I was wondering how do I send my data through the tor circuit twice (6 relays instead of the normal 3) if that would add extra security so I can be fully untraceable?
You cannot route your traffic over the Tor network twice since relays will not allow new circuits originating from exit relays.
It's not recommended to use longer-length circuits. The standard circuit length of 3 has been chosen since having more than 3 doesn't provide a significant benefit for the extra load it puts on the Tor network. It could potentially make you more identifiable since your traffic may look significantly different from other users (for example your latency will be twice as long on average).
If you really wanted to use longer-length circuits, I can think of two options:
DEFAULT_ROUTE_LENin tor's source code. This option isn't really meant to be changed, so it's likely something will break.
- Use tor's control port to build longer-length circuits. For example with stem, you could use
controller.extend_circuit(). You will have to write your own script to do this.
so I can be fully untraceable?
You will never be fully untraceable, so I wouldn't worry about that.