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1. (WO2005048080) SYSTEME ANTI-PIRATAGE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

Claims:

1. An anti-piracy method comprising:
encapsulating a private key in a hardware platform;
requesting content by providing a content request and a public key to a transaction manager;
obtaining the requested content;
encrypting the requested content such that the encrypted content can be decrypted using the private key;
providing the encrypted content to the hardware platform; and
decrypting the encrypted content using the private key to produce a decrypted digital content.

2. The method of claim 1 further including converting the decrypted digital content into an analog signal.

3. The method of claim 1 wherein said encrypting step comprises
watermarking the requested content.

4. An anti-piracy method comprising:
encapsulating a private key in a hardware platform;
requesting broadcast content and providing a content provider with a public key;
encrypting the broadcast content using a broadcast key such that it can be decrypted using the broadcast key;
encrypting the broadcast key using the public key such that the broadcast key can be decrypted using the private key;
sending the encrypted broadcast key and the encrypted broadcast content to the hardware platform;
decrypting the encrypted broadcast key within the hardware platform using the private key; and decrypting the encrypted broadcast content using the decrypted broadcast key.

5. An anti-piracy system comprising:
an integrated module containing a public key and a private key, said integrated module for receiving encrypted content; and
a manager for receiving a specific content request and public key
information, for retrieving the specific content from a storage, and for encrypting the retrieved specific content so that it can be decrypted by said private key;
wherein said integrated module and said manager inter-operatively interact.

6. The system of claim 5 wherein said integrated module and said manager inter-operatively interact using the Internet.

7. The system of claim 5 wherein the integrated module physically
encapsulates the private key.

8. An integrated module, comprising:
an embedded private key;
a transmitter for sending a public key that is mathematically linked to said private key;
a key decrypter for receiving and decrypting an encrypted broadcast key using the private key;
a broadcast decrypter for decrypting an encrypted broadcast bitstream into digital content using the decrypted broadcast key;
a decoder for decoding the decrypted broadcast bitstream into decoded digital content; and
a digital-to-analog converter for converting the decoded digital content into an analog signal.

9. The integrated module of claim 8 wherein the decrypted bitstream and the decoded digital content are encapsulated.

10. A broadcast manager comprising:
an input port for receiving a content request and a public key;
a key encrypter for encrypting a broadcast key based on the public key such that the broadcast key can be decrypted using an associated private key; a broadcast content provider for providing a broadcast content;
a broadcast encrypter for encrypting the broadcast content such that the broadcast content can be decrypted using the broadcast key; and
an output port for transmitting the encrypted broadcast content and the encrypted broadcast key.