Java X509CertificateHolder.getExtension方法代碼示例

import org.bouncycastle.cert.X509CertificateHolder; //導入方法依賴的package包/類
public boolean match(Object obj)
{
    if (obj instanceof X509CertificateHolder)
    {
        X509CertificateHolder certHldr = (X509CertificateHolder)obj;

        if (this.getSerialNumber() != null)
        {
            IssuerAndSerialNumber iAndS = new IssuerAndSerialNumber(certHldr.toASN1Structure());

            return iAndS.getName().equals(this.issuer)
                && iAndS.getSerialNumber().getValue().equals(this.serialNumber);
        }
        else if (subjectKeyId != null)
        {
            Extension ext = certHldr.getExtension(Extension.subjectKeyIdentifier);

            if (ext == null)
            {
                return Arrays.areEqual(subjectKeyId, MSOutlookKeyIdCalculator.calculateKeyId(certHldr.getSubjectPublicKeyInfo()));
            }

            byte[] subKeyID = ASN1OctetString.getInstance(ext.getParsedValue()).getOctets();

            return Arrays.areEqual(subjectKeyId, subKeyID);
        }
    }
    else if (obj instanceof byte[])
    {
        return Arrays.areEqual(subjectKeyId, (byte[])obj);
    }

    return false;
}
 

import org.bouncycastle.cert.X509CertificateHolder; //導入方法依賴的package包/類
/**
 * Validate the passed in certificate as being of the correct type to be used
 * for time stamping. To be valid it must have an ExtendedKeyUsage extension
 * which has a key purpose identifier of id-kp-timeStamping.
 *
 * @param cert the certificate of interest.
 * @throws TSPValidationException if the certicate fails on one of the check points.
 */
public static void validateCertificate(
    X509CertificateHolder cert)
    throws TSPValidationException
{
    if (cert.toASN1Structure().getVersionNumber() != 3)
    {
        throw new IllegalArgumentException("Certificate must have an ExtendedKeyUsage extension.");
    }

    Extension ext = cert.getExtension(Extension.extendedKeyUsage);
    if (ext == null)
    {
        throw new TSPValidationException("Certificate must have an ExtendedKeyUsage extension.");
    }

    if (!ext.isCritical())
    {
        throw new TSPValidationException("Certificate must have an ExtendedKeyUsage extension marked as critical.");
    }

    ExtendedKeyUsage    extKey = ExtendedKeyUsage.getInstance(ext.getParsedValue());

    if (!extKey.hasKeyPurposeId(KeyPurposeId.id_kp_timeStamping) || extKey.size() != 1)
    {
        throw new TSPValidationException("ExtendedKeyUsage not solely time stamping.");
    }
}
 

import org.bouncycastle.cert.X509CertificateHolder; //導入方法依賴的package包/類
/**
 * Validate the passed in certificate as being of the correct type to be used
 * for time stamping. To be valid it must have an ExtendedKeyUsage extension
 * which has a key purpose identifier of id-kp-timeStamping.
 *
 * @param cert the certificate of interest.
 * @throws TSPValidationException if the certificate fails on one of the check points.
 */
public static void validateCertificate(
    X509CertificateHolder cert)
    throws TSPValidationException
{
    if (cert.toASN1Structure().getVersionNumber() != 3)
    {
        throw new IllegalArgumentException("Certificate must have an ExtendedKeyUsage extension.");
    }

    Extension ext = cert.getExtension(Extension.extendedKeyUsage);
    if (ext == null)
    {
        throw new TSPValidationException("Certificate must have an ExtendedKeyUsage extension.");
    }

    if (!ext.isCritical())
    {
        throw new TSPValidationException("Certificate must have an ExtendedKeyUsage extension marked as critical.");
    }

    ExtendedKeyUsage    extKey = ExtendedKeyUsage.getInstance(ext.getParsedValue());

    if (!extKey.hasKeyPurposeId(KeyPurposeId.id_kp_timeStamping) || extKey.size() != 1)
    {
        throw new TSPValidationException("ExtendedKeyUsage not solely time stamping.");
    }
}
 

import org.bouncycastle.cert.X509CertificateHolder; //導入方法依賴的package包/類
/**
 * Extract email addresses from a certificate
 * 
 * @param cert the X509 certificate holder
 * @return a List of all email addresses found
 * @throws CertificateException
 */
private static List<String> getEmailFromCert(X509CertificateHolder cert)
        throws CertificateException {
    List<String> res = new ArrayList<>();

    X500Name subject = cert.getSubject();
    for (RDN emails : subject.getRDNs(BCStyle.EmailAddress)) {
        for (AttributeTypeAndValue emailAttr: emails.getTypesAndValues()) {
            log.debug("Add email from RDN: " + IETFUtils.valueToString(emailAttr.getValue()));
            res.add(IETFUtils.valueToString(emailAttr.getValue()));
        }
    }

    Extension subjectAlternativeNames = cert
            .getExtension(Extension.subjectAlternativeName);
    if (subjectAlternativeNames != null) {
        for (GeneralName name : GeneralNames.getInstance(
                subjectAlternativeNames.getParsedValue()).getNames()) {
            if (name.getTagNo() == GeneralName.rfc822Name) {
                String email = IETFUtils.valueToString(name.getName());
                log.debug("Add email from subjectAlternativeName: " + email);
                res.add(email);
            }
        }
    }

    return res;
}