The ACT module handles NNID accounts.
ACT service "act:a"
ACT service "act:u"
| Command Header | Available since system-version | Description |
|---|---|---|
| 0x00010084 | Initialize? cmd[1] = u32 ctrsdkversion_probably, cmd[2] = unknown, cmd[3] = 0x20(kernel PID header), cmd[4] = PID value written by kernel, cmd[5] = 0x0(handle-transfer header for kernel), cmd[6] = handle value. | |
| 0x00020040 | Unknown | |
| 0x000600C2 | GetAccountDataBlock |
This is the service used by regular applications.
HTTPS Requests
Trusted Root CAs
ACT module uses a RootCertChain for all HTTPS requests, the only trusted root CA is default CertID 0x3.
New3DS
Even though ACT-sysmodule uses ptm:s, it doesn't use CheckNew3DS at all. It's unknown how this sysmodule determines whether to use "CTR"/"KTR" for a request-header value for HTTPS requests.