| 摘要 |
Method and apparatus for rights issuer authorization in a content distribution system is described. In one example, a message is received at a client device from a first rights issuer. A digital certificate is obtained for the first rights issuer. The digital certificate is processed to verify the first rights issuer as being rights issuer authorizing. The message is processed to identify at least one rights issuer identifier. The client device is configured to receive rights objects from at least one rights issuer corresponding to the at least one rights issuer identifier, respectively.
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