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https://github.com/SabreTools/BinaryObjectScanner.git
synced 2026-04-24 23:30:07 +00:00
Add AACS wrapper and printing
This commit is contained in:
Matt Nadareski
@@ -171,6 +171,9 @@ namespace BurnOutSharp.Builders
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// TODO: Use marshalling here instead of building
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var record = new ExplicitSubsetDifferenceRecord();
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record.RecordType = type;
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record.RecordLength = length;
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// Cache the current offset
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long initialOffset = data.Position - 4;
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@@ -208,6 +211,9 @@ namespace BurnOutSharp.Builders
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// TODO: Use marshalling here instead of building
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var record = new MediaKeyDataRecord();
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record.RecordType = type;
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record.RecordLength = length;
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// Cache the current offset
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long initialOffset = data.Position - 4;
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@@ -241,6 +247,9 @@ namespace BurnOutSharp.Builders
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// TODO: Use marshalling here instead of building
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var record = new SubsetDifferenceIndexRecord();
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record.RecordType = type;
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record.RecordLength = length;
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// Cache the current offset
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long initialOffset = data.Position - 4;
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@@ -278,7 +287,7 @@ namespace BurnOutSharp.Builders
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record.RecordType = type;
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record.RecordLength = length;
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record.MKBType = (MediaKeyBlockType)data.ReadUInt32BE();
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record.MediaKeyBlockType = (MediaKeyBlockType)data.ReadUInt32BE();
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record.VersionNumber = data.ReadUInt32BE();
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return record;
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@@ -298,6 +307,9 @@ namespace BurnOutSharp.Builders
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// TODO: Use marshalling here instead of building
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var record = new DriveRevocationListRecord();
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record.RecordType = type;
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record.RecordLength = length;
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// Cache the current offset
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long initialOffset = data.Position - 4;
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@@ -354,6 +366,9 @@ namespace BurnOutSharp.Builders
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// TODO: Use marshalling here instead of building
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var record = new HostRevocationListRecord();
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record.RecordType = type;
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record.RecordLength = length;
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// Cache the current offset
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long initialOffset = data.Position - 4;
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@@ -17,7 +17,7 @@ namespace BurnOutSharp.Models.AACS
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/// controlling access to AACS Content on pre- recorded media. In
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/// this case, the device shall not use the KCD.
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/// </summary>
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public MediaKeyBlockType MKBType;
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public MediaKeyBlockType MediaKeyBlockType;
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/// <summary>
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/// The Version Number is a 32-bit unsigned integer. Each time the
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273
BurnOutSharp.Wrappers/AACSMediaKeyBlock.cs
Normal file
273
BurnOutSharp.Wrappers/AACSMediaKeyBlock.cs
Normal file
@@ -0,0 +1,273 @@
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using System;
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using System.IO;
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namespace BurnOutSharp.Wrappers
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{
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public class AACSMediaKeyBlock : WrapperBase
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{
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#region Pass-Through Properties
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#region Records
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/// <inheritdoc cref="Models.AACS.MediaKeyBlock.Records"/>
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public Models.AACS.Record[] Records => _mediaKeyBlock.Records;
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#endregion
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#endregion
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#region Instance Variables
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/// <summary>
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/// Internal representation of the AACS media key block
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/// </summary>
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private Models.AACS.MediaKeyBlock _mediaKeyBlock;
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#endregion
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#region Constructors
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/// <summary>
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/// Private constructor
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/// </summary>
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private AACSMediaKeyBlock() { }
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/// <summary>
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/// Create an AACS media key block from a byte array and offset
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/// </summary>
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/// <param name="data">Byte array representing the archive</param>
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/// <param name="offset">Offset within the array to parse</param>
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/// <returns>An AACS media key block wrapper on success, null on failure</returns>
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public static AACSMediaKeyBlock Create(byte[] data, int offset)
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{
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// If the data is invalid
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if (data == null)
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return null;
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// If the offset is out of bounds
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if (offset < 0 || offset >= data.Length)
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return null;
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// Create a memory stream and use that
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MemoryStream dataStream = new MemoryStream(data, offset, data.Length - offset);
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return Create(dataStream);
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}
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/// <summary>
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/// Create an AACS media key block from a Stream
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/// </summary>
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/// <param name="data">Stream representing the archive</param>
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/// <returns>An AACS media key block wrapper on success, null on failure</returns>
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public static AACSMediaKeyBlock Create(Stream data)
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{
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// If the data is invalid
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if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
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return null;
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var mediaKeyBlock = Builders.AACS.ParseMediaKeyBlock(data);
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if (mediaKeyBlock == null)
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return null;
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var wrapper = new AACSMediaKeyBlock
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{
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_mediaKeyBlock = mediaKeyBlock,
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_dataSource = DataSource.Stream,
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_streamData = data,
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};
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return wrapper;
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}
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#endregion
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#region Printing
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/// <inheritdoc/>
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public override void Print()
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{
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Console.WriteLine("AACS Media Key Block Information:");
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Console.WriteLine("-------------------------");
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Console.WriteLine();
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PrintRecords();
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}
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/// <summary>
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/// Print records information
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/// </summary>
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private void PrintRecords()
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{
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Console.WriteLine(" Records Information:");
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Console.WriteLine(" -------------------------");
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if (Records == null || Records.Length == 0)
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{
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Console.WriteLine(" No records");
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}
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else
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{
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for (int i = 0; i < Records.Length; i++)
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{
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var record = Records[i];
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Console.WriteLine($" Record Entry {i}");
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Console.WriteLine($" Record type: {record.RecordType} (0x{record.RecordType:X})");
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Console.WriteLine($" Record length: {record.RecordLength} (0x{record.RecordLength:X})");
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switch (record.RecordType)
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{
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case Models.AACS.RecordType.EndOfMediaKeyBlock:
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var eomkb = record as Models.AACS.EndOfMediaKeyBlockRecord;
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Console.WriteLine($" Signature data: {BitConverter.ToString(eomkb.SignatureData ?? new byte[0]).Replace('-', ' ')}");
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break;
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case Models.AACS.RecordType.ExplicitSubsetDifference:
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var esd = record as Models.AACS.ExplicitSubsetDifferenceRecord;
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Console.WriteLine($" Subset Differences:");
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Console.WriteLine(" -------------------------");
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if (esd.SubsetDifferences == null || esd.SubsetDifferences.Length == 0)
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{
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Console.WriteLine($" No subset differences");
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}
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else
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{
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for (int j = 0; j < esd.SubsetDifferences.Length; j++)
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{
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var sd = esd.SubsetDifferences[j];
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Console.WriteLine($" Subset Difference {j}");
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Console.WriteLine($" Mask: {sd.Mask} (0x{sd.Mask:X})");
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Console.WriteLine($" Number: {sd.Number} (0x{sd.Number:X})");
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}
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}
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break;
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case Models.AACS.RecordType.MediaKeyData:
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var mkd = record as Models.AACS.MediaKeyDataRecord;
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Console.WriteLine($" Media Keys:");
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Console.WriteLine(" -------------------------");
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if (mkd.MediaKeyData == null || mkd.MediaKeyData.Length == 0)
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{
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Console.WriteLine($" No media keys");
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}
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else
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{
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for (int j = 0; j < mkd.MediaKeyData.Length; j++)
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{
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var mk = mkd.MediaKeyData[j];
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Console.WriteLine($" Media key {j}: {BitConverter.ToString(mk ?? new byte[0]).Replace('-', ' ')}");
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}
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}
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break;
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case Models.AACS.RecordType.SubsetDifferenceIndex:
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var sdi = record as Models.AACS.SubsetDifferenceIndexRecord;
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Console.WriteLine($" Span: {sdi.Span} (0x{sdi.Span:X})");
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Console.WriteLine($" Offsets:");
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Console.WriteLine(" -------------------------");
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if (sdi.Offsets == null || sdi.Offsets.Length == 0)
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{
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Console.WriteLine($" No offsets");
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}
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else
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{
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for (int j = 0; j < sdi.Offsets.Length; j++)
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{
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var offset = sdi.Offsets[j];
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Console.WriteLine($" Offset {j}: {offset} (0x{offset:X})");
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}
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}
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break;
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case Models.AACS.RecordType.TypeAndVersion:
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var tav = record as Models.AACS.TypeAndVersionRecord;
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Console.WriteLine($" Media key block type: {tav.MediaKeyBlockType} (0x{tav.MediaKeyBlockType:X})");
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Console.WriteLine($" Version number: {tav.VersionNumber} (0x{tav.VersionNumber:X})");
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break;
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case Models.AACS.RecordType.DriveRevocationList:
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var drl = record as Models.AACS.DriveRevocationListRecord;
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Console.WriteLine($" Total number of entries: {drl.TotalNumberOfEntries} (0x{drl.TotalNumberOfEntries:X})");
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Console.WriteLine($" Signature Blocks:");
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Console.WriteLine(" -------------------------");
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if (drl.SignatureBlocks == null || drl.SignatureBlocks.Length == 0)
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{
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Console.WriteLine($" No signature blocks");
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}
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else
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{
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for (int j = 0; j < drl.SignatureBlocks.Length; j++)
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{
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var block = drl.SignatureBlocks[j];
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Console.WriteLine($" Signature Block {j}");
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Console.WriteLine($" Number of entries: {block.NumberOfEntries}");
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Console.WriteLine($" Entry Fields:");
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Console.WriteLine(" -------------------------");
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if (block.EntryFields == null || block.EntryFields.Length == 0)
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{
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Console.WriteLine($" No entry fields");
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}
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else
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{
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for (int k = 0; k < block.EntryFields.Length; k++)
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{
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var ef = block.EntryFields[k];
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Console.WriteLine($" Entry {k}");
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Console.WriteLine($" Range: {ef.Range} (0x{ef.Range:X})");
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Console.WriteLine($" Drive ID: {BitConverter.ToString(ef.DriveID ?? new byte[0]).Replace('-', ' ')}");
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}
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}
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}
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}
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break;
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case Models.AACS.RecordType.HostRevocationList:
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var hrl = record as Models.AACS.HostRevocationListRecord;
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Console.WriteLine($" Total number of entries: {hrl.TotalNumberOfEntries} (0x{hrl.TotalNumberOfEntries:X})");
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Console.WriteLine($" Signature Blocks:");
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Console.WriteLine(" -------------------------");
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if (hrl.SignatureBlocks == null || hrl.SignatureBlocks.Length == 0)
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{
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Console.WriteLine($" No signature blocks");
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}
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else
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{
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for (int j = 0; j < hrl.SignatureBlocks.Length; j++)
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{
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var block = hrl.SignatureBlocks[j];
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Console.WriteLine($" Signature Block {j}");
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Console.WriteLine($" Number of entries: {block.NumberOfEntries}");
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Console.WriteLine($" Entry Fields:");
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Console.WriteLine(" -------------------------");
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if (block.EntryFields == null || block.EntryFields.Length == 0)
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{
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Console.WriteLine($" No entry fields");
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}
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else
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{
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for (int k = 0; k < block.EntryFields.Length; k++)
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{
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var ef = block.EntryFields[k];
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Console.WriteLine($" Entry {k}");
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Console.WriteLine($" Range: {ef.Range} (0x{ef.Range:X})");
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Console.WriteLine($" Host ID: {BitConverter.ToString(ef.HostID ?? new byte[0]).Replace('-', ' ')}");
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}
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}
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}
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}
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break;
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case Models.AACS.RecordType.VerifyMediaKey:
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var vmk = record as Models.AACS.VerifyMediaKeyRecord;
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Console.WriteLine($" Ciphertext value: {BitConverter.ToString(vmk.CiphertextValue ?? new byte[0]).Replace('-', ' ')}");
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break;
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case Models.AACS.RecordType.Copyright:
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var c = record as Models.AACS.CopyrightRecord;
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Console.WriteLine($" Copyright: {c.Copyright ?? "[NULL]"}");
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break;
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}
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}
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}
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Console.WriteLine();
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}
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#endregion
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}
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}
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@@ -225,11 +225,11 @@ namespace BurnOutSharp.Wrappers
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{
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var entry = FileTable[i];
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Console.WriteLine($" File Table Entry {i}");
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Console.WriteLine($" Name size = {entry.NameSize} (0x{entry.NameSize:X})");
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Console.WriteLine($" Name = {entry.Name}");
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Console.WriteLine($" Uncompressed size = {entry.UncompressedSize} (0x{entry.UncompressedSize:X})");
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Console.WriteLine($" Offset = {entry.Offset} (0x{entry.Offset:X})");
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Console.WriteLine($" Compressed Size = {entry.CompressedSize} (0x{entry.CompressedSize:X})");
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Console.WriteLine($" Name size: {entry.NameSize} (0x{entry.NameSize:X})");
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Console.WriteLine($" Name: {entry.Name}");
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Console.WriteLine($" Uncompressed size: {entry.UncompressedSize} (0x{entry.UncompressedSize:X})");
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Console.WriteLine($" Offset: {entry.Offset} (0x{entry.Offset:X})");
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Console.WriteLine($" Compressed Size: {entry.CompressedSize} (0x{entry.CompressedSize:X})");
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}
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}
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Console.WriteLine();
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