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update structs

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awuctl 2022-08-28 23:15:19 +02:00
parent d924b2f7e7
commit a10b1bf586
1 changed files with 13 additions and 8 deletions
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21
Hwid.md
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@ -50,8 +50,8 @@ The Hardware ID is a magical data structure built by evaluationg the system's ha
```c ```c
struct HWID_BLOCK { struct HWID_BLOCK {
uint16_t wSize; uint16_t wSize;
uint16_t wVersion; // 0 for all tools uint16_t wVersion; // 0 for all
uint16_t threshold; // (TBV) Set to 0x13 uint16_t threshold; // Set to 0x13
struct HWID hwid; // variable length struct HWID hwid; // variable length
struct TIMEWEIGHT tw; // variable length struct TIMEWEIGHT tw; // variable length
} }
@ -61,17 +61,22 @@ struct HWID_BLOCK {
```c ```c
struct HWID { struct HWID {
uint32_t dwSize; // no version here, I think uint16_t size;
uint16_t nInstances[9]; uint16_t version;
uint16_t bDockOrPCMCIA; uint16_t instances[9];
uint16_t dock_or_PCMCIA;
uint16_t hashRAM; uint16_t hashRAM;
uint16_t hashSMBIOS; uint16_t hashBIOS;
uint16_t instanceHashes[nInstances]; uint16_t instanceHashes[];
} };
``` ```
The hashes are all SHA-256 truncated to 15 bits; the 16th bit is set to whether the device is removable (1 if removable). The hashes are all SHA-256 truncated to 15 bits; the 16th bit is set to whether the device is removable (1 if removable).
#### `version`
This is the version of the hardware ID. It is set to `0` for all implementations I'm aware of.
#### `nInstances` #### `nInstances`
This is an array of 9 counts of instances of hardware per type of hardware. The types are, in order (by 0-based index): This is an array of 9 counts of instances of hardware per type of hardware. The types are, in order (by 0-based index):