mirror of
https://github.com/SabreTools/NDecrypt.git
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Read and use full headers
This commit is contained in:
Matt Nadareski
@@ -160,14 +160,16 @@ namespace ThreeDS.Headers
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/// Read from a stream and get an NCCH header, if possible
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/// </summary>
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/// <param name="reader">BinaryReader representing the input stream</param>
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/// <param name="readSignature">True if the RSA signature is read, false otherwise</param>
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/// <returns>NCCH header object, null on error</returns>
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public static NCCHHeader Read(BinaryReader reader)
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public static NCCHHeader Read(BinaryReader reader, bool readSignature)
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{
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NCCHHeader header = new NCCHHeader();
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try
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{
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header.RSA2048Signature = reader.ReadBytes(0x100);
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if (readSignature)
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header.RSA2048Signature = reader.ReadBytes(0x100);
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if (new string(reader.ReadChars(4)) != NCCHMagicNumber)
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return null;
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@@ -40,9 +40,34 @@ namespace ThreeDS.Headers
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/// </summary>
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public PartitionTableEntry[] PartitionsTable { get; private set; }
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/// <summary>
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/// Partition table entry for Executable Content (CXI)
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/// </summary>
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public PartitionTableEntry ExecutableContent { get { return PartitionsTable[0]; } }
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/// <summary>
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/// Partition table entry for E-Manual (CFA)
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/// </summary>
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public PartitionTableEntry EManual { get { return PartitionsTable[1]; } }
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/// <summary>
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/// Partition table entry for Download Play Child container (CFA)
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/// </summary>
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public PartitionTableEntry DownloadPlayChildContainer { get { return PartitionsTable[2]; } }
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/// <summary>
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/// Partition table entry for New3DS Update Data (CFA)
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/// </summary>
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public PartitionTableEntry New3DSUpdateData { get { return PartitionsTable[6]; } }
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/// <summary>
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/// Partition table entry for Update Data (CFA)
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/// </summary>
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public PartitionTableEntry UpdateData { get { return PartitionsTable[7]; } }
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#endregion
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#region For carts
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#region CTR Cart Image (CCI) Specific
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/// <summary>
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/// Exheader SHA-256 hash
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@@ -62,13 +87,38 @@ namespace ThreeDS.Headers
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/// <summary>
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/// Partition Flags
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/// </summary>
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private byte[] partitionFlags;
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public byte BackupWriteWaitTime { get { return partitionFlags[(int)NCSDFlags.BackupWriteWaitTime]; } }
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public MediaCardDeviceType MediaCardDevice3X { get { return (MediaCardDeviceType)partitionFlags[(int)NCSDFlags.MediaCardDevice3X]; } }
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public MediaPlatformIndex MediaPlatformIndex { get { return (MediaPlatformIndex)partitionFlags[(int)NCSDFlags.MediaPlatformIndex]; } }
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public MediaTypeIndex MediaTypeIndex { get { return (MediaTypeIndex)partitionFlags[(int)NCSDFlags.MediaTypeIndex]; } }
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public uint SectorSize { get { return (uint)(0x200 * Math.Pow(2, partitionFlags[(int)NCSDFlags.MediaUnitSize])); } }
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public MediaCardDeviceType MediaCardDevice2X { get { return (MediaCardDeviceType)partitionFlags[(int)NCSDFlags.MediaCardDevice2X]; } }
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public byte[] PartitionFlags { get; private set; }
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/// <summary>
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/// Backup Write Wait Time (The time to wait to write save to backup after the card is recognized (0-255
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/// seconds)).NATIVE_FIRM loads this flag from the gamecard NCSD header starting with 6.0.0-11.
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/// </summary>
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public byte BackupWriteWaitTime { get { return PartitionFlags[(int)NCSDFlags.BackupWriteWaitTime]; } }
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/// <summary>
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/// Media Card Device (1 = NOR Flash, 2 = None, 3 = BT) (SDK 3.X+)
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/// </summary>
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public MediaCardDeviceType MediaCardDevice3X { get { return (MediaCardDeviceType)PartitionFlags[(int)NCSDFlags.MediaCardDevice3X]; } }
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/// <summary>
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/// Media Platform Index (1 = CTR)
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/// </summary>
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public MediaPlatformIndex MediaPlatformIndex { get { return (MediaPlatformIndex)PartitionFlags[(int)NCSDFlags.MediaPlatformIndex]; } }
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/// <summary>
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/// Media Type Index (0 = Inner Device, 1 = Card1, 2 = Card2, 3 = Extended Device)
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/// </summary>
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public MediaTypeIndex MediaTypeIndex { get { return (MediaTypeIndex)PartitionFlags[(int)NCSDFlags.MediaTypeIndex]; } }
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/// <summary>
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/// Media Unit Size i.e. u32 MediaUnitSize = 0x200*2^flags[6];
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/// </summary>
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public uint MediaUnitSize { get { return (uint)(0x200 * Math.Pow(2, PartitionFlags[(int)NCSDFlags.MediaUnitSize])); } }
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/// <summary>
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/// Media Card Device (1 = NOR Flash, 2 = None, 3 = BT) (Only SDK 2.X)
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/// </summary>
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public MediaCardDeviceType MediaCardDevice2X { get { return (MediaCardDeviceType)PartitionFlags[(int)NCSDFlags.MediaCardDevice2X]; } }
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/// <summary>
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/// Partition ID table
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@@ -96,11 +146,11 @@ namespace ThreeDS.Headers
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/// <summary>
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/// Support for this was implemented with 9.6.0-X FIRM, see below regarding save crypto.
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/// </summary>
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public byte FIrmUpdateByte2 { get; private set; }
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public byte FirmUpdateByte2 { get; private set; }
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#endregion
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#region For NAND
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#region Raw NAND Format Specific
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/// <summary>
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/// Unknown
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@@ -114,12 +164,95 @@ namespace ThreeDS.Headers
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#endregion
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#region Card Info Header
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/// <summary>
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/// CARD2: Writable Address In Media Units (For 'On-Chip' Savedata). CARD1: Always 0xFFFFFFFF.
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/// </summary>
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public byte[] CARD2WritableAddressMediaUnits { get; private set; }
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/// <summary>
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/// Card Info Bitmask
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/// </summary>
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public byte[] CardInfoBytemask { get; private set; }
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/// <summary>
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/// Reserved1
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/// </summary>
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public byte[] Reserved3 { get; private set; }
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/// <summary>
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/// Title version
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/// </summary>
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public ushort TitleVersion { get; private set; }
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/// <summary>
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/// Card revision
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/// </summary>
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public ushort CardRevision { get; private set; }
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/// <summary>
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/// Reserved2
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/// </summary>
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public byte[] Reserved4 { get; private set; }
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/// <summary>
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/// Card seed keyY (first u64 is Media ID (same as first NCCH partitionId))
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/// </summary>
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public byte[] CardSeedKeyY { get; private set; }
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/// <summary>
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/// Encrypted card seed (AES-CCM, keyslot 0x3B for retail cards, see CTRCARD_SECSEED) /// </summary>
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public byte[] EncryptedCardSeed { get; private set; }
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/// <summary>
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/// Card seed AES-MAC
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/// </summary>
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public byte[] CardSeedAESMAC { get; private set; }
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/// <summary>
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/// Card seed nonce
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/// </summary>
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public byte[] CardSeedNonce { get; private set; }
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/// <summary>
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/// Reserved3
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/// </summary>
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public byte[] Reserved5 { get; private set; }
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/// <summary>
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/// Copy of first NCCH header (excluding RSA signature)
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/// </summary>
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public NCCHHeader BackupHeader { get; private set; }
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#endregion
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#region Development Card Info Header Extension
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/// <summary>
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/// CardDeviceReserved1
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/// </summary>
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public byte[] CardDeviceReserved1 { get; private set; }
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/// <summary>
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/// TitleKey
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/// </summary>
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public byte[] TitleKey { get; private set; }
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/// <summary>
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/// CardDeviceReserved2
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/// </summary>
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public byte[] CardDeviceReserved2 { get; private set; }
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#endregion
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/// <summary>
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/// Read from a stream and get an NCSD header, if possible
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/// </summary>
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/// <param name="reader">BinaryReader representing the input stream</param>
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/// <param name="development">True if development cart, false otherwise</param>
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/// <returns>NCSD header object, null on error</returns>
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public static NCSDHeader Read(BinaryReader reader)
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public static NCSDHeader Read(BinaryReader reader, bool development)
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{
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NCSDHeader header = new NCSDHeader();
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@@ -145,7 +278,7 @@ namespace ThreeDS.Headers
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header.ExheaderHash = reader.ReadBytes(0x20);
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header.AdditionalHeaderSize = reader.ReadUInt32();
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header.SectorZeroOffset = reader.ReadUInt32();
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header.partitionFlags = reader.ReadBytes(8);
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header.PartitionFlags = reader.ReadBytes(8);
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header.PartitionIdTable = new byte[8][];
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for (int i = 0; i < 8; i++)
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@@ -154,7 +287,27 @@ namespace ThreeDS.Headers
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header.Reserved1 = reader.ReadBytes(0x20);
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header.Reserved2 = reader.ReadBytes(0xE);
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header.FirmUpdateByte1 = reader.ReadByte();
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header.FIrmUpdateByte2 = reader.ReadByte();
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header.FirmUpdateByte2 = reader.ReadByte();
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header.CARD2WritableAddressMediaUnits = reader.ReadBytes(4);
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header.CardInfoBytemask = reader.ReadBytes(4);
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header.Reserved3 = reader.ReadBytes(0x108);
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header.TitleVersion = reader.ReadUInt16();
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header.CardRevision = reader.ReadUInt16();
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header.Reserved4 = reader.ReadBytes(0xCEE);
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header.CardSeedKeyY = reader.ReadBytes(0x10);
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header.EncryptedCardSeed = reader.ReadBytes(0x10);
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header.CardSeedAESMAC = reader.ReadBytes(0x10);
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header.CardSeedNonce = reader.ReadBytes(0x10);
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header.Reserved5 = reader.ReadBytes(0xC4);
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header.BackupHeader = NCCHHeader.Read(reader, false);
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if (development)
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{
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header.CardDeviceReserved1 = reader.ReadBytes(0x200);
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header.TitleKey = reader.ReadBytes(0x10);
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header.CardDeviceReserved2 = reader.ReadBytes(0xF0);
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}
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}
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else if (header.PartitionsFSType == FilesystemType.FIRM)
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{
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@@ -66,7 +66,7 @@ namespace ThreeDS
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using (BinaryReader f = new BinaryReader(File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
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using (BinaryWriter g = new BinaryWriter(File.Open(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)))
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{
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NCSDHeader header = NCSDHeader.Read(f);
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NCSDHeader header = NCSDHeader.Read(f, development);
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if (header == null)
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{
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Console.WriteLine("Error: Not a 3DS Rom!");
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@@ -83,9 +83,9 @@ namespace ThreeDS
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}
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// Seek to the beginning of the NCCH partition
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f.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize), SeekOrigin.Begin);
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f.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize), SeekOrigin.Begin);
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NCCHHeader partitionHeader = NCCHHeader.Read(f);
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NCCHHeader partitionHeader = NCCHHeader.Read(f, true);
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if (partitionHeader == null)
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{
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Console.WriteLine($"Partition {p} Unable to read NCCH header");
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@@ -108,12 +108,12 @@ namespace ThreeDS
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ProcessRomFS(f, g, header, p, partitionHeader, false);
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// Write the new CryptoMethod
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize) + 0x18B, SeekOrigin.Begin);
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize) + 0x18B, SeekOrigin.Begin);
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g.Write((byte)CryptoMethod.Original);
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g.Flush();
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// Write the new BitMasks flag
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize) + 0x18F, SeekOrigin.Begin);
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize) + 0x18F, SeekOrigin.Begin);
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BitMasks flag = partitionHeader.Flags.BitMasks;
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flag = flag & (BitMasks)((byte)(BitMasks.FixedCryptoKey | BitMasks.NewKeyYGenerator) ^ 0xFF);
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flag = (flag | BitMasks.NoCrypto);
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@@ -139,17 +139,13 @@ namespace ThreeDS
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using (BinaryReader f = new BinaryReader(File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
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using (BinaryWriter g = new BinaryWriter(File.Open(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)))
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{
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NCSDHeader header = NCSDHeader.Read(f);
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NCSDHeader header = NCSDHeader.Read(f, development);
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if (header == null)
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{
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Console.WriteLine("Error: Not a 3DS Rom!");
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return;
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}
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// Get the backup flags
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f.BaseStream.Seek(0x1188, SeekOrigin.Begin);
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NCCHHeaderFlags backupFlags = NCCHHeaderFlags.Read(f);
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// Iterate over all 8 NCCH partitions
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for (int p = 0; p < 8; p++)
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{
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@@ -160,9 +156,9 @@ namespace ThreeDS
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}
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// Seek to the beginning of the NCCH partition
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f.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize), SeekOrigin.Begin);
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f.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize), SeekOrigin.Begin);
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NCCHHeader partitionHeader = NCCHHeader.Read(f);
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NCCHHeader partitionHeader = NCCHHeader.Read(f, true);
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if (partitionHeader == null)
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{
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Console.WriteLine($"Partition {p} Unable to read NCCH header");
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@@ -177,15 +173,15 @@ namespace ThreeDS
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}
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// Determine the Keys to be used
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SetEncryptionKeys(partitionHeader.RSA2048Signature, backupFlags.BitMasks, backupFlags.CryptoMethod, p);
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SetEncryptionKeys(partitionHeader.RSA2048Signature, header.BackupHeader.Flags.BitMasks, header.BackupHeader.Flags.CryptoMethod, p);
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// Encrypt each of the pieces if they exist
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ProcessExtendedHeader(f, g, header, p, partitionHeader, true);
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ProcessExeFS(f, g, header, p, partitionHeader, true);
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ProcessRomFS(f, g, header, p, partitionHeader, true, backupFlags);
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ProcessRomFS(f, g, header, p, partitionHeader, true, header.BackupHeader.Flags);
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// Write the new CryptoMethod
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize) + 0x18B, SeekOrigin.Begin);
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize) + 0x18B, SeekOrigin.Begin);
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if (p > 0)
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{
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g.Write((byte)CryptoMethod.Original); // For partitions 1 and up, set crypto-method to 0x00
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@@ -193,15 +189,15 @@ namespace ThreeDS
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}
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else
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{
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g.Write((byte)backupFlags.CryptoMethod); // If partition 0, restore crypto-method from backup flags
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g.Write((byte)header.BackupHeader.Flags.CryptoMethod); // If partition 0, restore crypto-method from backup flags
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g.Flush();
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}
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// Write the new BitMasks flag
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.SectorSize) + 0x18F, SeekOrigin.Begin);
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g.BaseStream.Seek((header.PartitionsTable[p].Offset * header.MediaUnitSize) + 0x18F, SeekOrigin.Begin);
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BitMasks flag = partitionHeader.Flags.BitMasks;
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flag = (flag & ((BitMasks.FixedCryptoKey | BitMasks.NewKeyYGenerator | BitMasks.NoCrypto) ^ (BitMasks)0xFF));
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flag = (flag | (BitMasks.FixedCryptoKey | BitMasks.NewKeyYGenerator) & backupFlags.BitMasks);
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flag = (flag | (BitMasks.FixedCryptoKey | BitMasks.NewKeyYGenerator) & header.BackupHeader.Flags.BitMasks);
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g.Write((byte)flag);
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g.Flush();
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}
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@@ -352,8 +348,8 @@ namespace ThreeDS
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{
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if (partitionHeader.ExtendedHeaderSizeInBytes > 0)
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{
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reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset * header.SectorSize) + 0x200, SeekOrigin.Begin);
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writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset * header.SectorSize) + 0x200, SeekOrigin.Begin);
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reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset * header.MediaUnitSize) + 0x200, SeekOrigin.Begin);
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writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset * header.MediaUnitSize) + 0x200, SeekOrigin.Begin);
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Console.WriteLine($"Partition {partitionNumber} ExeFS: " + (encrypt ? "Encrypting" : "Decrypting") + ": ExHeader");
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@@ -387,7 +383,7 @@ namespace ThreeDS
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// For all but the original crypto method, process each of the files in the table
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if (partitionHeader.Flags.CryptoMethod != CryptoMethod.Original)
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{
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reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.SectorSize, SeekOrigin.Begin);
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reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.MediaUnitSize, SeekOrigin.Begin);
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ExeFSHeader exefsHeader = ExeFSHeader.Read(reader);
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if (exefsHeader != null)
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{
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@@ -399,15 +395,15 @@ namespace ThreeDS
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uint datalenM = ((fileHeader.FileSize) / (1024 * 1024));
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uint datalenB = ((fileHeader.FileSize) % (1024 * 1024));
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uint ctroffset = ((fileHeader.FileOffset + header.SectorSize) / 0x10);
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uint ctroffset = ((fileHeader.FileOffset + header.MediaUnitSize) / 0x10);
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byte[] exefsIVWithOffsetForHeader = AddToByteArray(partitionHeader.ExeFSIV, (int)ctroffset);
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var firstCipher = CreateAESCipher(NormalKey, exefsIVWithOffsetForHeader, encrypt);
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var secondCipher = CreateAESCipher(NormalKey2C, exefsIVWithOffsetForHeader, !encrypt);
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reader.BaseStream.Seek((((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) + 1) * header.SectorSize) + fileHeader.FileOffset, SeekOrigin.Begin);
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writer.BaseStream.Seek((((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) + 1) * header.SectorSize) + fileHeader.FileOffset, SeekOrigin.Begin);
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reader.BaseStream.Seek((((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) + 1) * header.MediaUnitSize) + fileHeader.FileOffset, SeekOrigin.Begin);
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writer.BaseStream.Seek((((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) + 1) * header.MediaUnitSize) + fileHeader.FileOffset, SeekOrigin.Begin);
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if (datalenM > 0)
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{
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@@ -435,16 +431,16 @@ namespace ThreeDS
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ProcessExeFSFilenameTable(reader, writer, header, partitionNumber, partitionHeader, encrypt);
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// Process the ExeFS
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int exefsSizeM = (int)((partitionHeader.ExeFSSizeInMediaUnits - 1) * header.SectorSize) / (1024 * 1024);
|
||||
int exefsSizeB = (int)((partitionHeader.ExeFSSizeInMediaUnits - 1) * header.SectorSize) % (1024 * 1024);
|
||||
int ctroffsetE = (int)(header.SectorSize / 0x10);
|
||||
int exefsSizeM = (int)((partitionHeader.ExeFSSizeInMediaUnits - 1) * header.MediaUnitSize) / (1024 * 1024);
|
||||
int exefsSizeB = (int)((partitionHeader.ExeFSSizeInMediaUnits - 1) * header.MediaUnitSize) % (1024 * 1024);
|
||||
int ctroffsetE = (int)(header.MediaUnitSize / 0x10);
|
||||
|
||||
byte[] exefsIVWithOffset = AddToByteArray(partitionHeader.ExeFSIV, ctroffsetE);
|
||||
|
||||
var exeFS = CreateAESCipher(NormalKey2C, exefsIVWithOffset, encrypt);
|
||||
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits + 1) * header.SectorSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits + 1) * header.SectorSize, SeekOrigin.Begin);
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits + 1) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits + 1) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
if (exefsSizeM > 0)
|
||||
{
|
||||
for (int i = 0; i < exefsSizeM; i++)
|
||||
@@ -479,13 +475,13 @@ namespace ThreeDS
|
||||
/// <param name="encrypt">True if we want to encrypt the extended header, false otherwise</param>
|
||||
private void ProcessExeFSFilenameTable(BinaryReader reader, BinaryWriter writer, NCSDHeader header, int partitionNumber, NCCHHeader partitionHeader, bool encrypt)
|
||||
{
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.SectorSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.SectorSize, SeekOrigin.Begin);
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.ExeFSOffsetInMediaUnits) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
|
||||
Console.WriteLine($"Partition {partitionNumber} ExeFS: " + (encrypt ? "Encrypting" : "Decrypting") + $": ExeFS Filename Table");
|
||||
|
||||
var exeFSFilenameTable = CreateAESCipher(NormalKey2C, partitionHeader.ExeFSIV, encrypt);
|
||||
writer.Write(exeFSFilenameTable.ProcessBytes(reader.ReadBytes((int)header.SectorSize)));
|
||||
writer.Write(exeFSFilenameTable.ProcessBytes(reader.ReadBytes((int)header.MediaUnitSize)));
|
||||
writer.Flush();
|
||||
}
|
||||
|
||||
@@ -503,8 +499,8 @@ namespace ThreeDS
|
||||
{
|
||||
if (partitionHeader.RomFSOffsetInMediaUnits != 0)
|
||||
{
|
||||
int romfsSizeM = (int)(partitionHeader.RomFSSizeInMediaUnits * header.SectorSize) / (1024 * 1024);
|
||||
int romfsSizeB = (int)(partitionHeader.RomFSSizeInMediaUnits * header.SectorSize) % (1024 * 1024);
|
||||
int romfsSizeM = (int)(partitionHeader.RomFSSizeInMediaUnits * header.MediaUnitSize) / (1024 * 1024);
|
||||
int romfsSizeB = (int)(partitionHeader.RomFSSizeInMediaUnits * header.MediaUnitSize) % (1024 * 1024);
|
||||
|
||||
// Encrypting RomFS for partitions 1 and up always use Key0x2C
|
||||
if (encrypt && partitionNumber > 0)
|
||||
@@ -529,8 +525,8 @@ namespace ThreeDS
|
||||
|
||||
var cipher = CreateAESCipher(NormalKey, partitionHeader.RomFSIV, encrypt);
|
||||
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.RomFSOffsetInMediaUnits) * header.SectorSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.RomFSOffsetInMediaUnits) * header.SectorSize, SeekOrigin.Begin);
|
||||
reader.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.RomFSOffsetInMediaUnits) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
writer.BaseStream.Seek((header.PartitionsTable[partitionNumber].Offset + partitionHeader.RomFSOffsetInMediaUnits) * header.MediaUnitSize, SeekOrigin.Begin);
|
||||
if (romfsSizeM > 0)
|
||||
{
|
||||
for (int i = 0; i < romfsSizeM; i++)
|
||||
|
||||
Reference in New Issue
Block a user