You bought something. Nobody knows what it was.

[Anonymous Coredump]

Seen on another list:

> Saw a paper the other day by some Chinese dudes.  Talked about how to sell
> dox online so that the seller don't know what the buyer's gettin, see?
>
> All the dox are on the net for every Tom Harry Dick to look at.  But,
> the catch is they're RSA encrypted to Mr. Seller, just like normal:
> symmetric cipher on the doc and wrap the key in RSA.  Now, Mr. Buyer
> wants one, so he pays (however) and here's the trick.  Buyer asks Seller
> to decrypt some random RSA data, which of course is, ta da, a BLINDED
> version of the RSA data Buyer actually wants!  Get it?
>
> You pays your money and you gets your choice of one, count em, (1)
> RSA decryption.  Blind it and Seller can't tell what you're buyin.
>
> Simple idea.  Why didn't I think of that?  Kick self.