VGSNAG2 algorithm also works for EGS53 level 0x09

[rnd-ash]

Just something i figured out today whilst testing an EGS53 ECU.

The SW version is 0024486419 (week 49, 2008), and using the VGSNAG2 algorithm on it works on the 4 byte seed.

I can test some other EGS53 modules I have about to see if there is a cutoff where this algorithm won't work.

[jglim]

Hey glad to hear from you and thanks for sharing!

There are 4 definitions using a provider with a name like VGSSecurityAlgo (of which 3 are from you :p ).
Just to confirm, the behavior of EGS53 level 9 is identical to VGSNAG2 level 17?

  {
    "EcuName": "VGSNAG2",
    "Aliases": [],
    "AccessLevel": 17,
    "SeedLength": 4,
    "KeyLength": 4,
    "Provider": "VGSSecurityAlgo",
    "Origin": "VGSNAG2_vgsnag2_sec_12_06_01",
    "Parameters": [
      {
        "Key": "K",
        "Value": "1E71744E",
        "DataType": "ByteArray"
      }
    ]
  },
  {
    "EcuName": "EGS52",
    "Aliases": [],
    "AccessLevel": 5,
    "SeedLength": 4,
    "KeyLength": 4,
    "Provider": "VGSSecurityAlgo",
    "Origin": "EGS52_27_05@VladLupashevskyi-@rnd-ash",
    "Parameters": [
      {
        "Key": "K",
        "Value": "5AA5A5A5",
        "DataType": "ByteArray"
      }
    ]
  },
  {
    "EcuName": "EGS52",
    "Aliases": [],
    "AccessLevel": 1,
    "SeedLength": 2,
    "KeyLength": 2,
    "Provider": "VGSSecurityAlgo2Bytes",
    "Origin": "EGS52_27_01_27_02@VladLupashevskyi-@rnd-ash",
    "Parameters": [
      {
        "Key": "K",
        "Value": "5AA5",
        "DataType": "ByteArray"
      }
    ]
  },
    {
    "EcuName": "EGS53",
    "Aliases": [],
    "AccessLevel": 1,
    "SeedLength": 4,
    "KeyLength": 4,
    "Provider": "VGSSecurityAlgoExt",
    "Origin": "EGS53_27_05@VladLupashevskyi-@rnd-ash",
    "Parameters": [
      {
        "Key": "X",
        "Value": "6BB6B6B6",
        "DataType": "ByteArray"
      },
	  {
        "Key": "M",
        "Value": "49949494",
        "DataType": "ByteArray"
      }
    ]
  },