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.


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
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
X.509 v2
X.509 v3
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
S/MIME
SSH (via certificate-based keys)
SSL
TLS
verifiedBy certificate authority
relying party

Referenced by (21)

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