Computer Science ›› 2007, Vol. 34 ›› Issue (5): 83-84.
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MING Yang, WANG Yu-Min (State Key Lab. of Integrated Service Networks, Xidian Univ. , Xi'an 710071)
Online:
Published:
Abstract: Recently, Okamoto and Victor K. Wei et al. proposed provably signature scheme in the standard model and two provably short signature schemes in the standard model respectively. In this paper, we show that the three schemes are all insecure against strong-
Key words: Key substitution attacks, Provably secure,Bilinear pairings
MING Yang, WANG Yu-Min (State Key Lab. of Integrated Service Networks, Xidian Univ. , Xi'an 710071). [J].Computer Science, 2007, 34(5): 83-84.
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