Alibaba Group Holding Limited
Method and device for identifying user identity

Abstract:

A method and an apparatus for identifying a user identity are disclosed. The method includes receiving, by a first platform, a first request sent by a second platform, the first request including a first identifier, the first identifier being a sequence number used for identifying the second platform and allocated to the second platform by the first platform after the second platform accesses the first platform; obtaining a second identifier corresponding to the first identifier, the second identifier being a sequence number used for identifying an identity of the second platform in the first platform; obtaining a third identifier corresponding to the first request, the third identifier being an account of a login user currently logging on to the first platform; encrypting the third identifier using the second identifier to obtain a fourth identifier; and returning the fourth identifier to the second platform.