Difference between revisions of "Ticket"
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− | + | Tickets are found in many encrypted files used by the Wii (e.g. [[WAD Files]] or [[Wiidisc|Wiidiscs]]). They contain the encrypted [http://en.wikipedia.org/wiki/Advanced_Encryption_Standard AES] "title key" and the Title ID of the data and are signed by a certificate from a [[certificate chain]] (which usually is the same for all titles and stored somewhere on the NAND). | |
− | == | + | So far only tickets with [http://en.wikipedia.org/wiki/RSA RSA-2048] signatures have been seen. (Discs will only work with those signatures because the size of partition ticket is always 0x2a4) |
− | === | + | |
− | + | === File structure === | |
− | + | {| class="wikitable" | |
+ | |- | ||
+ | ! Start | ||
+ | ! End | ||
+ | ! Length | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0000 | ||
+ | | 0x0003 | ||
+ | | 0x04 | ||
+ | | Signature type (always 0x10001 for RSA-2048) | ||
+ | |- | ||
+ | | 0x0004 | ||
+ | | 0x0103 | ||
+ | | 0x100 | ||
+ | | Signature by a certificate's key (everything after this field is covered by this signature) | ||
+ | |- | ||
+ | | 0x0104 | ||
+ | | 0x013f | ||
+ | | 0x3c | ||
+ | | Padding (Always 0) | ||
+ | |- | ||
+ | | 0x0140 | ||
+ | | 0x017f | ||
+ | | 0x40 | ||
+ | | Signature issuer | ||
+ | |- | ||
+ | | 0x0180 | ||
+ | | 0x01be | ||
+ | | 0x3f | ||
+ | | Unknown (0, unless it is a VC game) | ||
+ | |- | ||
+ | | 0x01bf | ||
+ | | 0x01ce | ||
+ | | 0x10 | ||
+ | | Encrypted title key | ||
+ | |- | ||
+ | | 0x01cf | ||
+ | | 0x01cf | ||
+ | | 0x01 | ||
+ | | Unknown | ||
+ | |- | ||
+ | | 0x01d0 | ||
+ | | 0x01d7 | ||
+ | | 0x08 | ||
+ | | ticket_id | ||
+ | |||
+ | |- | ||
+ | | 0x01D8 | ||
+ | | 0x01DB | ||
+ | | 0x04 | ||
+ | | Console ID | ||
+ | |- | ||
+ | | 0x01dc | ||
+ | | 0x01e3 | ||
+ | | 0x08 | ||
+ | | Title ID / [http://en.wikipedia.org/wiki/Initialization_Vector Initialization Vector] (IV) used for AES-[http://en.wikipedia.org/wiki/Cipher_Block_Chaining#Cipher-block_chaining_.28CBC.29 CBC] encryption | ||
+ | |- | ||
+ | | 0x01e4 | ||
+ | | 0x01e5 | ||
+ | | 0x02 | ||
+ | | Unknown, mostly 0xFFFF | ||
+ | |- | ||
+ | | 0x01e6 | ||
+ | | 0x01e8 | ||
+ | | 0x02 | ||
+ | | Amount of bought DLC contents | ||
+ | |- | ||
+ | | 0x01e9 | ||
+ | | 0x01f0 | ||
+ | | 0x08 | ||
+ | | Unknown | ||
+ | |- | ||
+ | | 0x01f1 | ||
+ | | 0x01f1 | ||
+ | | 0x01 | ||
+ | | Common Key index (1 = Korean Common key, 0 = "normal" Common key) | ||
+ | |- | ||
+ | | 0x01f2 | ||
+ | | 0x0221 | ||
+ | | 0x30 | ||
+ | | Unknown. Is all 0 for non-VC, for VC, all 0 except last byte is 1. | ||
+ | |- | ||
+ | | 0x0222 | ||
+ | | 0x0241 | ||
+ | | 0x20 | ||
+ | | Always 0xFF (?) | ||
+ | |- | ||
+ | | 0x0242 | ||
+ | | 0x0243 | ||
+ | | 0x02 | ||
+ | | Padding (Always 0) | ||
+ | |- | ||
+ | | 0x0244 | ||
+ | | 0x0247 | ||
+ | | 0x04 | ||
+ | | Enable time limit (1 = Enabled, 0 = Disabled) | ||
+ | |- | ||
+ | | 0x0248 | ||
+ | | 0x024b | ||
+ | | 0x04 | ||
+ | | Time limit (Seconds) | ||
+ | |- | ||
+ | | 0x024c | ||
+ | | 0x02a3 | ||
+ | | 0x58 | ||
+ | | Padding (Always 0) | ||
+ | |} | ||
+ | |||
+ | To get the title key decrypt the 16 bytes at offset 0x1bf with the Common Key using the Title ID (offset 0x1dc) as the initialization vector (the last 8 bytes of the IV should be zero). |
Revision as of 18:45, 5 March 2009
Tickets are found in many encrypted files used by the Wii (e.g. WAD Files or Wiidiscs). They contain the encrypted AES "title key" and the Title ID of the data and are signed by a certificate from a certificate chain (which usually is the same for all titles and stored somewhere on the NAND). So far only tickets with RSA-2048 signatures have been seen. (Discs will only work with those signatures because the size of partition ticket is always 0x2a4)
File structure
Start | End | Length | Description |
---|---|---|---|
0x0000 | 0x0003 | 0x04 | Signature type (always 0x10001 for RSA-2048) |
0x0004 | 0x0103 | 0x100 | Signature by a certificate's key (everything after this field is covered by this signature) |
0x0104 | 0x013f | 0x3c | Padding (Always 0) |
0x0140 | 0x017f | 0x40 | Signature issuer |
0x0180 | 0x01be | 0x3f | Unknown (0, unless it is a VC game) |
0x01bf | 0x01ce | 0x10 | Encrypted title key |
0x01cf | 0x01cf | 0x01 | Unknown |
0x01d0 | 0x01d7 | 0x08 | ticket_id |
0x01D8 | 0x01DB | 0x04 | Console ID |
0x01dc | 0x01e3 | 0x08 | Title ID / Initialization Vector (IV) used for AES-CBC encryption |
0x01e4 | 0x01e5 | 0x02 | Unknown, mostly 0xFFFF |
0x01e6 | 0x01e8 | 0x02 | Amount of bought DLC contents |
0x01e9 | 0x01f0 | 0x08 | Unknown |
0x01f1 | 0x01f1 | 0x01 | Common Key index (1 = Korean Common key, 0 = "normal" Common key) |
0x01f2 | 0x0221 | 0x30 | Unknown. Is all 0 for non-VC, for VC, all 0 except last byte is 1. |
0x0222 | 0x0241 | 0x20 | Always 0xFF (?) |
0x0242 | 0x0243 | 0x02 | Padding (Always 0) |
0x0244 | 0x0247 | 0x04 | Enable time limit (1 = Enabled, 0 = Disabled) |
0x0248 | 0x024b | 0x04 | Time limit (Seconds) |
0x024c | 0x02a3 | 0x58 | Padding (Always 0) |
To get the title key decrypt the 16 bytes at offset 0x1bf with the Common Key using the Title ID (offset 0x1dc) as the initialization vector (the last 8 bytes of the IV should be zero).