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Parse Header and Footer in new base class

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Deterous
2023-11-01 16:59:33 +13:00
parent 14df0affc6
commit c57c58d633
4 changed files with 326 additions and 255 deletions
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LibIRD/ReIRD.cs
+7 -51
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@@ -192,7 +192,7 @@ namespace LibIRD
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="FileNotFoundException"></exception>
/// <exception cref="InvalidDataException"></exception>
public ReIRD(string isoPath, string getKeyLog)
public ReIRD(string isoPath, string getKeyLog) : base(isoPath, getKeyLog)
{
// Validate ISO path
if (isoPath == null || isoPath.Length <= 0)
@@ -206,63 +206,22 @@ namespace LibIRD
// Calculate size of ISO
long size = iso.Length;
// Parse .getkey.log for the Disc Key (Data1Key)
ParseGetKeyLog(getKeyLog);
// Generate Unique Identifier using ISO CRC32
GenerateUID(isoPath);
// Generate Data 2 using Disc ID
GenerateD2(GenerateID(size));
byte[] d2 = Data2Key;
GenerateD2(GenerateID(size));
// Check that GetKey log matches expected Disc ID
if (!((ReadOnlySpan<byte>)Data2Key).SequenceEqual(d2))
throw new InvalidDataException("Unexpected Disc ID in .getkey.log");
// Generate Disc PIC
byte[] pic = PIC;
GeneratePIC(size);
// Check that GetKey log matches expected PIC
if (!((ReadOnlySpan<byte>) PIC).SequenceEqual(pic))
throw new InvalidDataException("Unexpected PIC in .getkey.log");
// Generate Unique Identifier using ISO CRC32
GenerateUID(isoPath);
// Generate the IRD hashes
Generate(isoPath);
}
/// <summary>
/// Constructor with required redump-style IRD fields
/// </summary>
/// <param name="isoPath">Path to the ISO</param>
/// <param name="key">Disc Key, redump-style (AES encrypted Data 1)</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="FileNotFoundException"></exception>
public ReIRD(string isoPath, byte[] key)
{
// Validate ISO path
if (isoPath == null || isoPath.Length <= 0)
throw new ArgumentNullException(nameof(isoPath));
// Check file exists
var iso = new FileInfo(isoPath);
if (!iso.Exists)
throw new FileNotFoundException(isoPath);
// Calculate size of ISO
long size = iso.Length;
// Generate Data 1 using Disc Key
GenerateD1(key);
// Generate Data 2 using Disc ID
GenerateD2(GenerateID(size));
// Generate Disc PIC
GeneratePIC(size);
// Generate Unique Identifier using ISO CRC32
GenerateUID(isoPath);
// Generate the IRD hashes
Generate(isoPath);
}
/// <summary>
@@ -273,7 +232,7 @@ namespace LibIRD
/// <param name="region">Disc Region</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="FileNotFoundException"></exception>
public ReIRD(string isoPath, byte[] key, Region region)
public ReIRD(string isoPath, byte[] key, Region region = Region.NONE) : base(isoPath)
{
// Validate ISO path
if (isoPath == null || isoPath.Length <= 0)
@@ -298,9 +257,6 @@ namespace LibIRD
// Generate Disc PIC
GeneratePIC(size);
// Generate the IRD hashes
Generate(isoPath);
}
#endregion