Secure controlled communications

Abstract

A system for quantum secure controlled communications between entities is described that incorporates: confidentiality, sender and recipient authentication, data integrity, malware resistance, and author defined rights. A novel mechanism is described where the system creates symmetric encryption parameters (“SEPs”) for each message and uses enhanced symmetric encryption to independently encrypt message: metadata, rights, body, and attachments. Enhanced asymmetric encryption is used to encrypt the SEPs, using the recipient's public asymmetric encryption key. Only intended recipients can decrypt the encrypted SEPs with their corresponding private key and use these SEPs to decrypt an encrypted message. The system also generates an enhanced digital signature of these SEPs, signed by the sender with their private asymmetric signature key. This allows any recipient to authenticate the sender by verifying the digital signature using the sender's public asymmetric signature key. Actions taken on a message and its disposition are controlled by message rights set by the author.

Dependencies are inferred from the claim text.