X.509 certificates

E6784

X.509 certificates are digital documents that bind a public key to an entity’s identity using a trusted certificate authority, forming the basis of public key infrastructure for secure communications.

All labels observed (11)

How this entity was disambiguated

Statements (64)

Predicate Object
instanceOf digital certificate
public key infrastructure component
canContainExtension CRL distribution points
authority information access
authority key identifier
basic constraints
certificate policies
extended key usage
key usage
subject alternative name
subject key identifier
definedBy ITU-T Recommendation X.509
linked to: X.509 certificates
encodedAs ASN.1
hasComponent extensions
issuer distinguished name
serial number
signature algorithm identifier
signature value
subject distinguished name
subject public key info
validity period
version
hasField issuer
notAfter
notBefore
public key
signature
subject
hasVersion X.509 v1
linked to: X.509 certificates

X.509 v2
linked to: X.509 certificates

X.509 v3
linked to: X.509 certificates
issuedBy certificate authority
reliesOn certificate authority trust model
intermediate certificate
root certificate
requires private key for corresponding public key
serializedAs DER
PEM
standardizedBy ISO
ITU-T
supportsRevocationVia certificate revocation list
online certificate status protocol
trustEstablishedBy root certificate store
trust anchor
usedFor authentication
binding a public key to an identity
client authentication
code signing
confidentiality
document signing
email protection
integrity
non-repudiation
server authentication
usedIn public key infrastructure
usedInProtocol HTTPS
IPsec
LDAP over TLS
linked to: STARTTLS

S/MIME
SSH (via certificate-based keys)
SSL
TLS
verifiedBy certificate authority
relying party

How these facts were elicited

Referenced by (44)

Full triples — surface form annotated when it differs from this entity's canonical label.

TLS usesMechanism X.509 certificates
SSL 3.0 supports X.509 certificates
RFC 5246 uses X.509 certificates
HTTPS uses X.509 certificates
X.509 certificate definedBy ITU-T Recommendation X.509
subject linked to: X.509 certificates
linked to: X.509 certificates
X.509 certificate hasVersion X.509 v1
subject linked to: X.509 certificates
linked to: X.509 certificates
X.509 certificate hasVersion X.509 v2
subject linked to: X.509 certificates
linked to: X.509 certificates
X.509 certificate hasVersion X.509 v3
subject linked to: X.509 certificates
linked to: X.509 certificates
SSL 2.0 supports X.509 certificates
ITU Telecommunication Standardization Sector notableStandard X.509
linked to: X.509 certificates
SSL supports X.509 certificates
RFC 4346 supports X.509 certificates
PKCS #1 relatedTo X.509
linked to: X.509 certificates
S/MIME uses X.509 certificates
S/MIME requires Public Key Infrastructure
linked to: X.509 certificates
RFC 2246 uses X.509 certificates
TLS 1.0 supports X.509 certificates
TLS 1.1 uses X.509 certificates
ASN.1 usedIn X.509 certificates
RFC 3546 relatedTo X.509 certificates
ITU-T Recommendations hasPart ITU-T Recommendation X.509
linked to: X.509 certificates
DTLS uses X.509 certificates
Apple Developer ID certificate conformsTo X.509 standard
subject linked to: Apple Developer ID certificates
linked to: X.509 certificates
OpenSSL implementsStandard X.509
linked to: X.509 certificates
BoringSSL supportsStandard X.509
linked to: X.509 certificates
NTP Autokey basedOn X.509 public key certificates
linked to: X.509 certificates
MD5 notRecommendedFor TLS certificates
linked to: X.509 certificates
MD5 formerUse X.509 certificates
PKCS #7 relatedTo X.509 certificates
PKCS #8 relatedTo X.509
linked to: X.509 certificates
brainpool curves usedIn X.509 certificates
DNS over TLS requires X.509 certificates
X.500 hasComponent X.509
linked to: X.509 certificates
X.500 relatedStandard X.509
linked to: X.509 certificates
Client Certificate URL extension relatedTo X.509 client certificates
linked to: X.509 certificates
RFC 6066 relatedTo X.509 certificates
LibreSSL implements X.509
linked to: X.509 certificates
Azure Key Vault supports X.509 certificates
AWS Identity and Access Management uses X.509 certificates
gpgsm supportsStandard X.509
linked to: X.509 certificates
gpgsm supportsFormat X.509 certificates
dirmngr supportsProtocol X.509
linked to: X.509 certificates