org.spongycastle.cert

Class X509ExtensionUtils

java.lang.Object

org.spongycastle.cert.X509ExtensionUtils

Direct Known Subclasses:

BcX509ExtensionUtils, JcaX509ExtensionUtils

public class X509ExtensionUtils
extends java.lang.Object

General utility class for creating calculated extensions using the standard methods.

Note: This class is not thread safe!

Constructor Summary

Constructors

Constructor and Description
X509ExtensionUtils(DigestCalculator calculator)

Method Summary

Methods

Modifier and Type	Method and Description
org.spongycastle.asn1.x509.AuthorityKeyIdentifier	createAuthorityKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo)
org.spongycastle.asn1.x509.AuthorityKeyIdentifier	createAuthorityKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo, org.spongycastle.asn1.x509.GeneralNames generalNames, java.math.BigInteger serial)
org.spongycastle.asn1.x509.AuthorityKeyIdentifier	createAuthorityKeyIdentifier(X509CertificateHolder certHolder)
org.spongycastle.asn1.x509.SubjectKeyIdentifier	createSubjectKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo) Return a RFC 3280 type 1 key identifier.
org.spongycastle.asn1.x509.SubjectKeyIdentifier	createTruncatedSubjectKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo) Return a RFC 3280 type 2 key identifier.

Methods inherited from class java.lang.Object

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

Constructor Detail

X509ExtensionUtils

public X509ExtensionUtils(DigestCalculator calculator)

Method Detail

createAuthorityKeyIdentifier

public org.spongycastle.asn1.x509.AuthorityKeyIdentifier createAuthorityKeyIdentifier(X509CertificateHolder certHolder)

createAuthorityKeyIdentifier

public org.spongycastle.asn1.x509.AuthorityKeyIdentifier createAuthorityKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo)

createAuthorityKeyIdentifier

public org.spongycastle.asn1.x509.AuthorityKeyIdentifier createAuthorityKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo,
                                                                             org.spongycastle.asn1.x509.GeneralNames generalNames,
                                                                             java.math.BigInteger serial)

createSubjectKeyIdentifier

public org.spongycastle.asn1.x509.SubjectKeyIdentifier createSubjectKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo)

Return a RFC 3280 type 1 key identifier. As in:

 (1) The keyIdentifier is composed of the 160-bit SHA-1 hash of the
 value of the BIT STRING subjectPublicKey (excluding the tag,
 length, and number of unused bits).
 

Parameters:

publicKeyInfo - the key info object containing the subjectPublicKey field.

Returns:

the key identifier.

createTruncatedSubjectKeyIdentifier

public org.spongycastle.asn1.x509.SubjectKeyIdentifier createTruncatedSubjectKeyIdentifier(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo)

Return a RFC 3280 type 2 key identifier. As in:

 (2) The keyIdentifier is composed of a four bit type field with
 the value 0100 followed by the least significant 60 bits of the
 SHA-1 hash of the value of the BIT STRING subjectPublicKey.
 

Parameters:

publicKeyInfo - the key info object containing the subjectPublicKey field.

Returns:

the key identifier.