Quantum-data 802BT Bedienungsanleitung PDF herunterladen (Seite 203)

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802BT/802R Video Test Generator User Guide 193

2. If the “Reset HDCP Rx by gating clock” mode is enabled, the generator resets the

receiver, and gates off transmitter clock and data for 400 mS. Otherwise, the receiver

is not reset.

3. The transmitter reads the Bksv (HDCP receiver KSV), over the I2C bus, and verifies

that it has 20 zeros and 20 ones.

This step is the first interaction between the transmitter and receiver.

4. Receiver writes the receiver KSV to the transmitter.

5. Transmitter generates An (session random number).

6. Transmitter writes An to the receiver, using the I2C bus.

7. Transmitter writes the transmitter KSV to the receiver, using the I2C bus.

8. Load the transmitter keys.

9. The transmitter reads the Ri value (link verification response) from the receiver and

compares it with its own generated Ri value. They should match to proceed. If this step

fails, the test returns to step 1.

10. Generate authentication.

11. Transmitting encrypted data.

Test sequence for Silicon Image transmitters:

1. Reset the transmitter.

2. If the “Reset HDCP Rx by gating clock” mode is enabled, the generator initializes the

transmitter. Otherwise, do not initialize the transmitter.

3. Transmitter generates An (session random number).

4. Transmitter writes An to the receiver, using the I2C bus.

This step is the first interaction between the transmitter and receiver. The transmitter

reads the Bksv, over the I2C bus, and verifies that it has 20 zeros and 20 ones.

5. Write the transmitter KSV to the receiver.

6. Read and verify the receiver KSV.

7. Write receiver KSV to transmitter.

8. Ri ready at transmitter.

9. The transmitter reads the Ri value from the receiver and compares it with its own

generated Ri value. They should match to proceed. If this step fails, the test returns to

step 1.

10. Generate authentication.

11. Transmitting encrypted data.

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