Contents Protection System and Method
Abstract
A content protection system includes a certification management center and family appliances, in which, said certificate management center is used in generating public and private key pairs and sends the identification number, related public keys, labels of the signature, a certificate signature algorithm, public key certificates and related private keys of the appliances to the corresponding family appliances, which store the device public key certificates and related private keys, the adjacent appliances verify the public key certificate of the opposite side to ensure its legality then to transmit the number contents and related copyright protection information in cipher.
Type
Publication
China Patent CN1832400B
