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PERMISPMIDavidChadwick1/5/20231?2019TrueTrustLtdPERMISPMIDavidChadwick12/26/X.812|ISO10181AccessControlFrameworkADFInitiatorTargetSubmitAccessRequestPresentAccessRequestDecisionRequestDecisionAEF1/5/20232?2019TrueTrustLtdX.812|ISO10181AccessControlADFAPIADFAPIDecisionRequestDecisionAEFADFExamples:OpenGroupAZNAPIIETFGAAAPIPERMISAPIApplicationspecificApplicationindependent1/5/20233?2019TrueTrustLtdADFAPIADFAPIDecisionDecisionAZNAPISystemStructureInitiatorTargetAEFAuthenticationServiceAuthenticationMechanismAZNAPIADFInitiatorSecurityAttributesAccessControlPolicyRulesAZNAPIImplementation1/5/20234?2019TrueTrustLtdAZNAPISystemStructureInitiaPERMISAPISystemStructureADFThePERMISPMIAPIInitiatorTargetSubmitSignedAccessRequestPresentAccessRequestDecisionRequestDecisionLDAPDirectoryRetrievePolicyandRoleACsAEFAuthenticationServiceApplicationGatewayPERMISAPIImplementationPKI1/5/20235?2019TrueTrustLtdPERMISAPISystemStructureADFPERMISPMIComponentsPrivilegePolicySchema/DTDThisdefinesthemetarulesthatgovernthecreationofthePrivilegePolicy(AccessControlPolicyRules)PrivilegeAllocatorThistoolallowsanadministratortocreateandsignAttributeCertificates,includingaPolicyAC(thisisasignedversionofthePrivilegePolicy),andstoretheminanLDAPdirectoryThePERMISPMIImplementationThisgrantsordeniesInitiatorsaccesstoresources,basedonthePrivilegePolicyandtheACsoftheInitiator.TheADFisaccessedviathePERMISAPI1/5/20236?2019TrueTrustLtdPERMISPMIComponentsPrivilegeApplicationSpecificComponentsTheAccessEnforcementFunctionItstaskistoensuretheInitiatorisauthenticatedbythePKI,thentocalltheADF,andgiveaccesstothetargetifallowedThePKIAnystandardconformingPKIcanbeusedJavaPKCS#11InterfacetothePERMISPMIThePrivilegePolicyinXMLThismustbewrittenaccordingtotheschema/DTDLDAPDirectoryTostorethePolicyandInitiatorACs1/5/20237?2019TrueTrustLtdApplicationSpecificComponentPERMISX.509PMIRBACPolicyRoleBasedAccessControlPolicywritteninXMLInitiatorsaregivenRoleAssignmentACsAroleislooselydefinedasanyAttributeTypeandAttributeValueRolevaluescanformahierarchy,wheresuperiorsinherittheprivilegesoftheirsubordinatese.g.CTO>PM>TL>TMACscanbeissuedbyanytrustedAAAccessisbasedontheRolesPublishedbyXML.1/5/20238?2019TrueTrustLtdPERMISX.509PMIRBACPolicyRoAnExamplePolicy-theHeader<?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPEX.509_PMI_RBAC_PolicySYSTEM"file://localhost/C:/research/permis/policy7.dtd"><X.509_PMI_RBAC_PolicyOID="1.2.83448">1/5/20239?2019TrueTrustLtdAnExamplePolicy-theHeaderRoleAssignmentPolicyComponentsSubjectPolicySpecifiessubjectdomainsbasedonLDAPsubtreesRoleHierarchyPolicySpecifieshierarchyofrolevaluesSOAPolicySpecifieswhoistrustedtoissueACsRoleAssignmentPolicySayswhichrolescanbegiventowhichsubjectsbywhichSOAs,withwhichvaliditytimesandwhetherdelegationisallowed1/5/202310?2019TrueTrustLtdRoleAssignmentPolicyComponeAnExampleSubjectPolicy<SubjectPolicy> <SubjectDomainSpecID="Companies"> <IncludeLDAPDN=”dc=myorg,dc=com"/> <IncludeLDAPDN="dc=co,dc=uk"/></SubjectDomainSpec><SubjectDomainSpecID="Employees"> <IncludeLDAPDN="dc=salford,dc=gov,dc=uk"/></SubjectDomainSpec></SubjectPolicy>1/5/202311?2019TrueTrustLtdAnExampleSubjectPolicy<SubAnExampleRoleHierarchyPolicy<RoleHierarchyPolicy> <RoleSpecType=“permisRole”O(jiān)ID=“1.2.834484”> <SupRoleValue=“TenderOfficer”/> <SubRoleValue=“TenderClerk”/> <SupRoleValue=“Tenderer”/> <SupRoleValue=“TenderClerk”/> </RoleSpec></RoleHierarchyPolicy>TenderOfficerTenderClerkTenderer1/5/202312?2019TrueTrustLtdAnExampleRoleHierarchyPoliAnExampleSOAPolicy<SOAPolicy> <SOASpecID="Salford"LDAPDN="cn=DavidHunter,ou=computing,dc=salford,dc=gov,dc=uk"/><SOASpecID="BSI"LDAPDN="o=bsi,c=gb"/></SOAPolicy>1/5/202313?2019TrueTrustLtdAnExampleSOAPolicy<SOAPoliAnExampleRoleAssignmentPolicy<RoleAssignment> <SubjectDomainID="Employees"/><RoleType=”permisRole"Value="TenderOfficer"/><DelegateDepth="0"/><SOAID="Salford"/><Validity> <AbsoluteStart="2019-09-21T17:00:00"/></Validity></RoleAssignment>1/5/202314?2019TrueTrustLtdAnExampleRoleAssignmentPolPolicyComponents(cont)TargetPolicySpecifiesthetargetdomainscoveredbythispolicy,usingLDAPsubtreesActionPolicySpecifiestheactions(operations)supportedbythetargets,alongwiththeirallowedoperandsTargetAccessPolicySpecifieswhichrolesareneededtoaccesswhichtargetsforwhichactions,andunderwhatconditions1/5/202315?2019TrueTrustLtdPolicyComponents(cont)TargetTargetAccessConditionsAconditioncomprises:acomparisonoperatortheLHSoperand(variable),describedbyitssource,nameandtype,andvariablesourceistheactionortheenvironmentEg.SourceReadaction,Namefilename,TypestringEg.Sourceenvironment,Nametimeofday,TypetimeaseriesofoneormorevariablesorconstantvaluesagainstwhichtheLHSoperandistobecomparedConditionsmaybecombinedusingAND,OR,NOT1/5/202316?2019TrueTrustLtdTargetAccessConditionsAcondAnExampleTargetPolicy<TargetPolicy> <TargetDomainSpecID="TenderStore"> <IncludeLDAPDN="cn=TenderStore,ou=computing,dc=salford,dc=gov,dc=uk"/></TargetDomainSpec></TargetPolicy>1/5/202317?2019TrueTrustLtdAnExampleTargetPolicy<TargAnExampleActionPolicy<ActionPolicy><ActionArgs="TenderNo"Name="Write"/><ActionArgs="TenderNo"Name="Read"/><ActionArgs="TenderNo"Name="Delete"/></ActionPolicy>1/5/202318?2019TrueTrustLtdAnExampleActionPolicy<ActiAnExampleTargetAccessPolicy<TargetAccess> <RoleList><RoleType=”permisRole"Value="TenderOfficer"/></RoleList><TargetList> <TargetActions=”Delete"> <TargetDomainID="TenderStore"/></Target></TargetList>1/5/202319?2019TrueTrustLtdAnExampleTargetAccessPolicAnExampleConditionStatement<IF> <EQ> <EnvironmentParameter="TimeOfAccess" Type="Time"/> <ConstantType="TimePeriod"Value= "DaysOfWeek=0111110End=2019-10-00 LocalOrUTC=localStart=2019-06-00 TimeOfDay=T090000/T170000"/> </EQ></IF></TargetAccess>1/5/202320?2019TrueTrustLtdAnExampleConditionStatementCreatingYourOwnPolicyIfanXMLexpert,simplyuseyourfavouritetexteditorOruseanXMLtoolsuchasXeenafromIBMAlphaworks1/5/202321?2019TrueTrustLtdCreatingYourOwnPolicyIfanThePrivilegeAllocatorAtoolforcreatingAttributeCertificates1/5/202322?2019TrueTrustLtdThePrivilegeAllocatorAtoolThePERMISAPIFourSimpleCalls:ConstructorforAPI,GetCreds,DecisionandShutdownWritteninJavaandbasedapproximatelyontheOpenGroup’sAZNAPIConstructorPassthenameoftheadministrator,theOIDofthepolicyandtheURLsoftheLDAPrepositoriesAPIObjectreadsinthePolicyACandverifiesitssignatureandOID1/5/202323?2019TrueTrustLtdThePERMISAPIFourSimpleCallAPIStateTransitionDiagramInitialisedNoAPIObjectSubjectKnownConstructGetCredsShutdownDecisionGetCreds1/5/202324?2019TrueTrustLtdAPIStateTransitionDiagramInThePERMISAPI(cont)GetCredsPasstheauthenticatedname(LDAPDN)ofthesubjectPullmode,GetCredsretrievesthesubject’sACsPushmode,ACsarepassedtoGetCredsACsarevalidatedandrolesextractedDecisionPassthetargetname,theaction,andtheparametersofthesubject’srequestDecisioncheckstherequestagainstthepolicyandreturnsGrantedorDeniedShutdownTerminatestheuseofthispolicy1/5/202325?2019TrueTrustLtdThePERMISAPI(cont)GetCreds1PrivilegeAllocatorLDAPdirectoryAttributeCertificates+ACRLsSOARemoteApplicationUserPrivilegePolicyINTERNETINTRANETPKICertifiesPKCerts+PKCRLsAuthorisesPuttingitaltogether-AllocatingPrivilegesLDAPdirectory1/5/202326?2019TrueTrustLtdPrivilegeLDAPAttributeSOARemotPrivilegeCreationStepsSOAdefinesPrivilegePolicyusingPrivilegeAllocatorPrivilegePolicyisstoredinLDAPdirectoryasselfsignedAttributeCertificateSOAallocatesprivilegestouser,inaccordancewiththePrivilegePolicySOAcanrevokeuserprivilegesSOAcanupdatePrivilegePolicy1/5/202327?2019TrueTrustLtdPrivilegeCreationStepsSOAdeE-CommerceApplicationServerLDAPdirectoryPrivilegePolicyACs+ACRLs+PKCRLsRemoteApplicationUserDigitallySignedRequest(SSLorS/MIME)PrivilegeVerifierINTERNETINTRANETGrantingUserAccessApplicationGatewayAccessesusingprivilegesgrantedtheuserLDAPdirectory1/5/202328?2019TrueTrustLtdE-LDAPPrivilegePolicyACs+AExampleApplicationsSalfordCityCouncil-ElectronicTenderingBarcelonaMunicipality-CarParkingFinesBolognaComune-architectssubmittingbuildingplansElectronicPrescriptionProcessing1/5/202329?2019TrueTrustLtdExampleApplicationsSalfordCi謝謝！謝謝！PERMISPMIDavidChadwick1/5/202331?2019TrueTrustLtdPERMISPMIDavidChadwick12/26/X.812|ISO10181AccessControlFrameworkADFInitiatorTargetSubmitAccessRequestPresentAccessRequestDecisionRequestDecisionAEF1/5/202332?2019TrueTrustLtdX.812|ISO10181AccessControlADFAPIADFAPIDecisionRequestDecisionAEFADFExamples:OpenGroupAZNAPIIETFGAAAPIPERMISAPIApplicationspecificApplicationindependent1/5/202333?2019TrueTrustLtdADFAPIADFAPIDecisionDecisionAZNAPISystemStructureInitiatorTargetAEFAuthenticationServiceAuthenticationMechanismAZNAPIADFInitiatorSecurityAttributesAccessControlPolicyRulesAZNAPIImplementation1/5/202334?2019TrueTrustLtdAZNAPISystemStructureInitiaPERMISAPISystemStructureADFThePERMISPMIAPIInitiatorTargetSubmitSignedAccessRequestPresentAccessRequestDecisionRequestDecisionLDAPDirectoryRetrievePolicyandRoleACsAEFAuthenticationServiceApplicationGatewayPERMISAPIImplementationPKI1/5/202335?2019TrueTrustLtdPERMISAPISystemStructureADFPERMISPMIComponentsPrivilegePolicySchema/DTDThisdefinesthemetarulesthatgovernthecreationofthePrivilegePolicy(AccessControlPolicyRules)PrivilegeAllocatorThistoolallowsanadministratortocreateandsignAttributeCertificates,includingaPolicyAC(thisisasignedversionofthePrivilegePolicy),andstoretheminanLDAPdirectoryThePERMISPMIImplementationThisgrantsordeniesInitiatorsaccesstoresources,basedonthePrivilegePolicyandtheACsoftheInitiator.TheADFisaccessedviathePERMISAPI1/5/202336?2019TrueTrustLtdPERMISPMIComponentsPrivilegeApplicationSpecificComponentsTheAccessEnforcementFunctionItstaskistoensuretheInitiatorisauthenticatedbythePKI,thentocalltheADF,andgiveaccesstothetargetifallowedThePKIAnystandardconformingPKIcanbeusedJavaPKCS#11InterfacetothePERMISPMIThePrivilegePolicyinXMLThismustbewrittenaccordingtotheschema/DTDLDAPDirectoryTostorethePolicyandInitiatorACs1/5/202337?2019TrueTrustLtdApplicationSpecificComponentPERMISX.509PMIRBACPolicyRoleBasedAccessControlPolicywritteninXMLInitiatorsaregivenRoleAssignmentACsAroleislooselydefinedasanyAttributeTypeandAttributeValueRolevaluescanformahierarchy,wheresuperiorsinherittheprivilegesoftheirsubordinatese.g.CTO>PM>TL>TMACscanbeissuedbyanytrustedAAAccessisbasedontheRolesPublishedbyXML.1/5/202338?2019TrueTrustLtdPERMISX.509PMIRBACPolicyRoAnExamplePolicy-theHeader<?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPEX.509_PMI_RBAC_PolicySYSTEM"file://localhost/C:/research/permis/policy7.dtd"><X.509_PMI_RBAC_PolicyOID="1.2.83448">1/5/202339?2019TrueTrustLtdAnExamplePolicy-theHeaderRoleAssignmentPolicyComponentsSubjectPolicySpecifiessubjectdomainsbasedonLDAPsubtreesRoleHierarchyPolicySpecifieshierarchyofrolevaluesSOAPolicySpecifieswhoistrustedtoissueACsRoleAssignmentPolicySayswhichrolescanbegiventowhichsubjectsbywhichSOAs,withwhichvaliditytimesandwhetherdelegationisallowed1/5/202340?2019TrueTrustLtdRoleAssignmentPolicyComponeAnExampleSubjectPolicy<SubjectPolicy> <SubjectDomainSpecID="Companies"> <IncludeLDAPDN=”dc=myorg,dc=com"/> <IncludeLDAPDN="dc=co,dc=uk"/></SubjectDomainSpec><SubjectDomainSpecID="Employees"> <IncludeLDAPDN="dc=salford,dc=gov,dc=uk"/></SubjectDomainSpec></SubjectPolicy>1/5/202341?2019TrueTrustLtdAnExampleSubjectPolicy<SubAnExampleRoleHierarchyPolicy<RoleHierarchyPolicy> <RoleSpecType=“permisRole”O(jiān)ID=“1.2.834484”> <SupRoleValue=“TenderOfficer”/> <SubRoleValue=“TenderClerk”/> <SupRoleValue=“Tenderer”/> <SupRoleValue=“TenderClerk”/> </RoleSpec></RoleHierarchyPolicy>TenderOfficerTenderClerkTenderer1/5/202342?2019TrueTrustLtdAnExampleRoleHierarchyPoliAnExampleSOAPolicy<SOAPolicy> <SOASpecID="Salford"LDAPDN="cn=DavidHunter,ou=computing,dc=salford,dc=gov,dc=uk"/><SOASpecID="BSI"LDAPDN="o=bsi,c=gb"/></SOAPolicy>1/5/202343?2019TrueTrustLtdAnExampleSOAPolicy<SOAPoliAnExampleRoleAssignmentPolicy<RoleAssignment> <SubjectDomainID="Employees"/><RoleType=”permisRole"Value="TenderOfficer"/><DelegateDepth="0"/><SOAID="Salford"/><Validity> <AbsoluteStart="2019-09-21T17:00:00"/></Validity></RoleAssignment>1/5/202344?2019TrueTrustLtdAnExampleRoleAssignmentPolPolicyComponents(cont)TargetPolicySpecifiesthetargetdomainscoveredbythispolicy,usingLDAPsubtreesActionPolicySpecifiestheactions(operations)supportedbythetargets,alongwiththeirallowedoperandsTargetAccessPolicySpecifieswhichrolesareneededtoaccesswhichtargetsforwhichactions,andunderwhatconditions1/5/202345?2019TrueTrustLtdPolicyComponents(cont)TargetTargetAccessConditionsAconditioncomprises:acomparisonoperatortheLHSoperand(variable),describedbyitssource,nameandtype,andvariablesourceistheactionortheenvironmentEg.SourceReadaction,Namefilename,TypestringEg.Sourceenvironment,Nametimeofday,TypetimeaseriesofoneormorevariablesorconstantvaluesagainstwhichtheLHSoperandistobecomparedConditionsmaybecombinedusingAND,OR,NOT1/5/202346?2019TrueTrustLtdTargetAccessConditionsAcondAnExampleTargetPolicy<TargetPolicy> <TargetDomainSpecID="TenderStore"> <IncludeLDAPDN="cn=TenderStore,ou=computing,dc=salford,dc=gov,dc=uk"/></TargetDomainSpec></TargetPolicy>1/5/202347?2019TrueTrustLtdAnExampleTargetPolicy<TargAnExampleActionPolicy<ActionPolicy><ActionArgs="TenderNo"Name="Write"/><ActionArgs="TenderNo"Name="Read"/><ActionArgs="TenderNo"Name="Delete"/></ActionPolicy>1/5/202348?2019TrueTrustLtdAnExampleActionPolicy<ActiAnExampleTargetAccessPolicy<TargetAccess> <RoleList><RoleType=”permisRole"Value="TenderOfficer"/></RoleList><TargetList> <TargetActions=”Delete"> <TargetDomainID="TenderStore"/></Target></TargetList>1/5/202349?2019TrueTrustLtdAnExampleTargetAccessPolicAnExampleConditionStatement<IF> <EQ> <EnvironmentParameter="TimeOfAccess" Type="Time"/> <ConstantType="TimePeriod"Value= "DaysOfWeek=0111110End=2019-10-00 LocalOrUTC=localStart=2019-06-00 TimeOfDay=T090000/T170000"/> </EQ></IF></TargetAccess>1/5/202350?2019TrueTrustLtdAnExampleConditionStatementCreatingYourOwnPolicyIfanXMLexpert,simplyuseyourfavouritetexteditorOruseanXMLtoolsuchasXeenafromIBMAlphaworks1/5/202351?2019TrueTrustLtdCreatingYourOwnPolicyIfanThePrivilegeAllocatorAtoolforcreatingAttributeCertificates1/5/202352?2019TrueTrustLtdThePrivilegeAllocatorAtoolThePERMISAPIFourSimpleCalls:ConstructorforAPI,GetCreds,DecisionandShutdownWritteninJavaandbasedapproximatelyontheOpenGroup’sAZNAPIConstructorPassthenameoftheadministrator,theOIDofthepolicyandtheURLsoftheLDAPrepositoriesAPIObjectreadsinthePolicyACandverifiesitssignatureandOID1/5/202353?2019TrueTrustLtdThePERMISAPIFourSimpleCallAPIStateTransitionDiagramI

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