Fecha de publicación: 18/12/2018 Fuente: Wipo "BigData" The present disclosure discloses a method of storing data in a distributed data storage system, the distributed data storage system including a plurality of server and client nodes. The method includes receiving unencrypted data from a client node for storing at a server node. The received data is split into one or more data chunks of one or more sizes. Further, each data chunk is encrypted using a key based on the content of corresponding data chunk, and each encrypted chunk is stored at a memory of a server node using a unique data reference. Furthermore, an index chunk is formed that contains one or more data references of one or more encrypted chunks in a predefined order, along with one or more corresponding encryption keys of one or more encrypted chunks, which after being encrypted and stored, the corresponding data reference of this encrypted index chunk is provided to the client node.