17 Dec
2003
17 Dec
'03
11:17 p.m.
Jim Miller says:
The Customer and the Video Provider engage in a protocol so that the Customer ends up receiving 100 compressed and encrypted videos, only one of which the Customer can successfully decrypt (and uncompress).
Can't work. As a mental proof of this, consider -- if such an algorithm did exist, the customer could record the 100 inputs and feed them to the algorithm 100 times, thus getting all 100 videos. Perry