FRDU:PrincipalIdToFriendCode: Difference between revisions
		
		
		
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|  Created page with "=Request= {| class="wikitable" border="1" |- !  Index Word !  Description |- | 0 | Header code [0x00240040] |- | 1 | principalId |}  This function takes the principalId given..." | 
| (No difference) | 
Revision as of 16:00, 28 July 2016
Request
| Index Word | Description | 
|---|---|
| 0 | Header code [0x00240040] | 
| 1 | principalId | 
This function takes the principalId given and applies SHA-1 over it (byte order: little endian). The first byte of the SHA-1 digest is then shifted right by 1, which forms the checksum byte.
It returns an u64. The lower word is the principalId, the upper word is the checksum byte.
Response
| Index Word | Description | 
|---|---|
| 0 | Header code | 
| 1 | Result code | 
| 2-3 | (u64)the shareable friend code |