The present invention relates to a method of providing secure communication of
information between at least a first and second digital audiovisual device (30,
52) and characterized in that the first device (30) communicates to
the second device (52) a certificate Ct(KpubT) comprising a transport public
key KpubT encrypted by a management private key KpriMan, the second device (52)
decrypting the certificate using an equivalent management public key KpubMan and
thereafter using the transport public key KpubT to encrypt information sent to
the first device, the first device using an equivalent private key KpriT to decrypt
the information. The present invention is particularly applicable to a method of
providing secure communication between a first and second decoder.
