FRDU:PrincipalIdToFriendCode

From 3dbrew
Revision as of 16:00, 28 July 2016 by IReir (talk | contribs) (Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x00240040] |- | 1 | principalId |} This function takes the principalId given...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Request[edit]

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[edit]

Index Word Description
0 Header code
1 Result code
2-3 (u64)the shareable friend code