METHOD, APPARATUS, TERMINAL AND SYSTEM FOR CHANNEL ENCRYPTION

The disclosure discloses a method, an apparatus, a terminal and a system for channel encryption. The method includes that: a relay server receives a channel encryption request from a client, and acquires encrypted information, client information and a locally stored channel Extensible Markup Language (XML) file of the client from the channel encryption request (S101); and according to the encrypted information, the client information and the locally stored channel XML file of the client, the relay server acquires an encrypted channel XML file and stores the encrypted channel XML file, and sends the encrypted channel XML file to the client to enable the client to update the locally stored channel XML file according to the encrypted channel XML file (S102). By means of the technical solution of the disclosure, the privacy of a user is protected, and the security of Really Simple Syndication (RSS) channel management is enhanced.