{HEAD ~ The signature verification apparatus} includes {TAIL ~ a signature verification unit} which judges whether or not the first sub element of the N sub elements included in the signature data indicates 0, and determines the signature data as unauthorized data when judging that it is not 0 
includes
{ HEAD ~ The signature verification apparatus } includes { TAIL ~ a signature verification unit } which judges whether or not the first sub element of the N sub elements included in the signature data indicates 0 , and determines the signature data as unauthorized data when judging that it is not 0
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH