AnewsignatureschemewithsharedverificationJiaXiaoyun1,3LuoShoushan2,,munications,Beijing100876,China。,munications,Beijing100876,China。,XidianUniversity,Xi’an710071,ChinaDXDiTa9E3dAbstract:Withthedifferencesofuser’sdemands,digitalsignaturetechniquesarebeingexpandedgreatly,fromthesinglesignature,singleverificationmodetothemulti-user’-Shamirsignaturesscheme,whichisnotonlysuitableforonepublickeyforsignature,,theschemecouldresistallkindsofcollusionwhichmakeitmorepracticableandsafer,:digitalsignature。sharedverification。municationtechnology,andwiththedifferenceofuser’sdemands,digitalsignaturetechniquesarebeingexpandedgreatly,fromthesinglesignature,singleverificationmodetothemulti-user’,adocumentsynchronouslyneedsmultiplesignaturesinsomecases,thusitiscalledmultipledigitalsignatures,existingsomeschemeshave[1,2,3].Sometimesadigitalsignatureneedsmultipleverifiertoverifyitscorrectness,suchas[4].Insingleverifiablesignaturescheme,’treliable,-verifiabl
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