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FRDU:UnscrambleLocalFriendCode: Difference between revisions

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Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x001C0042] |- | 1 | Friend code count |- | 2 | ((count * 12) << 14) <nowiki>|</no..."
 
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=Request=
=Request=
{| class="wikitable" border="1"
{{IPC/Request}}
|-
{{IPC/RequestHeader|0x001C|1|2}}
!  Index Word
{{IPC/RequestEntry|Count}}
!  Description
{{IPC/TranslateStaticBuffer|Input scrambled friend codes buffer (12 bytes each)|1}}
|-
{{IPC/RequestEnd}}
| 0
| Header code [0x001C0042]
|-
| 1
| Friend code count
|-
| 2
| ((count * 12) << 14) <nowiki>|</nowiki> 0x402
|-
| 3
| Pointer to encoded friend codes. Each is 12 bytes large.
|}


The following is located 0x100-bytes after the beginning of the above command buffer:
=Request Static Buffers=
{| class="wikitable" border="1"
{{IPC/Request}}
|-
{{#vardefine:ipc_offset|0}}
!  Index Word
{{IPC/TranslateStaticBuffer|Output friend code buffer (u64)|0}}
!  Description
{{IPC/RequestEnd}}
|-
| 0
| ((count * 8) << 14) <nowiki>|</nowiki> 2
|-
| 1
| Pointer to write decoded local friend codes to. Each is 8 bytes large.
|}


=Response=
=Response=
{| class="wikitable" border="1"
{{IPC/Request}}
|-
{{#vardefine:ipc_offset|0}}
!  Index Word
{{IPC/RequestHeader|0x001C|1|2}}
!  Description
{{IPC/RequestEntry|Result code}}
|-
{{IPC/TranslateStaticBuffer|Output friend code buffer (u64)|0}}
| 0
{{IPC/RequestEnd}}
| Header code
|-
| 1
| Result code
|}


=Description=
=Description=
This decodes one or more encoded friend codes into local friend codes for use with some friend-related commands. Encoded friend codes seem to generally be retrieved from [[NWM_Services#NWM_local-WLAN_service_.22nwm::UDS.22|NWMUDS]] command [[NWMUDS:GetNodeInformation|GetNodeInformation]].
This unscrambles one or more scrambled friend codes. Scrambled friend codes seem to be generally be retrieved from [[NWM_Services#NWM_local-WLAN_service_.22nwm::UDS.22|NWMUDS]] command [[NWMUDS:GetNodeInformation|GetNodeInformation]].
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