Process Services

PS service "ps:ps"

Command Header	Available since system version	Description
0x00010244	1.0.0-0	SignRsaSha256
0x00020244	1.0.0-0	VerifyRsaSha256
Not implemented		SetAesKey (just returns error 0xD8C107F4)
0x00040204	1.0.0-0	EncryptDecryptAes
0x00050284	1.0.0-0	EncryptSignDecryptVerifyAesCcm
0x00060040	1.0.0-0	GetRomId (u32 processID)
0x00070040	1.0.0-0	GetRomId2 (u32 processID)
0x00080040	1.0.0-0	GetRomMakerCode (u32 processID)
0x00090000	1.0.0-0	GetCTRCardAutoStartupBit
0x000A0000	1.0.0-0	GetLocalFriendCodeSeed
0x000B0000	1.0.0-0	GetDeviceId
0x000C0000	1.0.0-0	SeedRNG
0x000D0042	1.0.0-0	GenerateRandomBytes
0x000E0082	New3DS = 8.1.0-0_New3DS, Old3DS = 9.0.0-20	Interface for Process_Services_PXI New3DS command 0x04010084.
0x000F0082	New3DS = 8.1.0-0_New3DS, Old3DS = 9.0.0-20	Interface for Process_Services_PXI New3DS command 0x04020082.
0x00100042	New3DS = 8.1.0-0_New3DS, Old3DS = 9.0.0-20	Interface for Process_Services_PXI New3DS command 0x04030044.
0x00110042	New3DS = 8.1.0-0_New3DS, Old3DS = 9.0.0-20	Interface for Process_Services_PXI New3DS command 0x04040044.

These commands are an interface for Process_Services_PXI.

For GetRomId, GetRomId2, and GetRomMakerCode, PS-module uses FS:GetProgramLaunchInfo with the processID which was sent to PS-module via the command input. If GetProgramLaunchInfo fails, PS-module returns error 0xC90107FA. When the mediatype is value2 for gamecard, the PSPXI command is used, otherwise PS-module just clears the output data for the command response.

PS module does not use any CheckNew3DS commands: commands 0x000E0082..0x00110042 are handled by PS module regardless of whether this is running on Old3DS/New3DS. Using these commands on Old3DS will result in Process9 returning an invalid command header error. NFC module uses all of these new commands for New3DS.