FS:UpdateSha256Context

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Request[edit]

Index Word Description
0 Header code [0x084E0342]
1-8 Input Hash. Not used at all.
9 Input Data Size
10 u32 Flag, must be zero.
11 u32 Flag, must be zero.
12 s8 Flag, must be zero.
13 s8 Flag, must be non-zero.
14 (Size << 4) | 0xA
15 Input Data Pointer

Response[edit]

Index Word Description
0 Header code
1 Result code
2-9 Output SHA-256 Hash

Description[edit]

This calculates a SHA-256 hash using the ARM11 hash engine.

None of the input flags are used at all after validation(error 0xf9604784 is returned on validation failure).