A Flexible Encrypting Approach for Collaborative Document Editing

Abstract

With the development of Internet, collaborative document editing has become the indispensable function in collaborative office area. However, the security of collaborative document editing has been a key challenge in collaborative office area. Traditional approaches mostly adopt central server for defining and enforcing the access control policies to ensure the security of document editing, which cannot provide harmonious human-computer interactions. This paper proposes a free-locking encrypting approach to preserve the security of collaborative document editing, which supports sufficient responsiveness to the collaborative workers and improves collaborative office efficiency.