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Providing control words to a receiver
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Peer-to-peer content distribution
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Providing control words to a receiver
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Securely providing a control word from a smartcard to a conditional access module
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Fingerprinting a data object with multiple watermarks
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Content decryption device and encryption system using an additional key layer
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Signcryption scheme based on elliptic curve cryptography
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Monitoring usage of encrypted broadcast services
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Smart card and method for using a smart card
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