%0 Journal Article %A XING Xing %A XIE Qi %T Analysis and improvement on threshold proxy signcryption scheme with shared verification %D 2008 %R 10.3778/j.issn.1002-8331.2008.33.028 %J Computer Engineering and Applications %P 89-92 %V 44 %N 33 %X Two attacks on Wang et al.’s threshold proxy signcryption scheme with shared verification show that their scheme are insecure.The one is that their scheme does not has the property of shared verification;the other is that their scheme cannot resist the attack of revising the warrant.Further,a modification to their threshold proxy signcryption scheme can satisfy the security requirement. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2008.33.028