Process Services PXI

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Command Header Available since system version Description
0x000100C6 1.0.0-0 This crypts a raw message with RSA.
0x00020284 1.0.0-0 SignRsaSha256
0x00030284 1.0.0-0 VerifyRsaSha256
0x000401C4 1.0.0-0 EncryptDecryptAes
0x00050284 1.0.0-0 EncryptSignDecryptVerifyAesCcm
0x00060000 1.0.0-0 GetRomId. This reads 0x40-bytes from gamecard command 0xC6 (gamecard-uniqueID), and returns the first 0x10-bytes from that since the rest of the command reply is all 0xFF-bytes.
0x00070000 1.0.0-0 GetRomId2. The first u8 this returns is from GetRomMakerCode, the following 0x10-bytes are from encrypting the 0x10-bytes which GetRomId also returns. This is encrypted with AES-CBC, the regular normal-key and IV set by Process9 for this are loaded from the Process9 .rodata section.
0x00080000 1.0.0-0 GetCTRCardAutoStartupBit
0x00090000 1.0.0-0 GetRomMakerCode
0x000A0000 1.0.0-0 GetLocalFriendCodeSeed
0x000B0000 1.0.0-0 GetDeviceId
0x000C0042 1.0.0-0 GatherEntropy
0x000D0042 1.0.0-0 GenerateRandomBytes
0x000E0042 1.0.0-0, removed with 2.0.0-2 With 2.0.0-2 the system no longer handles this command at all. This was mostly the same as GenerateRandomBytes.
0x04010084 8.1.0-0_New3DS New_3DS-only
0x04020082 8.1.0-0_New3DS New_3DS-only
0x04030044 8.1.0-0_New3DS New_3DS-only
0x04040044 8.1.0-0_New3DS New_3DS-only

These RSA commands are an interface for using the RSA engine. The system will hang when it attempts to use a >RSA-2048 RSA bit-size with the RSA engine, since the RSA engine does not support >RSA-2048.