personal computer 1301 itself is part of a trusted system in that it embodies a repository the personal computer would receive digital works through the network 1302 e g over the internet the personal computer 1301 is further coupled to trust box 1303 the communications between the repository contained in the personal computer 1301 and the trust box 1303 are encrypted for security purposes finally the trust box 1303 is coupled to a printer 1304 the printer 1304 receives decrypted print streams for printing from a conceptual perspective the personal computer combined with the trust box and printer form a trusted system the trust box implementation would work with other system elements as illustrated in the steps of the flowchart of fig1 referring to fig1 the consumer contacts the distributor of digital works using for example an internet browser such as netscape navigator or microsoft explorer step 1401 for the sake of brevity it is assumed that a trusted session is established between the consumer 39 s repository and the distributor 39 s repository using known user interface methods the consumer the trust box retrieving its identity certificate encrypted in its public key step 1409 it looks up the watermark information in certificates from the user the computer itself.