public static Validity VerifySection(this Nca nca, Nca patchNca, int index, IProgressReport logger = null, bool quiet = false)
{
NcaFsHeader sect = nca.Header.GetFsHeader(index);
NcaHashType hashType = sect.HashType;
if (hashType != NcaHashType.Sha256 && hashType != NcaHashType.Ivfc)
{
return(Validity.Unchecked);
}
var stream = nca.OpenStorageWithPatch(patchNca, index, IntegrityCheckLevel.IgnoreOnInvalid)
as HierarchicalIntegrityVerificationStorage;
if (stream == null)
{
return(Validity.Unchecked);
}
if (!quiet)
{
logger?.LogMessage($"Verifying section {index}...");
}
Validity validity = stream.Validate(true, logger);
return(validity);
}
public NcaFsHeader(BinaryReader reader)
{
long start = reader.BaseStream.Position;
Version = reader.ReadInt16();
FormatType = (NcaFormatType)reader.ReadByte();
HashType = (NcaHashType)reader.ReadByte();
EncryptionType = (NcaEncryptionType)reader.ReadByte();
reader.BaseStream.Position += 3;
switch (HashType)
{
case NcaHashType.Sha256:
Sha256Info = new Sha256Info(reader);
break;
case NcaHashType.Ivfc:
IvfcInfo = new IvfcHeader(reader);
break;
}
if (EncryptionType == NcaEncryptionType.AesCtrEx)
{
BktrInfo = new BktrPatchInfo();
reader.BaseStream.Position = start + 0x100;
BktrInfo.RelocationHeader = new BktrHeader(reader);
BktrInfo.EncryptionHeader = new BktrHeader(reader);
}
if (FormatType == NcaFormatType.Pfs0)
{
Type = SectionType.Pfs0;
}
else if (FormatType == NcaFormatType.Romfs)
{
if (EncryptionType == NcaEncryptionType.AesCtrEx)
{
Type = SectionType.Bktr;
}
else
{
Type = SectionType.Romfs;
}
}
reader.BaseStream.Position = start + 0x140;
Ctr = reader.ReadBytes(8).Reverse().ToArray();
reader.BaseStream.Position = start + 512;
}
public static Validity VerifySection(this Nca nca, int index, IProgressReport logger = null, bool quiet = false)
{
if (nca.Sections[index] == null)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
NcaSection sect = nca.Sections[index];
NcaHashType hashType = sect.Header.HashType;
if (hashType != NcaHashType.Sha256 && hashType != NcaHashType.Ivfc)
{
return(Validity.Unchecked);
}
var stream = nca.OpenStorage(index, IntegrityCheckLevel.IgnoreOnInvalid, false)
as HierarchicalIntegrityVerificationStorage;
if (stream == null)
{
return(Validity.Unchecked);
}
if (!quiet)
{
logger?.LogMessage($"Verifying section {index}...");
}
Validity validity = stream.Validate(true, logger);
if (hashType == NcaHashType.Ivfc)
{
stream.SetLevelValidities(sect.Header.IvfcInfo);
}
else if (hashType == NcaHashType.Sha256)
{
sect.Header.Sha256Info.HashValidity = validity;
}
return(validity);
}
