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Identify NpTicket platform based on signature identifier instead of issuer ID #1062

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merged 4 commits into from
Sep 10, 2024
Merged

Identify NpTicket platform based on signature identifier instead of issuer ID #1062

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8787840
Identify platform based on signature identifier instead of issuer id
Slendy Sep 10, 2024
4d879b1
Use signature identifier to identify PS3
Slendy Sep 10, 2024
160699f
Merge branch 'main' into rpcn-identifier
Slendy Sep 10, 2024
c4a5f7e
Remove extra whitespace
Slendy Sep 10, 2024
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26 changes: 9 additions & 17 deletions ProjectLighthouse/Tickets/NPTicket.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,19 +78,13 @@ private static bool ReadTicket(NPTicket npTicket, TicketReader reader)

if (!ticketParser.ParseTicket()) return false;

// Create a uint in big endian
uint signatureIdentifier = (uint)(npTicket.TicketSignatureIdentifier[0] << 24 |
npTicket.TicketSignatureIdentifier[1] << 16 |
npTicket.TicketSignatureIdentifier[2] << 8 |
npTicket.TicketSignatureIdentifier[3]);

npTicket.SignatureVerifier = signatureIdentifier switch
npTicket.SignatureVerifier = npTicket.TicketSignatureIdentifier switch
{
0x5250434E => new RpcnSignatureVerifier(npTicket),
0x719F1D4A => new PsnSignatureVerifier(npTicket),
0x54455354 => new UnitTestSignatureVerifier(npTicket),
[0x71, 0x9F, 0x1D, 0x4A,] => new PsnSignatureVerifier(npTicket), // PSN LBP Signature Identifier
[0x52, 0x50, 0x43, 0x4E,] => new RpcnSignatureVerifier(npTicket), // 'RPCN' in ascii
[0x54, 0x45, 0x53, 0x54,] => new UnitTestSignatureVerifier(npTicket), // 'TEST' in ascii
_ => throw new ArgumentOutOfRangeException(nameof(npTicket),
signatureIdentifier,
npTicket.TicketSignatureIdentifier,
@"Invalid signature identifier"),
};

Expand Down Expand Up @@ -159,13 +153,11 @@ private static bool ReadTicket(NPTicket npTicket, TicketReader reader)
return null;
}

// Production PSN Issuer ID: 0x100
// RPCN Issuer ID: 0x33333333
npTicket.Platform = npTicket.IssuerId switch
npTicket.Platform = npTicket.SignatureVerifier switch
{
0x100 => Platform.PS3,
0x33333333 => Platform.RPCS3,
0x74657374 => Platform.UnitTest,
PsnSignatureVerifier => Platform.PS3,
RpcnSignatureVerifier => Platform.RPCS3,
UnitTestSignatureVerifier => Platform.UnitTest,
_ => Platform.Unknown,
};

Expand Down
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