Add Renault_Radio_Code

#68

Author: Feezex

UnlockECU/UnlockECU/Security/RenaultRadio.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UnlockECU
+{
+    class RenaultRadio : SecurityProvider
+    {
+        public override bool GenerateKey(byte[] inSeed, byte[] outKey, int accessLevel, List<Parameter> parameters)
+        {
+            if (inSeed == null || outKey == null)
+                return false;
+
+            // Expecting 4 bytes (HEX: 59 30 32 30)
+            if (inSeed.Length < 4)
+                return false;
+
+            // First 4 bytes as ASCII
+            char c0 = (char)inSeed[0];
+            char c1 = (char)inSeed[1];
+            char c2 = (char)inSeed[2];
+            char c3 = (char)inSeed[3];
+
+            int var0 = char.ToUpper(c0);
+            int var1 = c1;
+            int var2 = c2;
+            int var3 = c3;
+
+            var0 = var0 * 5;
+            var1 = var0 * 2 + var1 - 698;
+            var2 = (var2 * 5) * 2 + var1;
+            var3 = var3 + var2 - 528;
+
+            int sum = ((var3 << 3) - var3) % 100;
+
+            if (sum < 0)
+                sum += 100;
+
+            int call = sum / 10;
+            int remainder = (sum % 10) * 5;
+
+            int varf = remainder * 2 + call;
+
+            if (var1 == 0)
+                return false;
+
+            int eax = 259 % var1 % 100;
+            eax = eax * 5;
+            int edx = eax * 5;
+            eax = edx * 4 + varf;
+
+            // OUTPUT (2 bytes Big Endian)
+            if (outKey.Length < 2)
+                return false;
+
+            outKey[0] = (byte)((eax >> 8) & 0xFF);
+            outKey[1] = (byte)(eax & 0xFF);
+
+            return true;
+        }
+
+        public override string GetProviderName()
+        {
+            return "RenaultRadio";
+        }
+    }
+}

UnlockECU/db.json

@@ -3391,6 +3391,16 @@
       }
     ]
   },
+  {
+    "EcuName": "Renault_Radio_Code",
+    "Aliases": [],
+    "AccessLevel": 1,
+    "SeedLength": 4,
+    "KeyLength": 2,
+    "Provider": "RenaultRadio",
+    "Origin": "RenaultRadioCode_@Feezex",
+    "Parameters": []
+  },
   {
     "EcuName": "EARS167",
     "Aliases": [],