SpotPass: Difference between revisions
I found this out the hard way when I had the ports blocked for un-related reasons. |
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SpotPass downloads/checks for updates every 24 hours? This is basically identical to the system used before for manual system updates: when it's time to check for updates, SpotPass will simultaneously send a system update SOAP request to the server, and also request from nppl*.(nppl* is likely unrelated) | SpotPass downloads/checks for updates every 24 hours? This is basically identical to the system used before for manual system updates: when it's time to check for updates, SpotPass will simultaneously send a system update SOAP request to the server, and also request from nppl*.(nppl* is likely unrelated) | ||
When there's an update available, SpotPass will then download the tmd/ticket over HTTPS and content over HTTP.(like usual) | When there's an update available, SpotPass will then download the tmd/ticket over HTTPS and content over HTTP.(like usual) | ||
== Content Container == | |||
All SpotPass content uses this container to encrypt the payload.(and possibly sign it) The cleartext payload is stored in [[extdata]]. | |||
{| class="wikitable" | |||
|- | |||
! Offset | |||
! Length | |||
! | |||
|- | |||
| 0x0 | |||
| 0x4 | |||
| Magic Number "boss" | |||
|- | |||
| 0x4 | |||
| 0x4 | |||
| Always 00 01 00 01 | |||
|- | |||
| 0x8 | |||
| 0x4 | |||
| Big-endian filesize | |||
|- | |||
| 0xC | |||
| 0x4 | |||
| Always 00 00 00 00 | |||
|- | |||
| 0x10 | |||
| 0x4 | |||
| Release date (UNIX timestamp) | |||
|- | |||
| 0x14 | |||
| 0x8 | |||
| Always 00 01 00 00 00 02 00 02 | |||
|- | |||
| 0x1c | |||
| 0x27a? | |||
| Unknown, going by the size of this a RSA-4096 signature might be stored here among other things? | |||
|} | |||
Data following the header is encrypted, the CTR used is likely based on metadata in the header.(like the timestamp) | |||
It appears that this file format is big-endian, unlike [[CXI]]. | |||
[[Category:Nintendo Software]] | [[Category:Nintendo Software]] | ||