ANSI/ASTM F1071-1994 膨胀金属防水板条规范
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【英文标准名称】:SpecificationforExpanded-MetalBulkheadPanels
【原文标准名称】:膨胀金属防水板条规范
【标准号】:ANSI/ASTMF1071-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:船舶舱壁;造船
【英文主题词】:Castings;Expandedmetal;Ferro-alloys;Iron;Panels;Shipbuilding;Shipsbulkheads;Steels
【摘要】:Thisspecificationcoverssteelexpanded-metalbulkheadpanelssuitableforuseinstorerooms,shops,andasprotectionagainstpersonnelhazards.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:U25
【国际标准分类号】:47_020_10
【页数】:
【正文语种】:英语
Product Code:SAE ARP24
Title:Determination of Hydraulic Pressure Drop
Issuing Committee:A-6a2 Military Aircraft Committee
Scope:This SAE Aerospace Recommended Practice (ARP) provides analytical and test methods for determining pressure drop in fluid systems such as hydraulic, fluid, oil, and coolant used in aerospace vehicles. Determining pressure drop by analytical and test results will be discussed.【英文标准名称】:Informationtechnology-Securitytechniques-Keymanagement-Part3:Mechanismsusingasymmetrictechniques
【原文标准名称】:信息技术.安全技术.密钥管理.第3部分:使用不对称技术的机制
【标准号】:ISO/IEC11770-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC27
【标准类型】:()
【标准水平】:()
【中文主题词】:算法;不对称的;校验;代号系统;编码;密码;数据处理;数据保护;数据传输;定义;信息交换;信息技术;IT安全;安全工程
【英文主题词】:Algorithms;Asymmetrical;Authentication;Codesystems;Coding;Cryptographic;Dataprocessing;Dataprotection;Datatransmission;Definitions;Informationinterchange;Informationtechnology;ITsecurity;Safetyengineering
【摘要】:ThispartofISO/IEC11770defineskeymanagementmechanismsbasedonasymmetriccryptographictechniques.Itspecificallyaddressestheuseofasymmetrictechniquestoachievethefollowinggoals.1)EstablishasharedsecretkeyforasymmetriccryptographictechniquebetweentwoentitiesAandBbykeyagreement.Inasecretkeyagreementmechanism,thesecretkeyistheresultofadataexchangebetweenthetwoentitiesAandB.Neitherofthemcanpredeterminethevalueofthesharedsecretkey.2)EstablishasharedsecretkeyforasymmetriccryptographictechniquebetweentwoentitiesAandBbykeytransport.Inasecretkeytransportmechanism,thesecretkeyischosenbyoneentityAandistransferredtoanotherentityB,suitablyprotectedbyasymmetrictechniques.3)Makeanentity'spublickeyavailabletootherentitiesbykeytransport.Inapublickeytransportmechanism,thepublickeyofentityAmustbetransferredtootherentitiesinanauthenticatedway,butnotrequiringsecrecy.SomeofthemechanismsofthispartofISO/IEC11770arebasedonthecorrespondingauthenticationmechanismsinISO/IEC9798-3.ThispartofISO/IEC11770doesnotcoveraspectsofkeymanagementsuchas--keylifecyclemanagement,--mechanismstogenerateorvalidateasymmetrickeypairs,--mechanismstostore,archive,delete,destroy,etc.keys.WhilethispartofISO/IEC11770doesnotexplicitlycoverthedistributionofanentity'sprivatekey(ofanasymmetrickeypair)fromatrustedthirdpartytoarequestingentity,thekeytransportmechanismsdescribedcanbeusedtoachievethis.Aprivatekeycaninallcasesbedistributedwiththesemechanismswhereanexisting,non-compromisedkeyalreadyexists.However,inpracticethedistributionofprivatekeysisusuallyamanualprocessthatreliesontechnologicalmeanslikesmartcards,etc.ThispartofISO/IEC11770doesnotcovertheimplementationsofthetransformationsusedinthekeymanagementmechanisms.NOTEToachieveauthenticityofkeymanagementmessages,itispossibletomakeprovisionsforauthenticitywithinthekeyestablishmentprotocolortouseapublickeysignaturesystemtosignthekeyexchangemessages.
【中国标准分类号】:L04
【国际标准分类号】:35_040
【页数】:89P.;A4
【正文语种】:英语
