Abstract: The present invention pertains to a handling device (36) for one or more clamping frames (14) for components (3), especially shells of vehicles, in processing stations (1). The handling device (36) has one or more rotatably driven connecting rods (10), which are mounted in a carriage (5) that can be moved by a motor along a transfer line (2) at one of their ends and have a holding device (13) for receiving the clamping frame (14) at their other ends. Two connecting rods (10), which are arranged in two coupled carriages (5) in the manner of a four-bar chain and are rotatable around parallel axes (11), are preferably present. The handling device preferably generates a feed movement of the clamping frames (14) which is essentially linear and is directed at right angles to the transfer line (2).

Abstract: A method for authentication between two electronic devices includes generating at least two random numbers; transmitting the two random numbers, so that both are available in both a first and a second station; encrypting the random numbers in both stations to make one cryptogram belonging to each random number; transmitting part of a first cryptogram from one station to the other station; comparing the cryptogram part in the second station, and discontinuing further output of the cryptogram if there is not a match; transmitting part of a second cryptogram by the second station; and comparing the cryptogram part transmitted by the second station, in the first station, and discontinuing further output of the cryptogram if there is not a match.