Patent ID: 9544283
Date: 2017-01-10
CPC Classifications: G06F,G06Q,H04L

Claim:
1. A method comprising: receiving, directly by a social network server, an authentication request message to establish a social relationship between a first client and a second client, the request message being sent by the first client; determining, by the social network server and after receiving the authentication request message sent by the first client, a relationship chain information indicative of an indirect social network relationship between the first client and the second client; determining, by the social network server, the relationship chain information between the first client and the second client based on identification information of the first client identification and information of the second client and a correlation between the identification information of the first and second clients and respective relationship chain information of the first and second clients; and forwarding, by the social network server and in response to determining the relationship chain information between the first client and the second client, the authentication request message and the determined relationship chain information to the second client, the determined relationship chain information being for use by the second client to authenticate the authentication request message, wherein the determining the relationship chain information includes determining a third client that has a direct social network relationship with both the first client and the second client.