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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.IO.Compression; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Windows.Forms; | ||
| using DarkUI.Forms; | ||
|
|
||
| public class Class_Checksums | ||
| { | ||
| private GForm_Main GForm_Main_0; | ||
|
|
||
| public void Load(ref GForm_Main GForm_Main_1) | ||
| { | ||
| GForm_Main_0 = GForm_Main_1; | ||
| } | ||
|
|
||
| public byte GetNegativeChecksumArea(byte[] byte_1, int Start, int ChecksumLocation) | ||
| { | ||
| byte b = 0; | ||
| for (int i = Start; i < byte_1.Length; i++) | ||
| { | ||
| if (i != ChecksumLocation) | ||
| { | ||
| b -= byte_1[i]; | ||
| } | ||
| } | ||
| return b; | ||
| } | ||
|
|
||
| public int GetChecksumLocationThisECU(string ThisECU) | ||
| { | ||
| int CheckLocation = 0; | ||
| if (GForm_Main_0.Editortable_0.LoadDefinitionsFor(ThisECU)) | ||
| { | ||
| if (GForm_Main_0.Editortable_0.ClassEditor_0.DefinitionsChecksumLocation != "") | ||
| { | ||
| CheckLocation = int.Parse(GForm_Main_0.Editortable_0.ClassEditor_0.DefinitionsChecksumLocation.Replace("0x", ""), System.Globalization.NumberStyles.HexNumber); | ||
| } | ||
| } | ||
| return CheckLocation; | ||
| } | ||
|
|
||
| public int GetChecksumLocation(byte[] BinFileBytes) | ||
| { | ||
| byte[] BufferBytes = BinFileBytes; | ||
| int CheckLocation = 0; | ||
|
|
||
| string Thisecuu = GForm_Main_0.Editortable_0.ExtractECUNameFromThisFile(BinFileBytes); | ||
| if (Thisecuu != "") | ||
| { | ||
| if (GForm_Main_0.Editortable_0.LoadDefinitionsFor(Thisecuu)) | ||
| { | ||
| if (GForm_Main_0.Editortable_0.ClassEditor_0.DefinitionsChecksumLocation != "") | ||
| { | ||
| CheckLocation = int.Parse(GForm_Main_0.Editortable_0.ClassEditor_0.DefinitionsChecksumLocation.Replace("0x", ""), System.Globalization.NumberStyles.HexNumber); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (CheckLocation == 0) | ||
| { | ||
| //HERE | ||
| //GForm_Main_0.method_1("Checksum location not definied for '" + Thisecuu + "', using known checksum location but can possibly be wrong on some ecu!"); | ||
|
|
||
| DialogResult result = DarkMessageBox.Show("Checksum location not definied for '" + Thisecuu + "'" + Environment.NewLine + "Do you want to use 'known good' checksum location but they still can possibly be wrong on some ecu?", "Checksum location", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation); | ||
| if (result == DialogResult.Yes) | ||
| { | ||
| if (BufferBytes.Length - 1 == 0xF7FFF) CheckLocation = 0x400; //1mb-fw -> 0x8400 in full bin but we dont have the bootloader 0x0000 to 0x8000 | ||
| if (BufferBytes.Length - 1 == 0xFFFFF) CheckLocation = 0x8400; //1mb-full | ||
| if (BufferBytes.Length - 1 == 0x1EFFFF) CheckLocation = 0x12; //2mb-fw | ||
| if (BufferBytes.Length - 1 == 0x1FFFFF) CheckLocation = 0x10012; //2mb-full | ||
| if (BufferBytes.Length - 1 == 0x26FFFF) CheckLocation = 0x1F03E6; //4mb-fw | ||
| if (BufferBytes.Length - 1 == 0x27FFFF) CheckLocation = 0x2003E6; //4mb-full //0x3FFFFF | ||
| } | ||
| } | ||
|
|
||
| return CheckLocation; | ||
| } | ||
|
|
||
| public byte[] VerifyChecksumFullBin(byte[] BinFileBytes) | ||
| { | ||
| //############################### | ||
| //Get Checksum and Fix it | ||
| byte[] BufferBytes = BinFileBytes; | ||
| int CheckLocation = GetChecksumLocation(BinFileBytes); | ||
|
|
||
| if (CheckLocation == 0) | ||
| { | ||
| GForm_Main_0.method_1("Checksum location not found!"); | ||
| return BufferBytes; | ||
| } | ||
|
|
||
| byte num = BufferBytes[CheckLocation]; | ||
| byte num2 = GetNegativeChecksumArea(BufferBytes, 0, CheckLocation); | ||
| if (num != num2) | ||
| { | ||
| GForm_Main_0.method_1("Checksum miss match."); | ||
| BufferBytes[CheckLocation] = num2; | ||
| GForm_Main_0.method_1("Checksum fixed at 0x" + CheckLocation.ToString("X") + " | Checksum: 0x" + num2.ToString("X2")); | ||
| } | ||
| else | ||
| { | ||
| GForm_Main_0.method_1("Checksum are good at 0x" + CheckLocation.ToString("X") + " | Checksum: 0x" + num2.ToString("X2")); | ||
| } | ||
| return BufferBytes; | ||
| } | ||
|
|
||
| public byte[] VerifyChecksumFWBin(byte[] FWFileBytes) | ||
| { | ||
| //############################### | ||
| //Get Checksum and Fix it | ||
| byte[] BufferBytes = FWFileBytes; | ||
| int CheckLocation = GetChecksumLocation(FWFileBytes); | ||
|
|
||
| if (CheckLocation == 0) | ||
| { | ||
| GForm_Main_0.method_1("Checksum location not found!"); | ||
| return BufferBytes; | ||
| } | ||
|
|
||
| byte num = Class_RWD.BootloaderSum; | ||
| byte num2 = Class_RWD.GetNegativeChecksumFWBin(BufferBytes, CheckLocation); | ||
| byte ThisSum = num; | ||
| ThisSum -= num2; | ||
| byte chk = BufferBytes[CheckLocation]; | ||
| if (chk != ThisSum) | ||
| { | ||
| GForm_Main_0.method_1("Checksum miss match."); | ||
| BufferBytes[CheckLocation] = ThisSum; | ||
| GForm_Main_0.method_1("Checksum fixed at 0x" + CheckLocation.ToString("X") + " | Checksum: 0x" + num2.ToString("X2")); | ||
| } | ||
| else | ||
| { | ||
| GForm_Main_0.method_1("checksum good at 0x" + CheckLocation.ToString("X") + " | Checksum: 0x" + num2.ToString("X2")); | ||
| } | ||
| return BufferBytes; | ||
| } | ||
| } |
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