Someone uploaded these high res scans of the keys too:
<a href="https:&#x2F;&#x2F;imgur.com&#x2F;gallery&#x2F;JQD7l" rel="nofollow">https:&#x2F;&#x2F;imgur.com&#x2F;gallery&#x2F;JQD7l</a><p>It seems likely that the uploader had the master keys in his private possession for a long time, but only decided to upload the pictures due to the keys being leaked anyway.