Preheat oven to 325°F Grease a 9-inch springform pan.
Melt chocolate chips in the microwave or over a double broiler. In a food processor or blender, combine the tofu, melted chocolate, syrup, vanilla and salt; puree until smooth.
In a small bowl, combine crumbs, cocoa and sugar, stirring until well mixed. Drizzle in oil, and mix thoroughly until well combined. Using your fingers, firmly press into the bottom of your prepared pan. Pour filling over top crust and bake for about 45 minutes. Allow to cool, and chill for several hours.