Difference between revisions of "FS:UpdateSha256Context"

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(Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x084E0342] |- | 1-8 | Unused |- | 9 | Input data buffer size |- | 10 | Must be no...")
 
 
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|-
 
|-
 
| 1-8
 
| 1-8
| Unused
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| Input Hash. Not used at all.
 
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|-
 
| 9
 
| 9
| Input data buffer size
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| Input Data Size
 
|-
 
|-
 
| 10
 
| 10
| Must be non-zero
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| u32 Flag, must be zero.
 
|-
 
|-
 
| 11
 
| 11
| Must be non-zero
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| u32 Flag, must be zero.
 
|-
 
|-
 
| 12
 
| 12
| u8, must be non-zero
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| s8 Flag, must be zero.
 
|-
 
|-
 
| 13
 
| 13
| u8, must be non-zero
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| s8 Flag, must be non-zero.
 
|-
 
|-
 
| 14
 
| 14
| (Size<<4)  <nowiki>|</nowiki> 10
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| (Size << 4)  <nowiki>|</nowiki> 0xA
 
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|-
 
| 15
 
| 15
| Input data buffer ptr
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| Input Data Pointer
 
|}
 
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|-
 
|-
 
| 1
 
| 1
| Resultcode
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| Result code
 
|-
 
|-
 
| 2-9
 
| 2-9
| Output SHA256 hash
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| Output SHA-256 Hash
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| 10
 
| (Size<<4)  <nowiki>|</nowiki> 10
 
|-
 
| 11
 
| Data buffer ptr, same buffer from the input.
 
 
|}
 
|}
  
 
=Description=
 
=Description=
This calculates a SHA256 hash using the ARM11 hash engine.
+
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).

Latest revision as of 05:42, 25 August 2016

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).