Power Analysis

31c3 CTF - safelock (signals20)

For the 31c3 CTF, Eindbazen and fail0verflow joined forces as 0xffa, the Final Fail Alliance.
Don't miss out on other write-ups at Eindbazen's site!
Signals (20 pts)
This is the circuit of a safe lock. Get the key to open it!

It's neither about webtronics nor ngspice. Disregard bugs in both.

If you want to write spice code directly, use something like this

cat test.cir | curl --data-binary '@-'