FRDU:PrincipalIdToFriendCode
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Request[edit]
| Index Word | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 |
| ||||||||
| 1 | Principal ID |
Response[edit]
| Index Word | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 |
| ||||||||
| 1 | Result code | ||||||||
| 2-3 | u64, Friend code |
Description[edit]
Converts the given Principal ID to a Friend Code. The following algorithm is used (note: everything is in little endian):
principal_id_buf = principal_id as LE bytes
friend_code = ((sha1(principal_id_buf)[0] >> 1) << 32) | principal_id