Information security architecture for encrypting documents for remote access while maintaining access control

摘要

A method of controlling distribution of a segment of encrypted electronic information is presented. A key server receives a protected copy of a decryption key for the segment The segment is retrieved at a user location. The protected copy of the decryption key is accessed. In response to the accessing, the segment is decrypted using the accessed copy of the decryption key at the user location. The accessed copy of the decryption key is destroyed at the user location in response to the decrypting. The decrypted segment is displayed in response to the decrypting. The decrypted segment is destroyed in response to the displaying.