Patent ID: 9094215
Filing Date: 2015-07-28
Classification: G06F,H04L

Abstract:
1. A method for transmitting electronic documents over a communications network, wherein digital rights of access for each of said electronic documents are cryptographically managed and secured, comprising: installing an authoring tool for generating and distributing cryptocontainers comprising said electronic documents, wherein said authoring tool includes a public key belonging to a key server and a public key belonging to said authoring tool; authenticating an author of a cryptocontainer with a certificate issued by an authenticating server, wherein an author license is created and stored with said authoring tool, and wherein said author license comprises an electronic address of said author and said public key belonging to said authoring tool, signed by a private key belonging to said key server; entering an electronic address for each of a plurality of recipients into a recipient list of said cryptocontainer in said authoring tool; generating a symmetric session key for said recipient list; encrypting said symmetric session key for said recipient list in said cryptocontainer together with said public key belonging to said key server; adding said electronic documents to said cryptocontainer, wherein for each recipient on said recipient list a usage rights timeline is generated for each of said electronic documents; encrypting said cryptocontainer comprising said symmetric session key for said recipient list, together with said electronic documents, and together with each of said usage rights timelines, wherein said cryptocontainer enables said symmetric session key for said recipient list to be individually decrypted from said cryptocontainer; and transmitting said cryptocontainer over a communications network to each of said plurality of recipients in said recipient list of said cryptocontainer.