| 摘要 |
An arrangement (1) for verifying a playing authorization for an encrypted information signal (I) reproduced by means of a reproducing device (2, 3) and for supplying a decrypted information signal (I) when a playing authorization is available, comprises verification means (19) for verifying a playing authorization for a reproduced encrypted information signal (I), and comprises decryption means (32) fro decrypting a reproduced encrypted information signal (I) when a playing authorization is available, and comprises interrogation means (43, 35) for independently requesting a playing authorization, which interrogation means include communication means (43) which, in the absence of a playing authorization for a reproduced encrypted information signal (I) are capable of setting up a data link (49, 52, 56, 59) and of supplying playing authorization request information to a playing authorization allocation device (51, 53, 57, 60) via the data link (49, 52, 56, 59) and of receiving a playing authorization for the reproduced encrypted information signal (I) from the playing authorization allocation device (51, 53, 57, 60).
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