公开(公告)号：US20240039720A1

公开(公告)日：2024-02-01

申请号：US18061851

申请日：2022-12-05

申请人： WhatsApp LLC

发明人： Viatcheslav Krassovsky ,  Kevin Lewi ,  Sean Francis Lawlor ,  Ercan Ozturk ,  Alexander Chernyak ,  Dillon George

IPC分类号： H04L9/30 ,  H04L9/14

CPC分类号： H04L9/30 ,  H04L9/14

摘要： A method for initiating a chat between participants in a group chat is provided. The method includes requesting, with a first client device from a first participant, to initiate a chat with a second client device from a second participant, receiving, from a chat server, an identification for the second participant, requesting, from a verifiable directory, an identity proof of the second participant associated with the identification for the second participant, wherein the verifiable directory includes a list of encryption keys for client devices associated with each of multiple users in the chat server, verifying the identity proof of the second participant, and initiating the chat with the second participant when the identity proof of the second participant is verified. A system including a memory storing instructions, and a processor to execute the instructions for the system to perform the above method are also provided.