public CnmtContentMetaEntry(BinaryReader reader)
{
TitleId = reader.ReadUInt64();
Version = new TitleVersion(reader.ReadUInt32(), true);
Type = (CnmtContentType)reader.ReadByte();
reader.BaseStream.Position += 3;
}
public CnmtDeltaSetInfo(BinaryReader reader)
{
TitleIdOld = reader.ReadUInt64();
TitleIdNew = reader.ReadUInt64();
VersionOld = new TitleVersion(reader.ReadUInt32());
VersionNew = new TitleVersion(reader.ReadUInt32());
FragmentSetCount = reader.ReadInt64();
DeltaContentCount = reader.ReadInt64();
}
public CnmtPrevDelta(BinaryReader reader)
{
TitleIdOld = reader.ReadUInt64();
TitleIdNew = reader.ReadUInt64();
VersionOld = new TitleVersion(reader.ReadUInt32());
VersionNew = new TitleVersion(reader.ReadUInt32());
Size = reader.ReadInt64();
CnmtPrevDeltaField20 = reader.ReadInt64();
}
public CnmtDeltaInfo(BinaryReader reader)
{
TitleIdOld = reader.ReadUInt64();
TitleIdNew = reader.ReadUInt64();
VersionOld = new TitleVersion(reader.ReadUInt32());
VersionNew = new TitleVersion(reader.ReadUInt32());
Field18 = reader.ReadInt64();
Field20 = reader.ReadInt64();
}
public Cnmt(Stream file)
{
using (var reader = new BinaryReader(file))
{
TitleId = reader.ReadUInt64();
uint version = reader.ReadUInt32();
Type = (TitleType)reader.ReadByte();
TitleVersion = new TitleVersion(version, Type < TitleType.Application);
FieldD = reader.ReadByte();
TableOffset = reader.ReadUInt16();
ContentEntryCount = reader.ReadUInt16();
MetaEntryCount = reader.ReadUInt16();
file.Position += 12;
switch (Type)
{
case TitleType.Application:
ApplicationTitleId = TitleId;
PatchTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case TitleType.Patch:
ApplicationTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case TitleType.AddOnContent:
ApplicationTitleId = reader.ReadUInt64();
MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
break;
}
file.Position = 0x20 + TableOffset;
ContentEntries = new CnmtContentEntry[ContentEntryCount];
MetaEntries = new CnmtContentMetaEntry[MetaEntryCount];
for (int i = 0; i < ContentEntryCount; i++)
{
ContentEntries[i] = new CnmtContentEntry(reader);
}
for (int i = 0; i < MetaEntryCount; i++)
{
MetaEntries[i] = new CnmtContentMetaEntry(reader);
}
if (Type == TitleType.Patch)
{
ExtendedData = new CnmtExtended(reader);
}
Hash = reader.ReadBytes(0x20);
}
}
public CnmtPrevMetaEntry(BinaryReader reader)
{
TitleId = reader.ReadUInt64();
Version = new TitleVersion(reader.ReadUInt32());
Type = (TitleType)reader.ReadByte();
reader.BaseStream.Position += 3;
Hash = reader.ReadBytes(0x20);
ContentCount = reader.ReadInt16();
CnmtPrevMetaEntryField32 = reader.ReadInt16();
CnmtPrevMetaEntryField34 = reader.ReadInt32();
}
public NcaHeader(BinaryReader reader, Keyset keyset)
{
Signature1 = reader.ReadBytes(0x100);
Signature2 = reader.ReadBytes(0x100);
Magic = reader.ReadAscii(4);
if (Magic != "NCA3")
{
throw new InvalidDataException("Not an NCA3 file");
}
reader.BaseStream.Position -= 4;
SignatureData = reader.ReadBytes(0x200);
FixedSigValidity = Crypto.Rsa2048PssVerify(SignatureData, Signature1, keyset.NcaHdrFixedKeyModulus);
reader.BaseStream.Position -= 0x200 - 4;
Distribution = (DistributionType)reader.ReadByte();
ContentType = (ContentType)reader.ReadByte();
CryptoType = reader.ReadByte();
KaekInd = reader.ReadByte();
NcaSize = reader.ReadInt64();
TitleId = reader.ReadUInt64();
reader.BaseStream.Position += 4;
SdkVersion = new TitleVersion(reader.ReadUInt32());
CryptoType2 = reader.ReadByte();
reader.BaseStream.Position += 0xF;
RightsId = reader.ReadBytes(0x10);
for (int i = 0; i < 4; i++)
{
SectionEntries[i] = new NcaSectionEntry(reader);
}
for (int i = 0; i < 4; i++)
{
SectionHashes[i] = reader.ReadBytes(0x20);
}
for (int i = 0; i < 4; i++)
{
EncryptedKeys[i] = reader.ReadBytes(0x10);
}
reader.BaseStream.Position += 0xC0;
for (int i = 0; i < 4; i++)
{
FsHeaders[i] = new NcaFsHeader(reader);
}
}
public Cnmt(Stream file)
{
using (var reader = new BinaryReader(file))
{
TitleId = reader.ReadUInt64();
uint version = reader.ReadUInt32();
Type = (ContentMetaType)reader.ReadByte();
TitleVersion = new TitleVersion(version, Type < ContentMetaType.Application);
FieldD = reader.ReadByte();
TableOffset = reader.ReadUInt16();
ContentEntryCount = reader.ReadUInt16();
MetaEntryCount = reader.ReadUInt16();
// Old, pre-release cnmt files don't have the "required system version" field.
// Try to detect this by reading the padding after that field.
// The old format usually contains hashes there.
file.Position += 8;
int padding = reader.ReadInt32();
bool isOldCnmtFormat = padding != 0;
switch (Type)
{
case ContentMetaType.Application:
ApplicationTitleId = TitleId;
PatchTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case ContentMetaType.Patch:
ApplicationTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case ContentMetaType.AddOnContent:
ApplicationTitleId = reader.ReadUInt64();
MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
break;
}
int baseOffset = isOldCnmtFormat ? 0x18 : 0x20;
file.Position = baseOffset + TableOffset;
ContentEntries = new CnmtContentEntry[ContentEntryCount];
MetaEntries = new CnmtContentMetaEntry[MetaEntryCount];
for (int i = 0; i < ContentEntryCount; i++)
{
ContentEntries[i] = new CnmtContentEntry(reader);
}
for (int i = 0; i < MetaEntryCount; i++)
{
MetaEntries[i] = new CnmtContentMetaEntry(reader);
}
if (Type == ContentMetaType.Patch)
{
ExtendedData = new CnmtExtended(reader);
}
Hash = reader.ReadBytes(0x20);
}
}
