Difference between revisions of "/dev/sha"
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| − | | style="vertical-align: top;" rowspan="3" | | + | | style="vertical-align: top;" rowspan="3" | Initialise context |
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| − | | style="vertical-align: top;" rowspan="3" | | + | | style="vertical-align: top;" rowspan="3" | Add Data |
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| − | | style="vertical-align: top;" rowspan="3" | | + | | style="vertical-align: top;" rowspan="3" | Finalise Hash |
| style="vertical-align: top;" rowspan="3" | 1 | | style="vertical-align: top;" rowspan="3" | 1 | ||
| style="vertical-align: top;" rowspan="3" | 2 | | style="vertical-align: top;" rowspan="3" | 2 | ||
Revision as of 21:28, 17 January 2023
| This article is a stub. You can help WiiBrew by expanding it. |
/dev/sha is an IPC interface for the SHA-1 engine that accepts IOS_Open, IOS_Close & IOCTLV commands.
Internally in IOS, it uses 2 FDs: one of 0x10001 normally calculating SHA-1 hashes and 0x10002 when dealing with HMAC key hashes (also based on SHA). Despite this, it is better to do an IOS_Open when using this resource.
/dev/sha IOS_Ioctlv
| number | Description | in count | out count | vector | vector length |
|---|---|---|---|---|---|
| 0x00 | Initialise context | 1 | 2 | input data (32-byte aligned) | - |
| SHA Context | 0x1c | ||||
| SHA1 Hash | 0x14 | ||||
| 0x01 | Add Data | 1 | 2 | input data (32-byte aligned) | - |
| SHA Context | 0x1c | ||||
| SHA1 Hash | 0x14 | ||||
| 0x02 | Finalise Hash | 1 | 2 | input data (32-byte aligned) | - |
| SHA Context | 0x1c | ||||
| SHA1 Hash | 0x14 | ||||
| 0x03 | ? | ? | ? | ? | ? |
| 0x04 | ? | ? | ? | ? | ? |
| 0x0F | some sort of H0,H1,H2 verifying | ? | ? | ? | ? |