Sorry, I forgot the public picture.
Still, i get
Your client does not have permission.
What are you trying to share anyway ?
First: I don't believe you
It shouldn't be excluded that there is a bug/vulnerability which would allow to do this.
Even though it seems quite strange that he is uploading a file instead of sharing the general approach publicly, the possibility of such a bug still exists (even if the possibility is extremely low).
@OP:
What about explaining the general approach here ?
How do you think can you 'circumvent' the decryption of the keys ??
If you claim the encryption itself is weak or buggy, i do also not believe you.
And currently i don't see another way to access the encrypted keys without the decryption key