize];
-
-            GetRandomBytes(ref sessionId);
-
-            return Convert.ToBase64String(sessionId);
-        }
-
-        public static (string Hash, string Salt) HashPassword(string password)
-        {
-            var salt = new byte[SaltSize];
-
-            GetRandomBytes(ref salt);
-
-            return (GetPasswordHash(password, salt), Convert.ToBase64String(salt));
-        }
-
-        public static string HashPassword(string password, string hash)
-        {
-            var salt = Convert.FromBase64String(hash);
-
-            return GetPasswordHash(password, salt);
-        }
-
-        private static string GetPasswordHash(string password, byte[] salt)
-        {
-            return Convert.ToBase64String(KeyDerivation.Pbkdf2(password, salt, KeyType, Iterations, KeySize));
-        }
-
-        private static void GetRandomBytes(ref byte[] bytes)
-        {
-            using var rng = RandomNumberGenerator.Create();
-            rng.GetBytes(bytes);
-        }
+        public string SessionToken { get; set; }
     }
 }

SecureCore/SecureCore.csproj.user

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <Controller_SelectedScaffolderID>MvcControllerWithActionsScaffolder</Controller_SelectedScaffolderID>
+    <Controller_SelectedScaffolderID>MvcControllerEmptyScaffolder</Controller_SelectedScaffolderID>
     <Controller_SelectedScaffolderCategoryPath>root/Common/MVC/Controller</Controller_SelectedScaffolderCategoryPath>
     <NameOfLastUsedPublishProfile>FolderProfile</NameOfLastUsedPublishProfile>
   </PropertyGroup>

SecureCore/obj/Debug/netcoreapp3.1/SecureCore.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-7632b3c3dac860a5ca892b30d9c2c673c6b08242
+fe49541232d842c53eb06770dc71b931991ff712