Package net.ripe.rpki.commons.crypto.x509cert

Class X509CertificateBuilderHelper

java.lang.Object

net.ripe.rpki.commons.crypto.x509cert.X509CertificateBuilderHelper

public final class X509CertificateBuilderHelper
extends Object

Fairly generic helper for X509CertificateBuilders. Intended to be used by (delegated to, not extended) specific certificate builders.

Because we want to maintain the pattern where a specific Certificate builder can be chained like: builder.withValidity(val).withSubjectDn(subject) etc... dynamic typing would be required.. hence delegation. Even though RPKI is all about resource certificates, there is not resource-specific version of this builder helper as it is not so easy to make sure that resources are set in a compile-time guaranteed fashion. Resources can be set - using withResources; - using withInheritedResourceTypes. There are complicated relationships between these two ways of setting resources (@see X509CertificateBuilderHelper.validateResource) which results in an inevitable runtime check. Thus moving resource setting into a separate resource-specialised builder doesn't make sense.

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_SIGNATURE_ALGORITHM
static String	DEFAULT_SIGNATURE_PROVIDER

Constructor Summary

Constructors

Constructor	Description
X509CertificateBuilderHelper()

Method Summary

Modifier and Type	Method	Description
protected org.bouncycastle.cert.X509v3CertificateBuilder	createCertificateGenerator()	Override this to add your extensions to the certificate generator
X509Certificate	generateCertificate()	Build the X509 certificate.
protected void	validateResource(net.ripe.ipresource.IpResourceSet resources)	https://tools.ietf.org/html/rfc6487#section-7 Resource extension validation implies that at least IP or ASN extension must be present.
X509CertificateBuilderHelper	withAuthorityInformationAccess(X509CertificateInformationAccessDescriptor... descriptors)
X509CertificateBuilderHelper	withAuthorityKeyIdentifier(boolean add)
X509CertificateBuilderHelper	withCa(boolean ca)
X509CertificateBuilderHelper	withCrlDistributionPoints(URI... uris)
X509CertificateBuilderHelper	withInheritedResourceTypes(EnumSet<net.ripe.ipresource.IpResourceType> resourceTypes)
X509CertificateBuilderHelper	withIssuerDN(X500Principal issuerDN)
X509CertificateBuilderHelper	withKeyUsage(int keyUsage)
X509CertificateBuilderHelper	withPolicies(org.bouncycastle.asn1.x509.PolicyInformation... policies)
X509CertificateBuilderHelper	withPublicKey(PublicKey publicKey)
X509CertificateBuilderHelper	withResources(net.ripe.ipresource.IpResourceSet resources)
X509CertificateBuilderHelper	withRouter(boolean router)
X509CertificateBuilderHelper	withSerial(BigInteger serial)
X509CertificateBuilderHelper	withSignatureAlgorithm(String signatureAlgorithm)	Careful! You probably want to stick to the default.
X509CertificateBuilderHelper	withSignatureProvider(String signatureProvider)
X509CertificateBuilderHelper	withSigningKeyPair(KeyPair signingKey)
X509CertificateBuilderHelper	withSubjectDN(X500Principal subjectDN)
X509CertificateBuilderHelper	withSubjectInformationAccess(X509CertificateInformationAccessDescriptor... descriptors)
X509CertificateBuilderHelper	withValidityPeriod(ValidityPeriod validityPeriod)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_SIGNATURE_ALGORITHM

public static final String DEFAULT_SIGNATURE_ALGORITHM

See Also:

Constant Field Values

DEFAULT_SIGNATURE_PROVIDER

public static final String DEFAULT_SIGNATURE_PROVIDER

See Also:

Constant Field Values

Constructor Detail

X509CertificateBuilderHelper

public X509CertificateBuilderHelper()

Method Detail

withSignatureProvider

public X509CertificateBuilderHelper withSignatureProvider(String signatureProvider)

withSerial

public X509CertificateBuilderHelper withSerial(BigInteger serial)

withSubjectDN

public X509CertificateBuilderHelper withSubjectDN(X500Principal subjectDN)

withIssuerDN

public X509CertificateBuilderHelper withIssuerDN(X500Principal issuerDN)

withValidityPeriod

public X509CertificateBuilderHelper withValidityPeriod(ValidityPeriod validityPeriod)

withResources

public X509CertificateBuilderHelper withResources(net.ripe.ipresource.IpResourceSet resources)

withPublicKey

public X509CertificateBuilderHelper withPublicKey(PublicKey publicKey)

withSigningKeyPair

public X509CertificateBuilderHelper withSigningKeyPair(KeyPair signingKey)

withSignatureAlgorithm

public X509CertificateBuilderHelper withSignatureAlgorithm(String signatureAlgorithm)

Careful! You probably want to stick to the default. This method is here mainly to allow for testing the parser -> it should reject sig algos not allowed by RFC

withKeyUsage

public X509CertificateBuilderHelper withKeyUsage(int keyUsage)

withCa

public X509CertificateBuilderHelper withCa(boolean ca)

withRouter

public X509CertificateBuilderHelper withRouter(boolean router)

withAuthorityKeyIdentifier

public X509CertificateBuilderHelper withAuthorityKeyIdentifier(boolean add)

withCrlDistributionPoints

public X509CertificateBuilderHelper withCrlDistributionPoints(URI... uris)

withAuthorityInformationAccess

public X509CertificateBuilderHelper withAuthorityInformationAccess(X509CertificateInformationAccessDescriptor... descriptors)

withSubjectInformationAccess

public X509CertificateBuilderHelper withSubjectInformationAccess(X509CertificateInformationAccessDescriptor... descriptors)

withPolicies

public X509CertificateBuilderHelper withPolicies(org.bouncycastle.asn1.x509.PolicyInformation... policies)

Parameters:

policies - new certificate policies to apply.

Returns:

the builder

withInheritedResourceTypes

public X509CertificateBuilderHelper withInheritedResourceTypes(EnumSet<net.ripe.ipresource.IpResourceType> resourceTypes)

generateCertificate

public X509Certificate generateCertificate()

Build the X509 certificate.

createCertificateGenerator

protected org.bouncycastle.cert.X509v3CertificateBuilder createCertificateGenerator()

Override this to add your extensions to the certificate generator

validateResource

protected void validateResource(net.ripe.ipresource.IpResourceSet resources)

https://tools.ietf.org/html/rfc6487#section-7 Resource extension validation implies that at least IP or ASN extension must be present. This means at least one IPvX or ASN must be either set explicitly or inherited..