| 摘要 |
In accordance with one embodiment, a method for securing control words is provided. The method includes (42) receiving scrambled digital content in a descrambler integrated circuit. The method further includes (41) receiving an encrypted control word in the descrambler integrated circuit, (44) decrypting the encrypted control word using a key stored in a register circuit of the descrambler integrated circuit, and (45) descrambling the scrambled digital content in the descrambler integrated circuit using the decrypted control word. |
