From 56fe2ff535560a5b7e6461f5925479848b9a9994 Mon Sep 17 00:00:00 2001 From: Alex Barney Date: Tue, 24 Oct 2023 09:26:25 -0700 Subject: [PATCH] Fix loading tickets from a Sha256PartitionFileSystem (#5844) --- src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs b/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs index eaf481dd78..43bd277613 100644 --- a/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs +++ b/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs @@ -264,7 +264,16 @@ namespace Ryujinx.HLE.FileSystem if (result.IsSuccess()) { - Ticket ticket = new(ticketFile.Get.AsStream()); + // When reading a file from a Sha256PartitionFileSystem, you can't start a read in the middle + // of the hashed portion (usually the first 0x200 bytes) of the file and end the read after + // the end of the hashed portion, so we read the ticket file using a single read. + byte[] ticketData = new byte[0x2C0]; + result = ticketFile.Get.Read(out long bytesRead, 0, ticketData); + + if (result.IsFailure() || bytesRead != ticketData.Length) + continue; + + Ticket ticket = new(new MemoryStream(ticketData)); var titleKey = ticket.GetTitleKey(KeySet); if (titleKey != null)