Difference between revisions of "DSi cartridge header"
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| Line 131: | Line 131: | ||
| 0x300 | | 0x300 | ||
| 20 | | 20 | ||
| − | | ARM9 hash | + | | ARM9 (with encrypted secure area) SHA1 HMAC hash |
|- | |- | ||
| 0x314 | | 0x314 | ||
| 20 | | 20 | ||
| − | | ARM7 hash | + | | ARM7 SHA1 HMAC hash |
|- | |- | ||
| − | | | + | | ... |
| + | | ... | ||
| + | | ... | ||
| + | |- | ||
| + | | 0x350 | ||
| 20 | | 20 | ||
| − | | ARM9i hash | + | | ARM9i (decrypted) SHA1 HMAC hash |
|- | |- | ||
| − | | | + | | 0x364 |
| 20 | | 20 | ||
| − | | ARM7i hash | + | | ARM7i (decrypted) SHA1 HMAC hash |
|- | |- | ||
| ... | | ... | ||
| Line 151: | Line 155: | ||
| 0xE00 | | 0xE00 | ||
| 0x180 | | 0x180 | ||
| − | | Reserved and unchecked region, always zero | + | | Reserved and unchecked region, always zero. Used for passing arguments in debug environment. |
|- | |- | ||
| 0xF80 | | 0xF80 | ||
Revision as of 01:17, 8 December 2009
| OFFSET | SIZE | DESCRIPTION |
|---|---|---|
| 0x000 | 12 | Game Title |
| 0x00C | 4 | Gamecode |
| 0x010 | 2 | Makercode |
| 0x012 | 1 | Unitcode |
| 0x013 | 1 | Encryption seed select |
| 0x014 | 1 | Devicecapacity |
| 0x015 | 9 | Reserved |
| 0x01E | 1 | ROM Version |
| 0x01F | 1 | Autostart |
| 0x020 | 4 | ARM9 rom offset |
| 0x024 | 4 | ARM9 entry address |
| 0x028 | 4 | ARM9 load address |
| 0x02C | 4 | ARM9 size |
| 0x030 | 4 | ARM7 rom offset |
| 0x034 | 4 | ARM7 entry address |
| 0x038 | 4 | ARM7 load address |
| 0x03C | 4 | ARM7 size |
| ... | ... | Fill me in |
| 0x1B8 | 4 | ARM7 SCFG EXT mask (controls which devices to enable) |
| 0x1BC | 4 | ... |
| 0x1C0 | 4 | ARM9i rom offset |
| 0x1C4 | 4 | ? |
| 0x1C8 | 4 | ARM9i load address |
| 0x1CC | 4 | ARM9i size |
| 0x1D0 | 4 | ARM7i rom offset |
| 0x1D4 | 4 | ? |
| 0x1D8 | 4 | ARM7i load address |
| 0x1DC | 4 | ARM7i size |
| ... | ... | ... |
| 0x230 | 8 | Title ID |
| ... | ... | ... |
| 0x300 | 20 | ARM9 (with encrypted secure area) SHA1 HMAC hash |
| 0x314 | 20 | ARM7 SHA1 HMAC hash |
| ... | ... | ... |
| 0x350 | 20 | ARM9i (decrypted) SHA1 HMAC hash |
| 0x364 | 20 | ARM7i (decrypted) SHA1 HMAC hash |
| ... | ... | ... |
| 0xE00 | 0x180 | Reserved and unchecked region, always zero. Used for passing arguments in debug environment. |
| 0xF80 | 0x80 | RSA signature |
The first 0xE00 bytes of the SRL header is signed with an 1024-bit RSA signature.