Cryptanalysis of Rational Multivariate Public Key Cryptosystems

A clip driver for driving such a type of clip as having opposing holding webs the front edges of which are resiliently pressed to each other to form lips for clipping sheets of paper or the like. The clip driver has a casing in which formed is a longitudinal guide way for guiding the clip, a clip driving member for driving the clip along the guide way and clip opening member with bifurcated inclined leg portions diverging toward the front end of the casing. In use, the clip is driven forwardly by the driving member so that lugs extending laterally from the holding webs slide along the diverging surfaces to forcibly open the clip overcoming the resilient pressing force to permit the sheets of paper or the like to be placed between two holding webs of the clip. As the clip is further driven forwardly, the lugs clear the guide surfaces of the clip opening member to allow the holding webs of the clip to be closed, thereby to clip the sheets of paper or the like.

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