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1060
Aaru.Decryption/DVD/CSS.cs
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1060
Aaru.Decryption/DVD/CSS.cs
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File diff suppressed because it is too large
Load Diff
472
Aaru.Decryption/DVD/Dump.cs
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472
Aaru.Decryption/DVD/Dump.cs
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@@ -0,0 +1,472 @@
|
||||
// /***************************************************************************
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||||
// Aaru Data Preservation Suite
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||||
// ----------------------------------------------------------------------------
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||||
//
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||||
// Filename : Dump.cs
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||||
// Author(s) : Rebecca Wallander <sakcheen+github@gmail.com>
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||||
//
|
||||
// --[ Description ] ----------------------------------------------------------
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||||
//
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||||
// SCSI read commands related to Content Scrambling System.
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||||
//
|
||||
// --[ License ] --------------------------------------------------------------
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
//
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||||
// ----------------------------------------------------------------------------
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||||
// Copyright © 2020-2023 Rebecca Wallander
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||||
// ****************************************************************************/
|
||||
|
||||
using System;
|
||||
using System.Linq;
|
||||
using Aaru.Console;
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||||
using Aaru.Decoders.DVD;
|
||||
using Aaru.Devices;
|
||||
|
||||
namespace Aaru.Decryption.DVD;
|
||||
|
||||
public sealed class Dump(Device dev)
|
||||
{
|
||||
const byte KEY_SIZE = 5;
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||||
const byte CHALLENGE_SIZE = 2 * KEY_SIZE;
|
||||
const string MODULE_NAME = "DVD decryption";
|
||||
|
||||
public byte Agid { get; private set; }
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||||
public byte[] BusKey { get; private set; } = Array.Empty<byte>();
|
||||
|
||||
/// <summary>Returns the Authentication Success Flag of the logical unit.</summary>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
/// <param name="buffer">Buffer where the Authentication Success Flag will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
public bool ReadAsf(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
|
||||
out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[8];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
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||||
cdb[9] = (byte)(buffer.Length & 0xFF);
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||||
cdb[10] = (byte)((byte)CssReportKeyFormat.Asf ^ (Agid & 0x03) << 6);
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||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms, duration,
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||||
Agid, sense, dev.LastError);
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||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Returns the Regional Playback Control State of the logical unit.</summary>
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||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
public bool ReadRpc(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
|
||||
out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[8];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssReportKeyFormat.RpcState ^ (Agid & 0x03) << 6);
|
||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms, duration,
|
||||
Agid, sense, dev.LastError);
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||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Invalidates an Authentication Grant ID.</summary>
|
||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool InvalidateAgid(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
|
||||
out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = Array.Empty<byte>();
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
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cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
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||||
cdb[9] = (byte)(buffer.Length & 0xFF);
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||||
cdb[10] = (byte)((byte)CssReportKeyFormat.InvalidateAgid ^ (Agid & 0x03) << 6);
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||||
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||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.INVALIDATE_AGID_AGID_1_Sense_2_Last_Error_3_took_0_ms,
|
||||
duration, Agid, sense, dev.LastError);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Returns a valid Authentication Grant ID for CSS/CPPM.</summary>
|
||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
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||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool ReportAgidCssCppm(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
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||||
out double duration)
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||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
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||||
buffer = new byte[8];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
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||||
cdb[9] = (byte)(buffer.Length & 0xFF);
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||||
cdb[10] = (byte)((byte)CssReportKeyFormat.AgidForCssCppm ^ (Agid & 0x03) << 6);
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||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
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||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.REPORT_AGID_CSS_CPPM_AGID_1_Sense_2_Last_Error_3_took_0_ms,
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||||
duration, Agid, sense, dev.LastError);
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||||
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||||
return sense;
|
||||
}
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||||
|
||||
/// <summary>Returns KEY1 from the logical unit.</summary>
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||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool ReportKey1(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
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||||
out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[12];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
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||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssReportKeyFormat.Key1 ^ (Agid & 0x03) << 6);
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||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.REPORT_KEY1_AGID_1_Sense_2_Last_Error_3_took_0_ms,
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||||
duration, Agid, sense, dev.LastError);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Returns the challenge from the logical unit.</summary>
|
||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool ReportChallenge(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, uint timeout,
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out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[16];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssReportKeyFormat.ChallengeKey ^ (Agid & 0x03) << 6);
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|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
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AaruConsole.DebugWriteLine(MODULE_NAME, Localization.REPORT_CHALLENGE_AGID_1_Sense_2_Last_Error_3_took_0_ms,
|
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duration, Agid, sense, dev.LastError);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Send a challenge to the logical unit.</summary>
|
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/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
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/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="challengeKey">The challenge; can be any 10 bytes.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
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public bool SendChallenge(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, byte[] challengeKey,
|
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uint timeout, out double duration)
|
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{
|
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senseBuffer = new byte[64];
|
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var cdb = new byte[12];
|
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buffer = new byte[16];
|
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|
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cdb[0] = (byte)ScsiCommands.SendKey;
|
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cdb[7] = (byte)keyClass;
|
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cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssSendKeyFormat.ChallengeKey ^ (Agid & 0x03) << 6);
|
||||
buffer[0] = (byte)((buffer.Length - 2 & 0xFF00) >> 8);
|
||||
buffer[1] = (byte)(buffer.Length - 2 & 0xFF);
|
||||
buffer[4] = challengeKey[9];
|
||||
buffer[5] = challengeKey[8];
|
||||
buffer[6] = challengeKey[7];
|
||||
buffer[7] = challengeKey[6];
|
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buffer[8] = challengeKey[5];
|
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buffer[9] = challengeKey[4];
|
||||
buffer[10] = challengeKey[3];
|
||||
buffer[11] = challengeKey[2];
|
||||
buffer[12] = challengeKey[1];
|
||||
buffer[13] = challengeKey[0];
|
||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.Out, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME,
|
||||
Localization.SEND_CHALLENGE_AGID_1_Challenge_2_Sense_3_Last_Error_4_took_0_ms,
|
||||
duration, Agid, challengeKey, sense, dev.LastError);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Send KEY2 to the logical unit.</summary>
|
||||
/// <param name="buffer">Buffer where the Regional Playback Control State will be stored.</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="key2">The KEY2 message.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool SendKey2(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, byte[] key2, uint timeout,
|
||||
out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[12];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.SendKey;
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssSendKeyFormat.Key2 ^ (Agid & 0x03) << 6);
|
||||
buffer[0] = (byte)((buffer.Length - 2 & 0xFF00) >> 8);
|
||||
buffer[1] = (byte)(buffer.Length - 2 & 0xFF);
|
||||
buffer[4] = key2[4];
|
||||
buffer[5] = key2[3];
|
||||
buffer[6] = key2[2];
|
||||
buffer[7] = key2[1];
|
||||
buffer[8] = key2[0];
|
||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.Out, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME,
|
||||
Localization.SEND_CHALLENGE_AGID_1_KEY2_2_Sense_3_Last_Error_4_took_0_ms, duration,
|
||||
Agid, key2, sense, dev.LastError);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Returns the encrypted disc key of the MMC logical unit</summary>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
/// <param name="buffer">Buffer where the bus key will be stored</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
public bool ReadDiscKey(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
|
||||
{
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[2052];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReadDiscStructure;
|
||||
cdb[1] = (byte)MmcDiscStructureMediaType.Dvd & 0x0F;
|
||||
cdb[6] = 0;
|
||||
cdb[7] = (byte)MmcDiscStructureFormat.DiscKey;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((Agid & 0x03) << 6);
|
||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
return sense;
|
||||
}
|
||||
|
||||
/// <summary>Returns the bus key of the MMC logical unit</summary>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
/// <param name="buffer">Buffer where the bus key will be stored</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="protectionType">The type of protection the logical unit reports</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
public bool ReadBusKey(out byte[] buffer, out byte[] senseBuffer, CopyrightType protectionType, uint timeout,
|
||||
out double duration)
|
||||
{
|
||||
duration = 0;
|
||||
buffer = Array.Empty<byte>();
|
||||
senseBuffer = new byte[64];
|
||||
|
||||
var sense = false;
|
||||
var challenge = new byte[CHALLENGE_SIZE];
|
||||
var key1 = new byte[KEY_SIZE];
|
||||
byte variant = 0;
|
||||
|
||||
for(byte i = 0; i < 4; i++)
|
||||
{
|
||||
// Invalidate AGID to reset any previous drive communications
|
||||
Agid = i;
|
||||
|
||||
sense = InvalidateAgid(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, timeout, out duration);
|
||||
|
||||
switch(protectionType)
|
||||
{
|
||||
// Get AGID
|
||||
case CopyrightType.CSS:
|
||||
sense = ReportAgidCssCppm(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, timeout,
|
||||
out duration);
|
||||
|
||||
break;
|
||||
case CopyrightType.CPRM:
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
|
||||
if(sense)
|
||||
continue;
|
||||
|
||||
Agid = (byte)(buffer[7] >> 6);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
if(sense)
|
||||
return true;
|
||||
|
||||
for(byte i = 0; i < CHALLENGE_SIZE; i++)
|
||||
challenge[i] = i;
|
||||
|
||||
sense = SendChallenge(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, challenge, timeout,
|
||||
out duration);
|
||||
|
||||
if(sense)
|
||||
return true;
|
||||
|
||||
sense = ReportKey1(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, timeout, out duration);
|
||||
|
||||
if(sense)
|
||||
return true;
|
||||
|
||||
for(byte i = 0; i < KEY_SIZE; i++)
|
||||
key1[i] = buffer[8 - i];
|
||||
|
||||
for(byte i = 0; i < 32; i++)
|
||||
{
|
||||
CSS.EncryptKey(DvdCssKeyType.Key1, i, challenge, out byte[] keyCheck);
|
||||
|
||||
if(key1.SequenceEqual(keyCheck))
|
||||
{
|
||||
variant = i;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
if(i < 31)
|
||||
continue;
|
||||
|
||||
senseBuffer = Array.Empty<byte>();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
sense = ReportChallenge(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, timeout, out duration);
|
||||
|
||||
if(sense)
|
||||
return true;
|
||||
|
||||
for(byte i = 0; i < CHALLENGE_SIZE; i++)
|
||||
challenge[i] = buffer[13 - i];
|
||||
|
||||
CSS.EncryptKey(DvdCssKeyType.Key2, variant, challenge, out byte[] key2);
|
||||
|
||||
sense = SendKey2(out buffer, out senseBuffer, DvdCssKeyClass.DvdCssCppmOrCprm, key2, timeout, out duration);
|
||||
|
||||
if(sense)
|
||||
return true;
|
||||
|
||||
key1.CopyTo(challenge, 0);
|
||||
key2.CopyTo(challenge, key1.Length);
|
||||
CSS.EncryptKey(DvdCssKeyType.BusKey, variant, challenge, out buffer);
|
||||
|
||||
BusKey = buffer;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/// <summary>Reads a title key for a sector on the disc.</summary>
|
||||
/// <param name="buffer">Buffer where the bus key will be stored</param>
|
||||
/// <param name="senseBuffer">Sense buffer.</param>
|
||||
/// <param name="keyClass">Key class.</param>
|
||||
/// <param name="address">The sector address to get the key for.</param>
|
||||
/// <param name="timeout">Timeout in seconds.</param>
|
||||
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
|
||||
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
|
||||
public bool ReadTitleKey(out byte[] buffer, out byte[] senseBuffer, DvdCssKeyClass keyClass, ulong address,
|
||||
uint timeout, out double duration)
|
||||
{
|
||||
// We need to be in a bus key state to read title keys. Only CSS has title keys.
|
||||
ReadBusKey(out buffer, out senseBuffer, CopyrightType.CSS, timeout, out duration);
|
||||
|
||||
BusKey = buffer;
|
||||
|
||||
senseBuffer = new byte[64];
|
||||
var cdb = new byte[12];
|
||||
buffer = new byte[12];
|
||||
|
||||
cdb[0] = (byte)ScsiCommands.ReportKey;
|
||||
cdb[2] = (byte)((address & 0xFF000000) >> 24);
|
||||
cdb[3] = (byte)((address & 0xFF0000) >> 16);
|
||||
cdb[4] = (byte)((address & 0xFF00) >> 8);
|
||||
cdb[5] = (byte)(address & 0xFF);
|
||||
cdb[7] = (byte)keyClass;
|
||||
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
|
||||
cdb[9] = (byte)(buffer.Length & 0xFF);
|
||||
cdb[10] = (byte)((byte)CssReportKeyFormat.TitleKey ^ (Agid & 0x03) << 6);
|
||||
|
||||
dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
|
||||
|
||||
AaruConsole.DebugWriteLine(MODULE_NAME, Localization.GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms, duration,
|
||||
Agid, address, sense);
|
||||
|
||||
return sense;
|
||||
}
|
||||
}
|
||||
168
Aaru.Decryption/DVD/MPEG.cs
Normal file
168
Aaru.Decryption/DVD/MPEG.cs
Normal file
@@ -0,0 +1,168 @@
|
||||
// /***************************************************************************
|
||||
// Aaru Data Preservation Suite
|
||||
// ----------------------------------------------------------------------------
|
||||
//
|
||||
// Filename : MPEG.cs
|
||||
// Author(s) : Rebecca Wallander <sakcheen+github@gmail.com>
|
||||
//
|
||||
// --[ Description ] ----------------------------------------------------------
|
||||
//
|
||||
// Handles MPEG packets functionality.
|
||||
//
|
||||
// --[ License ] --------------------------------------------------------------
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
// ----------------------------------------------------------------------------
|
||||
// Copyright © 2023 Rebecca Wallander
|
||||
// ****************************************************************************/
|
||||
|
||||
// http://www.mpucoder.com/DVD/vobov.html
|
||||
|
||||
using System.Collections.Generic;
|
||||
using System.Diagnostics.CodeAnalysis;
|
||||
using System.Linq;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
// ReSharper disable UnusedMember.Global
|
||||
|
||||
namespace Aaru.Decryption.DVD;
|
||||
|
||||
[SuppressMessage("ReSharper", "UnusedType.Global")]
|
||||
public class Mpeg
|
||||
{
|
||||
#region Mpeg2StreamId enum
|
||||
|
||||
public enum Mpeg2StreamId : byte
|
||||
{
|
||||
ProgramEnd = 0xB9,
|
||||
PackHeader = 0xBA,
|
||||
SystemHeader = 0xBB,
|
||||
ProgramStreamMap = 0xBC,
|
||||
PrivateStream1 = 0xBD,
|
||||
PaddingStream = 0xBE,
|
||||
PrivateStream2 = 0xBF,
|
||||
EcmStream = 0xF0,
|
||||
EmmStream = 0xF1,
|
||||
ItuTRecH222_0_Or_IsoIec13818_1AnnexA_Or_IsoIec13818_6DsmccStream = 0xF2,
|
||||
IsoIec13522Stream = 0xF3,
|
||||
ItuTRecH222_1TypeA = 0xF4,
|
||||
ItuTRecH222_1TypeB = 0xF5,
|
||||
ItuTRecH222_1TypeC = 0xF6,
|
||||
ItuTRecH222_1TypeD = 0xF7,
|
||||
ItuTRecH222_1TypeE = 0xF8,
|
||||
AncillaryStream = 0xF9,
|
||||
Reserved1 = 0xFA,
|
||||
Reserved2 = 0xFB,
|
||||
Reserved3 = 0xFC,
|
||||
Reserved4 = 0xFD,
|
||||
Reserved5 = 0xFE,
|
||||
ProgramStreamDirectory = 0xFF,
|
||||
|
||||
// DVD Video can only hold 8 audio streams
|
||||
MpegAudioStream1 = 0xC0,
|
||||
MpegAudioStream2 = 0xC1,
|
||||
MpegAudioStream3 = 0xC2,
|
||||
MpegAudioStream4 = 0xC3,
|
||||
MpegAudioStream5 = 0xC4,
|
||||
MpegAudioStream6 = 0xC5,
|
||||
MpegAudioStream7 = 0xC6,
|
||||
MpegAudioStream8 = 0xC7,
|
||||
MpegAudioStream9 = 0xC8,
|
||||
MpegAudioStream10 = 0xC9,
|
||||
MpegAudioStream11 = 0xCA,
|
||||
MpegAudioStream12 = 0xCB,
|
||||
MpegAudioStream13 = 0xCC,
|
||||
MpegAudioStream14 = 0xCD,
|
||||
MpegAudioStream15 = 0xCE,
|
||||
MpegAudioStream16 = 0xCF,
|
||||
MpegAudioStream17 = 0xD0,
|
||||
MpegAudioStream18 = 0xD1,
|
||||
MpegAudioStream19 = 0xD2,
|
||||
MpegAudioStream20 = 0xD3,
|
||||
MpegAudioStream21 = 0xD4,
|
||||
MpegAudioStream22 = 0xD5,
|
||||
MpegAudioStream23 = 0xD6,
|
||||
MpegAudioStream24 = 0xD7,
|
||||
MpegAudioStream25 = 0xD8,
|
||||
MpegAudioStream26 = 0xD9,
|
||||
MpegAudioStream27 = 0xDA,
|
||||
MpegAudioStream28 = 0xDB,
|
||||
MpegAudioStream29 = 0xDC,
|
||||
MpegAudioStream30 = 0xDD,
|
||||
MpegAudioStream31 = 0xDE,
|
||||
MpegAudioStream32 = 0xDF,
|
||||
|
||||
// DVD Video can only hold 1 video stream
|
||||
MpegVideStream1 = 0xE0,
|
||||
MpegVideStream2 = 0xE1,
|
||||
MpegVideStream3 = 0xE2,
|
||||
MpegVideStream4 = 0xE3,
|
||||
MpegVideStream5 = 0xE4,
|
||||
MpegVideStream6 = 0xE5,
|
||||
MpegVideStream7 = 0xE6,
|
||||
MpegVideStream8 = 0xE7,
|
||||
MpegVideStream9 = 0xE8,
|
||||
MpegVideStream10 = 0xE9,
|
||||
MpegVideStream11 = 0xEA,
|
||||
MpegVideStream12 = 0xEB,
|
||||
MpegVideStream13 = 0xEC,
|
||||
MpegVideStream14 = 0xED,
|
||||
MpegVideStream15 = 0xEE,
|
||||
MpegVideStream16 = 0xEF
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
static readonly byte[] _mpeg2PackHeaderStartCode =
|
||||
{
|
||||
0x0, 0x0, 0x1
|
||||
};
|
||||
|
||||
public static bool ContainsMpegPackets(byte[] sectorData, uint blocks = 1, uint blockSize = 2048)
|
||||
{
|
||||
for(uint i = 0; i < blocks; i++)
|
||||
{
|
||||
if(IsMpegPacket(sectorData.Skip((int)(i * blockSize))))
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public static bool IsMpegPacket(IEnumerable<byte> sector) =>
|
||||
sector.Take(3).ToArray().SequenceEqual(_mpeg2PackHeaderStartCode);
|
||||
|
||||
#region Nested type: MpegHeader
|
||||
|
||||
public struct MpegHeader
|
||||
{
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
|
||||
public byte[] StartCode;
|
||||
public byte PackIdentifier;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
|
||||
public byte[] SCRBlock;
|
||||
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
|
||||
public byte[] ProgramMuxRateBlock;
|
||||
byte _packStuffingLengthBlock;
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
Reference in New Issue
Block a user