observable:X509CertificateFacet leaf node

core:Facet
- observable:X509CertificateFacet

URI

https://ontology.unifiedcyberontology.org/uco/observable/X509CertificateFacet

Label

X509CertificateFacet

Description

A X.509 certificate facet is a grouping of characteristics unique to a public key digital identity certificate conformant to the X.509 PKI (Public Key Infrastructure) standard.

Superclasses (3)

core:Facet

core:UcoInherentCharacterizationThing

core:UcoThing

Shapes (1)

observable:X509CertificateFacet

Usage

Instances of observable:X509CertificateFacet can have the following properties:

PROPERTY	TYPE	DESCRIPTION	RANGE
From class owl:Thing
core:informalType	owl:DatatypeProperty	Informal Type serves as a parent property for string-valued properties meant to describe a type without implementing a class design. This property hierarchy supports a balancing point between semantic specificity and operational agility. The known benefits of describing types rather than implementing them include swift extensibility of some existing, or possibly non-existing, subclass hierarchy in UCO without requiring training in ontological development, taxonomic specification, or OWL, SHACL, or RDF maintenance logistics. The known detractions of using string-literals for type descriptions include that used vocabularies may require careful maintenance among data-sharing parties; that vocabularies require independent logistics (external to UCO) for providing definitions (i.e., dictionary-style semantics) to string-literals chosen; and that string-literals cannot by themselves encode hierarchical structure or entailments, such as the informal device type string 'ExamplePhone 8 P4321' entailing 'ExamplePhone 8', 'ExamplePhone', or 'ExamplePhone models discontinued in 2020'. Usage of Informal Type to house strings should be weighed against usage of classes when classes are available, and should periodically be reviewed for potential additions to UCO's class hierarchy or downstream extensions thereof.	owl:Thing
types:threadNextItem	owl:ObjectProperty	The link to a next item in a thread.	owl:Thing
types:threadPreviousItem	owl:ObjectProperty	A direct link to a previous item in a thread.	owl:Thing

Property Shapes

By the associated SHACL property shapes, instances of observable:X509CertificateFacet can have the following properties:

PROPERTY	PROPERTY TYPE	DESCRIPTION	MAX COUNT	LOCAL RANGE (type range for property on this class)	GLOBAL RANGE (type range for property globally)
observable:X509CertificateFacet
observable:isSelfSigned	owl:DatatypeProperty		1	xsd:boolean	xsd:boolean
observable:issuer	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:issuerHash	owl:ObjectProperty	A hash calculated on the certificate issuer name.	1	types:Hash	types:Hash
observable:serialNumber	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:signature	owl:DatatypeProperty	A	1	xsd:string	xsd:string
observable:signatureAlgorithm	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:subject	owl:DatatypeProperty	The subject of the email.	1	xsd:string	xsd:string
observable:subjectHash	owl:ObjectProperty	A hash calculated on the certificate subject name.	1	types:Hash	types:Hash
observable:subjectPublicKeyAlgorithm	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:subjectPublicKeyExponent	owl:DatatypeProperty		1	xsd:integer	xsd:integer
observable:subjectPublicKeyModulus	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:thumbprintHash	owl:ObjectProperty	A hash calculated on the entire certificate including signature.	1	types:Hash	types:Hash
observable:validityNotAfter	owl:DatatypeProperty		1	xsd:dateTime	xsd:dateTime
observable:validityNotBefore	owl:DatatypeProperty		1	xsd:dateTime	xsd:dateTime
observable:version	owl:DatatypeProperty		1	xsd:string	xsd:string
observable:x509v3extensions	owl:ObjectProperty		1	observable:X509V3ExtensionsFacet	observable:X509V3ExtensionsFacet

Implementation

@prefix core: <https://ontology.unifiedcyberontology.org/uco/core/> .
@prefix observable: <https://ontology.unifiedcyberontology.org/uco/observable/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix types: <https://ontology.unifiedcyberontology.org/uco/types/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

observable:X509CertificateFacet a owl:Class,
        sh:NodeShape ;
    rdfs:label "X509CertificateFacet"@en ;
    rdfs:comment "A X.509 certificate facet is a grouping of characteristics unique to a public key digital identity certificate conformant to the X.509 PKI (Public Key Infrastructure) standard. "@en ;
    rdfs:subClassOf core:Facet ;
    sh:property [ sh:class observable:X509V3ExtensionsFacet ;
            sh:maxCount 1 ;
            sh:nodeKind sh:IRI ;
            sh:path observable:x509v3extensions ],
        [ sh:class types:Hash ;
            sh:maxCount 1 ;
            sh:nodeKind sh:IRI ;
            sh:path observable:issuerHash ],
        [ sh:class types:Hash ;
            sh:maxCount 1 ;
            sh:nodeKind sh:IRI ;
            sh:path observable:subjectHash ],
        [ sh:class types:Hash ;
            sh:maxCount 1 ;
            sh:nodeKind sh:IRI ;
            sh:path observable:thumbprintHash ],
        [ sh:datatype xsd:boolean ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:isSelfSigned ],
        [ sh:datatype xsd:dateTime ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:validityNotAfter ],
        [ sh:datatype xsd:dateTime ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:validityNotBefore ],
        [ sh:datatype xsd:integer ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:subjectPublicKeyExponent ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:issuer ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:serialNumber ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:signature ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:signatureAlgorithm ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:subject ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:subjectPublicKeyAlgorithm ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:subjectPublicKeyModulus ],
        [ sh:datatype xsd:string ;
            sh:maxCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path observable:version ] ;
    sh:targetClass observable:X509CertificateFacet .