private static long GetTimeStamp(PKG.PkgProperties props)
{
// FIXME: This is incorrect when DST of current time and project time are different
var timestamp = props.TimeStamp.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
return((long)timestamp);
}
/// <summary>
/// Generates a PfsProperties object for the inner PFS image of a PKG with the given properties.
/// </summary>
/// <param name="props"></param>
/// <returns></returns>
public static PfsProperties MakeInnerPFSProps(PKG.PkgProperties props)
{
// Generate keystone for GP PKGs if it is not already there
if (props.VolumeType == GP4.VolumeType.pkg_ps4_app && props.RootDir.GetFile("sce_sys/keystone") == null)
{
AddFile(props.RootDir, "sce_sys", "keystone", Util.Crypto.CreateKeystone(props.Passcode));
}
var timestamp = props.TimeStamp.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
return(new PfsProperties()
{
root = props.RootDir,
BlockSize = 0x10000,
Encrypt = false,
Sign = false,
FileTime = GetTimeStamp(props),
});
}
/// <summary>
/// Generates a PfsProperties object for the outer PFS image of a PKG with the given properties.
/// </summary>
/// <param name="props">PKG properties to convert from</param>
/// <param name="innerPFS">Inner pfs image to use, presumably from MakeInnerPFSProps</param>
/// <param name="EKPFS">Encryption key for PFS</param>
/// <param name="encrypt">Set to false to make a non-encrypted PFS</param>
/// <returns></returns>
public static PfsProperties MakeOuterPFSProps(PKG.PkgProperties props, PfsBuilder innerPFS, byte[] EKPFS, bool encrypt = true)
{
var root = new FSDir();
root.Files.Add(new FSFile(innerPFS)
{
Parent = root,
});
return(new PfsProperties()
{
root = root,
BlockSize = 0x10000,
Encrypt = encrypt,
Sign = true,
EKPFS = EKPFS,
Seed = new byte[16],
FileTime = GetTimeStamp(props),
});
}
/// <summary>
/// Generates a PfsProperties object for the outer PFS image of a PKG with the given properties.
/// </summary>
/// <param name="props">PKG properties to convert from</param>
/// <param name="innerPFS">Inner pfs image to use, presumably from MakeInnerPFSProps</param>
/// <param name="EKPFS">Encryption key for PFS</param>
/// <param name="encrypt">Set to false to make a non-encrypted PFS</param>
/// <returns></returns>
public static PfsProperties MakeOuterPFSProps(PKG.PkgProperties props, PfsBuilder innerPFS, byte[] EKPFS, bool encrypt = true)
{
var root = new FSDir();
root.Files.Add(new FSFile(innerPFS)
{
Parent = root,
});
return(new PfsProperties()
{
root = root,
BlockSize = 0x10000,
Encrypt = encrypt,
Sign = true,
EKPFS = EKPFS,
// This doesn't seem to really matter when verifying a PKG so use all zeroes for now
Seed = new byte[16],
FileTime = GetTimeStamp(props),
});
}
