#102: Moving Models and constants to their own library

Icarus/Controllers/Utilities/PasswordEncryption.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Security.Cryptography;
+
+using BCrypt.Net;
+using Microsoft.AspNetCore.Cryptography.KeyDerivation;
+using NLog;
+
+using Icarus.Models;
+
+namespace Icarus.Controllers.Utilities;
+
+public class PasswordEncryption
+{
+    #region Fields
+    private static Logger _logger = NLog.LogManager.GetCurrentClassLogger();
+    #endregion
+
+
+    #region Properties
+    #endregion
+
+
+    #region Constructor
+    #endregion
+
+
+    #region Methods
+    public bool VerifyPassword(User user, string password)
+    {
+        try
+        {
+            var result = BCrypt.Net.BCrypt.Verify(password, user.Password);
+
+            return result;
+        }
+        catch (Exception ex)
+        {
+            var msg = ex.Message;
+            _logger.Error(msg, "An error occurred");
+        }
+
+        return false;
+    }
+
+    public string HashPassword(User user)
+    {
+        try
+        {
+            string hashedPassword = string.Empty;
+            hashedPassword = BCrypt.Net.BCrypt.HashPassword(user.Password);
+
+            _logger.Info("Successfully hashed password");
+
+            return hashedPassword;
+
+        }
+        catch (Exception ex)
+        {
+            var exMsg = ex.Message;
+            _logger.Error(exMsg, "An error occurred");
+        }
+
+        return string.Empty;
+    }
+
+    string GenerateHash(string password, byte[] salt)
+    {
+
+        string hashed = Convert.ToBase64String(KeyDerivation.Pbkdf2(
+            password: password, salt: salt,
+            prf: KeyDerivationPrf.HMACSHA1,
+            iterationCount: 10000,
+            numBytesRequested: 256/8));
+
+        return hashed;
+    }
+
+    byte[] GenerateSalt()
+    {
+        byte[] salt = new byte[128/8];
+
+        using (var rng = RandomNumberGenerator.Create())
+            rng.GetBytes(salt);
+
+
+        return salt;
+    }
+    #endregion
+}