What is the difference between HDCP 1.1, 1.2 and 1.3 ?
As with any security system it isn’t long before someone manages to crack it. HDCP 1.2 was an improvement on the original 1.1 system. Some manufacturers who did not adhere to the license agreement and implement HDCP correctly had their licenses revoked. A list of revoked keys was included in the 1.2 firmware. The effect of this is that equipment that doesn’t meet the HDCP standard may not work with 1.2 compliant devices. This is a deliberate way of punishing manufacturers who do not abide by the rules and ensuring that consumers do not by their products. Unfortunately most consumers do not know enough about HDCP to understand what is going on. Although it is a generalisation, it should be pointed out that the types of companies that are having their licenses revoked are not the big manufacturers who have too much invested in the technology but are more likely to be the far eastern manufacturers who are out to make a quick buck by manufacturing cheap HD equipment. The situation with rev
