RIF
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RIF is the acronym for Rights Information File (found in PSP SDK). For Network and Local DRM, it is tied to act.dat (see NPDRM for more information). For Free DRM, it is not bound to act.dat. It contains information needed to derive the Key Licensee of the bound content.
Structure
| Offset | Size | Notes |
|---|---|---|
| 0x00 | 2 | Version (shared with act.dat) |
| 0x02 | 2 | Version flag (shared with act.dat) |
| 0x04 | 2 | DRM Type |
| 0x06 | 2 | License Flags |
| 0x08 | 8 | NP Account ID (in little-endian) for Network and Local DRM, 8 first bytes of sha-1 of some key for Free DRM. |
| 0x10 | 0x30 | Content ID |
| 0x40 | 0x10 | Encrypted account keyring index for Network and Local DRM, 12 last bytes of sha-1 of some key + 4 bytes of zeroes for Free DRM. |
| 0x50 | 0x10 | Encrypted RIF Key |
| 0x60 | 8 | License start time |
| 0x68 | 8 | License expiration time |
| 0x70 | 0x28 | ECDSA Signature |
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