FRDU:PrincipalIdToFriendCode

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