Patent ID: 8719575

Claim:
A method of secured broadcasting of encrypted digital data of a proprietary entity comprising: authenticating via processor a third party requesting the broadcasting of the encrypted digital data of the proprietary entity; decrypting via processor a private digital certificate of the third party with a first symmetrical encryption key dedicated to the third party, wherein the private digital certificate of the third party is stored in computer memory and includes a pair of asymmetrical encryption keys; decrypting via processor a digital certificate negotiated with the proprietary entity with the private key of the said pair of asymmetrical encryption keys, wherein the digital certificate negotiated with the proprietary entity is stored in computer memory and includes a symmetrical encryption key for the broadcasting of the data to the third party; reading an access policy certificate prepared by the proprietary entity via a data access device, wherein the access policy certificate defines the rights of access to the encrypted digital data of the proprietary entity and is stored in computer memory; decrypting via processor the encrypted digital data with a storage symmetrical encryption key contained in a private digital certificate of the proprietary entity if the access policy certificate authorizes the third party to access the encrypted digital data of the proprietary entity, wherein the private digital certificate of the proprietary entity is stored in computer memory; encrypting via processor the digital data with the symmetrical encryption key for the broadcasting of the digital data to the third party; and broadcasting the digital data encrypted with the symmetrical encryption key for the broadcasting of the digital data to the third party via a communication device.