Because keygen USES the secret master key, only the central authority can do keygen.

由于这个算法使用到了主密钥，所以只有HDCP授权机构有能力颁发授权。

youdao

Being the master of nightmares, I know Thanos's horrible secret, the thing that he most feares in the universe.

作为噩梦之主，我知道灭霸的可怕秘密，那是他在宇宙中最害怕的东西。

youdao

"He clarified with the master thinking he was about to be told the esoteric secret to meditation."

他向这个大师求证，以为他听到的是冥想的秘传秘诀。

youdao

It's no secret that the ballet-master-in-chief has made little name for himself as a choreographer, so it remains to be seen if audiences who respond to his administration's seasonal themes will respond to one pegged to his own dancemaking.

WSJ: Restless Princess | The Sleeping Beauty | New York City Ballet | By Robert Greskovic

Jobs is a master at ensuring his announcements are kept secret, thus increasing the hype leading into his speeches.

FORBES: Magazine Article