A signature generation apparatus and {TAIL ~ a signature verification apparatus} which can prevent the occurrence of {HEAD ~ norm zero vector forgery attack} 
A signature generation apparatus and { TAIL ~ a signature verification apparatus } which can prevent the occurrence of { HEAD ~ norm zero vector forgery attack }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD