How should the HDCP keys be formatted for the HDCP 1.x?
This article specifically covers how to format the array in the software application that is used in the example design for HDMI.
The HDMI reference application has two (empty) HDCP 1.x key arrays.
The array has a size of 328 bytes. The contents are the KSV Key Selection Vector (5 bytes padded with zeros to 8 bytes), and key set (320 bytes), where each key is 7 bytes padded with zeros to 8 bytes.
In order to format the HDCP 1.x keys for the key_utility, follow the steps below: