How to ferment stinky tofu to be delicious

First made of good soybean water tofu, and then the tender water tofu pressed into white dried tofu son; and then dried tofu added to a kind of brine. The brine here is the most delicate, need to be made of rotten pickle juice left over the next year, pure green, natural, without adding any coloring, emitting a very natural odor. Seal the jar and bury it under the ground, then take it out a few days later, the white tofu has become a green ink-colored stinky dried tofu. Break open the dried tofu, you can see from the inside to the outside, are green ink color, smell the strange odor, fried in the mouth but it is a strange aroma.