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【英文标准名称】:Informationtechnology-Securitytechniques-Digitalsignatureschemesgivingmessagerecovery-Integerfactorizationbasedmechanisms
【原文标准名称】:信息技术.安全技术.使电文恢复的数字签名方案.基于整数因子分解的机制
【标准号】:BSISO/IEC9796-2-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-10-24
【实施或试行日期】:2002-10-24
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:文本处理;签字;数据传输;信息技术;数据交换;数据保护;数字签名;数字的;数据处理;信息交换;安全;数据安全;识别;定义
【英文主题词】:Dataexchange;Dataprocessing;Dataprotection;Datasecurity;Datatransmission;Definition;Definitions;Digital;Digitalsignature;Digitalsignatures;Identification;Informationinterchange;Informationtechnology;Safety;Signatures;Textprocessings
【摘要】:ThispartofISO/IEC9796specifiesthreedigitalsignatureschemesgivingmessagerecovery,twoofwhicharedeterministic(non-randomized)andoneofwhichisrandomized.Thesecurityofallthreeschemesisbasedonthedifficultyoffactorizinglargenumbers.Allthreeschemescanprovideeithertotalorpartialmessagerecovery.ThemethodforkeyproductionforthethreesignatureschemesisspecifiedinthispartofISO/IEC9796.However,techniquesforkeymanagementandforrandomnumbergeneration(asrequiredfortherandomizedsignaturescheme),areoutsidethescopeofthispartofISO/IEC9796.Usersofthisstandardare,whereverpossible,recommendedtoadoptthesecondmechanism(Digitalsignaturescheme2).However,inenvironmentswheregenerationofrandomvariablesbythesignerisdeemedinfeasible,thenDigitalsignaturescheme3isrecommended.Digitalsignaturescheme1shallonlybeusedinenvironmentswherecompatibilityisrequiredwithsystemsimplementingthefirsteditionofthisstandard.However,Digitalsignaturescheme1isonlycompatiblewithsystemsimplementingthefirsteditionofthisstandardthatusehash-codesofatleast160bits.
【中国标准分类号】:L70
【国际标准分类号】:
【页数】:58P.;A4
【正文语种】:英语