Examples with ASN1Sequence org.openecard.bouncycastle.asn1.ASN1Sequence used on opensource projects

Example 1 with ASN1Sequence

use of org.openecard.bouncycastle.asn1.ASN1Sequence in project XobotOS by xamarin.

the class PKIXNameConstraintValidator method unionDN.

private Set unionDN(Set excluded, ASN1Sequence dn) {
    if (excluded.isEmpty()) {
        if (dn == null) {
            return excluded;
        }
        excluded.add(dn);
        return excluded;
    } else {
        Set intersect = new HashSet();
        Iterator it = excluded.iterator();
        while (it.hasNext()) {
            ASN1Sequence subtree = (ASN1Sequence) it.next();
            if (withinDNSubtree(dn, subtree)) {
                intersect.add(subtree);
            } else if (withinDNSubtree(subtree, dn)) {
                intersect.add(dn);
            } else {
                intersect.add(subtree);
                intersect.add(dn);
            }
        }
        return intersect;
    }
}

Example 2 with ASN1Sequence

use of org.openecard.bouncycastle.asn1.ASN1Sequence in project XobotOS by xamarin.

the class PEMUtil method readPEMObject.

ASN1Sequence readPEMObject(InputStream in) throws IOException {
    String line;
    StringBuffer pemBuf = new StringBuffer();
    while ((line = readLine(in)) != null) {
        if (line.startsWith(_header1) || line.startsWith(_header2)) {
            break;
        }
    }
    while ((line = readLine(in)) != null) {
        if (line.startsWith(_footer1) || line.startsWith(_footer2)) {
            break;
        }
        pemBuf.append(line);
    }
    if (pemBuf.length() != 0) {
        DERObject o = new ASN1InputStream(Base64.decode(pemBuf.toString())).readObject();
        if (!(o instanceof ASN1Sequence)) {
            throw new IOException("malformed PEM data encountered");
        }
        return (ASN1Sequence) o;
    }
    return null;
}

Example 3 with ASN1Sequence

use of org.openecard.bouncycastle.asn1.ASN1Sequence in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method wrapupCertB.

protected static int wrapupCertB(CertPath certPath, int index, int explicitPolicy) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (b)
    //
    int tmpInt;
    ASN1Sequence pc = null;
    try {
        pc = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.POLICY_CONSTRAINTS));
    } catch (AnnotatedException e) {
        throw new ExtCertPathValidatorException("Policy constraints could not be decoded.", e, certPath, index);
    }
    if (pc != null) {
        Enumeration policyConstraints = pc.getObjects();
        while (policyConstraints.hasMoreElements()) {
            ASN1TaggedObject constraint = (ASN1TaggedObject) policyConstraints.nextElement();
            switch(constraint.getTagNo()) {
                case 0:
                    try {
                        tmpInt = DERInteger.getInstance(constraint, false).getValue().intValue();
                    } catch (Exception e) {
                        throw new ExtCertPathValidatorException("Policy constraints requireExplicitPolicy field could not be decoded.", e, certPath, index);
                    }
                    if (tmpInt == 0) {
                        return 0;
                    }
                    break;
            }
        }
    }
    return explicitPolicy;
}

Example 4 with ASN1Sequence

use of org.openecard.bouncycastle.asn1.ASN1Sequence in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method processCertBC.

protected static void processCertBC(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    int n = certs.size();
    // i as defined in the algorithm description
    int i = n - index;
    //
    if (!(CertPathValidatorUtilities.isSelfIssued(cert) && (i < n))) {
        X500Principal principal = CertPathValidatorUtilities.getSubjectPrincipal(cert);
        ASN1InputStream aIn = new ASN1InputStream(principal.getEncoded());
        ASN1Sequence dns;
        try {
            dns = DERSequence.getInstance(aIn.readObject());
        } catch (Exception e) {
            throw new CertPathValidatorException("Exception extracting subject name when checking subtrees.", e, certPath, index);
        }
        try {
            nameConstraintValidator.checkPermittedDN(dns);
            nameConstraintValidator.checkExcludedDN(dns);
        } catch (PKIXNameConstraintValidatorException e) {
            throw new CertPathValidatorException("Subtree check for certificate subject failed.", e, certPath, index);
        }
        GeneralNames altName = null;
        try {
            altName = GeneralNames.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME));
        } catch (Exception e) {
            throw new CertPathValidatorException("Subject alternative name extension could not be decoded.", e, certPath, index);
        }
        Vector emails = new X509Name(dns).getValues(X509Name.EmailAddress);
        for (Enumeration e = emails.elements(); e.hasMoreElements(); ) {
            String email = (String) e.nextElement();
            GeneralName emailAsGeneralName = new GeneralName(GeneralName.rfc822Name, email);
            try {
                nameConstraintValidator.checkPermitted(emailAsGeneralName);
                nameConstraintValidator.checkExcluded(emailAsGeneralName);
            } catch (PKIXNameConstraintValidatorException ex) {
                throw new CertPathValidatorException("Subtree check for certificate subject alternative email failed.", ex, certPath, index);
            }
        }
        if (altName != null) {
            GeneralName[] genNames = null;
            try {
                genNames = altName.getNames();
            } catch (Exception e) {
                throw new CertPathValidatorException("Subject alternative name contents could not be decoded.", e, certPath, index);
            }
            for (int j = 0; j < genNames.length; j++) {
                try {
                    nameConstraintValidator.checkPermitted(genNames[j]);
                    nameConstraintValidator.checkExcluded(genNames[j]);
                } catch (PKIXNameConstraintValidatorException e) {
                    throw new CertPathValidatorException("Subtree check for certificate subject alternative name failed.", e, certPath, index);
                }
            }
        }
    }
}

Example 5 with ASN1Sequence

use of org.openecard.bouncycastle.asn1.ASN1Sequence in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method prepareNextCertA.

protected static void prepareNextCertA(CertPath certPath, int index) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    //
    // (a) check the policy mappings
    //
    ASN1Sequence pm = null;
    try {
        pm = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.POLICY_MAPPINGS));
    } catch (AnnotatedException ex) {
        throw new ExtCertPathValidatorException("Policy mappings extension could not be decoded.", ex, certPath, index);
    }
    if (pm != null) {
        ASN1Sequence mappings = pm;
        for (int j = 0; j < mappings.size(); j++) {
            DERObjectIdentifier issuerDomainPolicy = null;
            DERObjectIdentifier subjectDomainPolicy = null;
            try {
                ASN1Sequence mapping = DERSequence.getInstance(mappings.getObjectAt(j));
                issuerDomainPolicy = DERObjectIdentifier.getInstance(mapping.getObjectAt(0));
                subjectDomainPolicy = DERObjectIdentifier.getInstance(mapping.getObjectAt(1));
            } catch (Exception e) {
                throw new ExtCertPathValidatorException("Policy mappings extension contents could not be decoded.", e, certPath, index);
            }
            if (RFC3280CertPathUtilities.ANY_POLICY.equals(issuerDomainPolicy.getId())) {
                throw new CertPathValidatorException("IssuerDomainPolicy is anyPolicy", null, certPath, index);
            }
            if (RFC3280CertPathUtilities.ANY_POLICY.equals(subjectDomainPolicy.getId())) {
                throw new CertPathValidatorException("SubjectDomainPolicy is anyPolicy,", null, certPath, index);
            }
        }
    }
}