Difference between revisions of "Title metadata"
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| Line 98: | Line 98: | ||
| 32 | | 32 | ||
| SHA-256 hash | | SHA-256 hash | ||
| + | |} | ||
| + | |||
| + | === Content type flags === | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Flags | ||
| + | ! Description | ||
| + | |- | ||
| + | | 1 | ||
| + | | Encrypted | ||
| + | |- | ||
| + | | 2 | ||
| + | | Disc | ||
| + | |- | ||
| + | | 4 | ||
| + | | CFM (abbreviation for?) | ||
| + | |- | ||
| + | | 0x4000 | ||
| + | | Optional | ||
| + | |- | ||
| + | | 0x8000 | ||
| + | | Shared | ||
|} | |} | ||
Revision as of 15:49, 12 July 2011
Title metadata is a format used to store information about a title (a single standalone game, channel, etc.) and all its installed contents, including which contents they consist of and their SHA1 hashes.
Code is available by trap15 to parse the available information from the 3DS format of TMDs.
Structure
Header
| Start | Length | Description | |
| RSA 2048 | RSA 4096 | ||
| 0x000 | 0x000 | 4 | Signature type |
| 0x004 | 0x004 | 256 / 512 | Signature |
| 0x104 | 0x204 | 60 | Padding modulo 64 |
| 0x140 | 0x240 | 64 | Issuer |
| 0x180 | 0x280 | 1 | Version |
| 0x181 | 0x281 | 1 | ca_crl_version |
| 0x182 | 0x282 | 1 | signer_crl_version |
| 0x183 | 0x283 | 1 | Padding modulo 64 |
| 0x184 | 0x284 | 8 | System Version |
| 0x18C | 0x28C | 8 | Title ID |
| 0x194 | 0x294 | 4 | Title type |
| 0x198 | 0x298 | 2 | Group ID |
| 0x19A | 0x29A | 62 | reserved |
| 0x1D8 | 0x2D8 | 4 | Access rights |
| 0x1DC | 0x2DC | 2 | Title version |
| 0x1DE | 0x2DE | 2 | Number of contents (contcount) |
| 0x1E0 | 0x2E0 | 2 | Boot content |
| 0x204 | 0x304 | 36*64 | Content info records |
| 0xB04 | 0xC04 | 48*contcount | Content chunk records |
Content info records
| Start | Length | Description |
|---|---|---|
| 0x00 | 2 | Content index offset |
| 0x02 | 2 | Content command count |
| 0x04 | 32 | SHA-256 hash? Commands? |
Content chunk records
| Start | Length | Description |
|---|---|---|
| 0x00 | 4 | Content id |
| 0x04 | 2 | Content index |
| 0x06 | 2 | Content type |
| 0x08 | 8 | Content size |
| 0x10 | 32 | SHA-256 hash |
Content type flags
| Flags | Description |
|---|---|
| 1 | Encrypted |
| 2 | Disc |
| 4 | CFM (abbreviation for?) |
| 0x4000 | Optional |
| 0x8000 | Shared |
Certificates
| Start | Length | Description |
|---|---|---|
| 0x000 | 4 | Signature type |
| 0x004 | * | Signature |
| 0x104 | 64 | Issuer |
| 0x124 | 4 | Tag |
| 0x128 | 64 | Name |
| 0x168 | Key |
Example code application
enum sig_type {
RSA_2048_SHA256 = 0x00010004,
RSA_4096_SHA256 = 0x00010003,
RSA_2048_SHA1 = 0x00010001,
RSA_4096_SHA1 = 0x00010000
};
// Sorry I removed the example struct because it is wrong.