When a plurality of information processing apparatuses having an authentication function executes a cooperative job, user authentication information is transmitted from a cooperative information source processing apparatus to a destination cooperative information processing apparatus that executes the cooperative job. The inverse transforming is performed with a processing circuit on a first block of transform coefficients by a transform matrix having a plurality of vectors. The steel wall bottom edge is disposed in a groove at the periphery of a roadway and a bladder contacts the steel wall. In addition, the interconnector may comprise a chromium-containing oxide layer as a barrier against interdiffusion.