Activation File
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File Structure
An act.dat file is made up of 1 to 21 sequential activation structures.
The file is truncated to valid activation structures, so its size will be a multiple of 512.
Activation Structure
Fields are big-endian.
| Name | Offset | Size | Example | Remark |
|---|---|---|---|---|
| Signature | 0x000 |
4 | 41 43 54 00 ('ACT\0')
| |
| Version | 0x004 |
2 | 00 00 00 01 |
1 (current) |
| Type | 0x006 |
2 | 00 00 00 02 |
2 or 3 |
| PSN Account ID | 0x008 |
8 | AB CD EF 01 02 34 78 91 |
|
| Start Timestamp | 0x010 |
8 | 00 00 00 00 52 85 64 00 |
Start timestamp (unix/epoch) |
| End Timestamp | 0x018 |
8 | 7F FF FF FF FF FF FF FF |
End timestamp (unix/epoch), typically INT64_MAX |
| Unknown | 0x020 |
64 | - | |
| OpenPsId SHA256 Hash | 0x060 |
32 | - | sha256(sceKernelGetOpenPsIdForSystem())
|
| Unknown | 0x080 |
32 | - | Found to match exactly for different users and consoles. Maybe system version SHA256 hash? |
| Unknown | 0x0A0 |
16 | - | Match exactly to data found in RIF data at 0x260 of same size (KDS RIF only) |
| Unknown | 0x0B0 |
16 | - | Used to decrypt RIF secret data (KDS RIF only) |
| Unknown | 0x0C0 |
64 | - | |
| RSA Signature | 0x100 |
256 | - | Verified using same public key as RIF type 0 |
