SAE AS9890 Bolt, Machine - Double Hexagon Extended Washer Head, Ams 5616, .500-20 Unjf-3a
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来源:标准资料网
Product Code:SAE AS9890
Title:Bolt, Machine - Double Hexagon Extended Washer Head, Ams 5616, .500-20 Unjf-3a
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
上一篇:
SAE AS9821 Bolt, Machine - Hexagon Head, Drilled, 1 Hole, PD Shank, AMS 5643, .500-20 UNJF-3A下一篇:
SAE AS9924 Bolt, Machine - Double Hexagon Extended Washer Head, Pd Shank, Steel Ams 6322, Cadmium Plated, .250-28 Unjf-3【英文标准名称】:Informationtechnology-Securitytechniques-Non-repudiation-Mechanismsusingsymmetrictechniques
【原文标准名称】:信息技术.安全性技术.非脱离.使用对称性技术的机构
【标准号】:BSISO/IEC13888-2-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【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】:通信规程;数据处理;验证;保密技术(软件);计算机应用;安全性(信息系统);对称的;软件技术;数据安全;数据布置;数据存储保护;信息交流;协议
【英文主题词】:Communicationprocesses;Dataprocessing;Dataprotection;Guidelines;Informationinterchange;Informationtechnology;Networkinterconnection;OSI;Safety
【摘要】:Thegoalofthenon-repudiationserviceistogenerate,col-lect,maintain,makeavailableandvalidateevidencecon-cerningaclaimedeventoractioninordertoresolvedis-putesabouttheoccurrenceornonoccurrenceoftheeventoraction.ThispartofISO/IEC13888providesdescriptionsofgenericstructuresthatcanbeusedfornon-repudiationservices,andofsomespecific,communicationrelatedmechanismswhichcanbeusedtoprovidenon-repudiationoforigin(NRO),non-repudiationofdelivery{NRD),non-repudiationofsubmission(NRS),andnon-repudiationoftransport(NRT)services.Othernon-repudiationservicescanbebuiltusingthegenericstructuresdescribedinClause8inordertomeettherequirementsdefinedbythesecuritypolicy.ThispartofISO/IEC13888reliesontheexistenceofatrustedthirdparty(TTP)topreventfraudulentrepudiation.Usuallyanon-linetrustedthirdpartyisneeded.Non-repudiationmechanismsprovideprotocolsfortheex-changeofnon-repudiationtokensspecifictoeachnon-re-pudiationservice.Non-repudiationtokensusedinthispartconsistofSecureEnvelopesandadditionaldata.Non-repudiationtokensshallbestoredasnon-repudiationinfor-mationthatmaybeusedsubsequentlyincaseofdisputes.Dependingonthenon-repudiationpolicyineffectforaspe-cificapplication,andthelegalenvironmentwithinwhichtheapplicationoperates,additionalinformationmayberequiredtocompletethenon-repudiationinformation,e.g.,-evidenceincludingatrustedtimestampprovidedbyaTimeStampingAuthority,-evidenceprovidedbyanotarywhichprovidesas-suranceabouttheactionoreventperformedbyoneormoreentities.Non-repudiationcanonlybeprovidedwithinthecontextofaclearlydefinedsecuritypolicyforaparticularapplicationanditslegalenvironment.Non-repudiationpoliciesarede-scribedinISO/IEC10181-4.
【中国标准分类号】:L70
【国际标准分类号】:35_040
【页数】:16P;A4
【正文语种】:英语
基本信息
| 标准名称： | 厢式压滤机和板框压滤机 试验方法 |
| 英文名称： | Methods of property testing for recessed plate filter press & plate and frame filter press |
| 中标分类： |
机械 >>
通用机械与设备 >>
分离机械 |
| ICS分类： |
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| 替代情况： | JB/T 8104-1995(原标准号GB 10896-1989);被JB/T 4333.2-2005代替 |
| 发布日期： | 1999-07-12 |
| 实施日期： | 2000-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2005-09-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 8页 |
适用范围
被JB/T 4333.2-2005代替
前言
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目录
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引用标准
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所属分类： 机械 通用机械与设备 分离机械
