public Validity Verify(IProgressReport logger = null)
{
Validity journalValidity = CoreDataIvfcStorage.Validate(true, logger);
CoreDataIvfcStorage.SetLevelValidities(Header.Ivfc);
if (FatIvfcStorage == null)
{
return(journalValidity);
}
Validity fatValidity = FatIvfcStorage.Validate(true, logger);
FatIvfcStorage.SetLevelValidities(Header.Ivfc);
if (journalValidity != Validity.Valid)
{
return(journalValidity);
}
if (fatValidity != Validity.Valid)
{
return(fatValidity);
}
return(journalValidity);
}
public Result Commit(Keyset keyset)
{
CoreDataIvfcStorage.Flush();
FatIvfcStorage?.Flush();
Stream headerStream = BaseStorage.AsStream();
var hashData = new byte[0x3d00];
headerStream.Position = 0x300;
headerStream.Read(hashData, 0, hashData.Length);
byte[] hash = Crypto.ComputeSha256(hashData, 0, hashData.Length);
headerStream.Position = 0x108;
headerStream.Write(hash, 0, hash.Length);
if (keyset == null || keyset.SaveMacKey.IsEmpty())
{
return(ResultFs.PreconditionViolation);
}
var cmacData = new byte[0x200];
var cmac = new byte[0x10];
headerStream.Position = 0x100;
headerStream.Read(cmacData, 0, 0x200);
Crypto.CalculateAesCmac(keyset.SaveMacKey, cmacData, 0, cmac, 0, 0x200);
headerStream.Position = 0;
headerStream.Write(cmac, 0, 0x10);
headerStream.Flush();
return(Result.Success);
}
public void FsTrim()
{
MetaRemapStorage.FsTrim();
DataRemapStorage.FsTrim();
DuplexStorage.FsTrim();
JournalStorage.FsTrim();
CoreDataIvfcStorage.FsTrim();
FatIvfcStorage?.FsTrim();
SaveDataFileSystemCore.FsTrim();
int unusedHeaderOffset = IsFirstHeaderInUse ? 0x4000 : 0;
BaseStorage.Slice(unusedHeaderOffset, 0x4000).Fill(TrimFillValue);
}
public Result Commit(Keyset keyset)
{
CoreDataIvfcStorage.Flush();
FatIvfcStorage?.Flush();
Stream headerStream = BaseStorage.AsStream();
var hashData = new byte[0x3d00];
headerStream.Position = 0x300;
headerStream.Read(hashData, 0, hashData.Length);
var hash = new byte[Sha256.DigestSize];
Sha256.GenerateSha256Hash(hashData, hash);
headerStream.Position = 0x108;
headerStream.Write(hash, 0, hash.Length);
if (keyset == null || keyset.SaveMacKey.IsEmpty())
{
return(ResultFs.PreconditionViolation.Log());
}
var cmacData = new byte[0x200];
var cmac = new byte[0x10];
headerStream.Position = 0x100;
headerStream.Read(cmacData, 0, 0x200);
Aes.CalculateCmac(cmac, cmacData, keyset.SaveMacKey);
headerStream.Position = 0;
headerStream.Write(cmac, 0, 0x10);
headerStream.Flush();
return(Result.Success);
}
