Patent ID: 9602890
Date: 2017-03-21
CPC Classifications: G06T,H04N

Claim:
1. A method for watermarking uncompressed content comprising: receiving encrypted compressed content at a client device, the encrypted compressed content being encrypted under a content key, the client device comprising: receiving the CAS data at the client device; decrypting, by the CAS, the CAS data with the transmission key; verifying, by the CAS, the signature of the CAS data and, in response to the signature being valid, transferring the watermark instruction to the secure activation module via the secure element; transferring the watermark instruction to the watermark inserter; transferring the content key to the descrambler in response to the transfer of the watermark instruction to the watermark inserter being successful; and switching between enabling and disabling watermarking by the watermark inserter of the uncompressed content received from the decoder.