Add TcpRpc server and client and split crypto code into multiple classes

2026-09-08 07:46:29 +02:00 · 2026-06-09 19:26:34 +02:00
parent 5b8936dd16
commit e6bab7e371
11 changed files with 473 additions and 109 deletions
@@ -0,0 +1,26 @@
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Digests;
+using Org.BouncyCastle.Crypto.Generators;
+using Org.BouncyCastle.Crypto.Parameters;
+
+namespace RemSox.Utils;
+
+public static class PasswordKeyDeriver
+{
+    private const int KeySize = 32; // 256-bit key
+    private const int Iterations = 150_000; // PBKDF2 cost factor
+
+    public static byte[] DeriveKey(string password, byte[] salt)
+    {
+        Pkcs5S2ParametersGenerator generator = new Pkcs5S2ParametersGenerator(new Sha256Digest());
+
+        generator.Init(
+            PbeParametersGenerator.Pkcs5PasswordToBytes(password.ToCharArray()),
+            salt,
+            Iterations
+        );
+
+        return ((KeyParameter)generator.GenerateDerivedMacParameters(KeySize * 8))
+            .GetKey();
+    }
+}