Examples with ASN1InputStream com.github.zhenwei.core.asn1.ASN1InputStream used on opensource projects

Example 96 with ASN1InputStream

use of com.github.zhenwei.core.asn1.ASN1InputStream in project LinLong-Java by zhenwei1108.

the class X509AttrCertParser method readDERCertificate.

private X509AttributeCertificate readDERCertificate(InputStream in) throws IOException {
    ASN1InputStream dIn = new ASN1InputStream(in);
    ASN1Sequence seq = ASN1Sequence.getInstance(dIn.readObject());
    if (seq.size() > 1 && seq.getObjectAt(0) instanceof ASN1ObjectIdentifier) {
        if (seq.getObjectAt(0).equals(PKCSObjectIdentifiers.signedData)) {
            sData = new SignedData(ASN1Sequence.getInstance((ASN1TaggedObject) seq.getObjectAt(1), true)).getCertificates();
            return getCertificate();
        }
    }
    return new X509V2AttributeCertificate(seq.getEncoded());
}

Example 97 with ASN1InputStream

use of com.github.zhenwei.core.asn1.ASN1InputStream in project LinLong-Java by zhenwei1108.

the class CertificateFactory method doGenerateCRL.

/**
 * Generates a certificate revocation list (CRL) object and initializes it with the data read from
 * the input stream inStream.
 */
private CRL doGenerateCRL(InputStream in, boolean isFirst) throws CRLException {
    if (currentCrlStream == null) {
        currentCrlStream = in;
        sCrlData = null;
        sCrlDataObjectCount = 0;
    } else if (// reset if input stream has changed
    currentCrlStream != in) {
        currentCrlStream = in;
        sCrlData = null;
        sCrlDataObjectCount = 0;
    }
    try {
        if (sCrlData != null) {
            if (sCrlDataObjectCount != sCrlData.size()) {
                return getCRL();
            } else {
                sCrlData = null;
                sCrlDataObjectCount = 0;
                return null;
            }
        }
        InputStream pis;
        if (in.markSupported()) {
            pis = in;
        } else {
            pis = new ByteArrayInputStream(Streams.readAll(in));
        }
        pis.mark(1);
        int tag = pis.read();
        if (tag == -1) {
            return null;
        }
        pis.reset();
        if (// assume ascii PEM encoded.
        tag != 0x30) {
            return readPEMCRL(pis, isFirst);
        } else {
            // lazy evaluate to help processing of large CRLs
            return readDERCRL(new ASN1InputStream(pis, true));
        }
    } catch (CRLException e) {
        throw e;
    } catch (Exception e) {
        throw new CRLException(e.toString());
    }
}

Example 98 with ASN1InputStream

use of com.github.zhenwei.core.asn1.ASN1InputStream in project LinLong-Java by zhenwei1108.

the class X509AttributeCertStoreSelector method match.

/**
 * Decides if the given attribute certificate should be selected.
 *
 * @param obj The attribute certificate which should be checked.
 * @return <code>true</code> if the attribute certificate can be selected,
 * <code>false</code> otherwise.
 */
public boolean match(Object obj) {
    if (!(obj instanceof X509AttributeCertificate)) {
        return false;
    }
    X509AttributeCertificate attrCert = (X509AttributeCertificate) obj;
    if (this.attributeCert != null) {
        if (!this.attributeCert.equals(attrCert)) {
            return false;
        }
    }
    if (serialNumber != null) {
        if (!attrCert.getSerialNumber().equals(serialNumber)) {
            return false;
        }
    }
    if (holder != null) {
        if (!attrCert.getHolder().equals(holder)) {
            return false;
        }
    }
    if (issuer != null) {
        if (!attrCert.getIssuer().equals(issuer)) {
            return false;
        }
    }
    if (attributeCertificateValid != null) {
        try {
            attrCert.checkValidity(attributeCertificateValid);
        } catch (CertificateExpiredException e) {
            return false;
        } catch (CertificateNotYetValidException e) {
            return false;
        }
    }
    if (!targetNames.isEmpty() || !targetGroups.isEmpty()) {
        byte[] targetInfoExt = attrCert.getExtensionValue(Extension.targetInformation.getId());
        if (targetInfoExt != null) {
            TargetInformation targetinfo;
            try {
                targetinfo = TargetInformation.getInstance(new ASN1InputStream(((DEROctetString) DEROctetString.fromByteArray(targetInfoExt)).getOctets()).readObject());
            } catch (IOException e) {
                return false;
            } catch (IllegalArgumentException e) {
                return false;
            }
            Targets[] targetss = targetinfo.getTargetsObjects();
            if (!targetNames.isEmpty()) {
                boolean found = false;
                for (int i = 0; i < targetss.length; i++) {
                    Targets t = targetss[i];
                    Target[] targets = t.getTargets();
                    for (int j = 0; j < targets.length; j++) {
                        if (targetNames.contains(GeneralName.getInstance(targets[j].getTargetName()))) {
                            found = true;
                            break;
                        }
                    }
                }
                if (!found) {
                    return false;
                }
            }
            if (!targetGroups.isEmpty()) {
                boolean found = false;
                for (int i = 0; i < targetss.length; i++) {
                    Targets t = targetss[i];
                    Target[] targets = t.getTargets();
                    for (int j = 0; j < targets.length; j++) {
                        if (targetGroups.contains(GeneralName.getInstance(targets[j].getTargetGroup()))) {
                            found = true;
                            break;
                        }
                    }
                }
                if (!found) {
                    return false;
                }
            }
        }
    }
    return true;
}

Example 99 with ASN1InputStream

use of com.github.zhenwei.core.asn1.ASN1InputStream in project LinLong-Java by zhenwei1108.

the class X509CertificatePair method getEncoded.

public byte[] getEncoded() throws CertificateEncodingException {
    Certificate f = null;
    Certificate r = null;
    try {
        if (forward != null) {
            f = Certificate.getInstance(new ASN1InputStream(forward.getEncoded()).readObject());
            if (f == null) {
                throw new CertificateEncodingException("unable to get encoding for forward");
            }
        }
        if (reverse != null) {
            r = Certificate.getInstance(new ASN1InputStream(reverse.getEncoded()).readObject());
            if (r == null) {
                throw new CertificateEncodingException("unable to get encoding for reverse");
            }
        }
        return new CertificatePair(f, r).getEncoded(ASN1Encoding.DER);
    } catch (IllegalArgumentException e) {
        throw new ExtCertificateEncodingException(e.toString(), e);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException(e.toString(), e);
    }
}

Example 100 with ASN1InputStream

use of com.github.zhenwei.core.asn1.ASN1InputStream in project LinLong-Java by zhenwei1108.

the class NetscapeCertRequest method getKeySpec.

private ASN1Primitive getKeySpec() throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchProviderException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ASN1Primitive obj = null;
    try {
        baos.write(pubkey.getEncoded());
        baos.close();
        ASN1InputStream derin = new ASN1InputStream(new ByteArrayInputStream(baos.toByteArray()));
        obj = derin.readObject();
    } catch (IOException ioe) {
        throw new InvalidKeySpecException(ioe.getMessage());
    }
    return obj;
}