encyption wip

Bitvault/CreateVaultStorageHandler.cs

@@ -0,0 +1,73 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Hosting;
+using System.Security.Cryptography;
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public class CreateVaultStorageHandler(IHostEnvironment environment,
+    IKeyDeriver deriver,
+    IEncryptor encryptor,
+    IDecryptor decryptor,
+    IDbContextFactory<VaultDbContext> dbContextFactory) : IHandler<Create<VaultStorage>, bool>
+{
+    public async Task<bool> Handle(Create<VaultStorage> args, CancellationToken cancellationToken)
+    {
+        if (args.Value is VaultStorage vault)
+        {
+            if (vault.Name is { Length: > 0 } name && vault.Password is { Length: > 0 } password)
+            {
+                byte[] salt = new byte[16];
+                RandomNumberGenerator.Fill(salt);
+
+                byte[] key = new byte[32];
+                RandomNumberGenerator.Fill(key);
+
+                byte[] derivedKey = deriver.DeriveKey(password, salt);
+                string? encryptedKey = encryptor.Encrypt(Convert.ToBase64String(key), derivedKey);
+
+
+                byte[] derivedKey2 = deriver.DeriveKey(password, salt);
+                var dod = decryptor.Decrypt(encryptedKey, derivedKey2);
+
+                // Derive the key for encryption
+
+                //byte[] encryptionKey = deriver.DeriveKey(password, salt);
+
+                //// Derive the key for decryption
+                //byte[] decryptionKey = deriver.DeriveKey(password, salt);
+
+                //// Compare keys to ensure they're the same
+                //bool areKeysEqual = encryptionKey.SequenceEqual(decryptionKey);
+
+                ////byte[] derivedKey = deriver.DeriveKey(password, salt);
+                //string? encrypted = encryptor.Encrypt(password, derivedKey);
+
+                //var storedSalt = Convert.ToBase64String(salt);
+
+
+                //byte[] derivedKey2 = deriver.DeriveKey(password, salt);
+
+                //var d = decryptor.Decrypt(encrypted, derivedKey2);
+
+                // Generate a hash
+                //string hash = hasher.HashPassword(password);
+
+                //string[] parts = hash.Split(':');
+
+                //// Store the salt only
+                //string storedSalt = parts[0]; 
+
+                //// Use the hash as the password
+                //string storedHash = parts[1];
+
+                //context.Database.SetConnectionString($"Data Source={Path.Combine(environment.ContentRootPath, name)}.vault;Mode=ReadWriteCreate;Password={storedHash}");
+                //await context.Database.EnsureCreatedAsync();
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+}