Example usage for org.bouncycastle.asn1 DERSequence DERSequence

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 DERSequence DERSequence.

Prototype

public DERSequence(ASN1Encodable[] elements)

Source Link

Document

Create a sequence containing an array of objects.

Usage

From source file:net.ripe.rpki.commons.provisioning.x509.pkcs10.RpkiCaCertificateRequestBuilder.java

License:BSD License

private Extensions createExtensions() throws IOException {
    // Make extension for SIA in request. See here:
    // http://www.bouncycastle.org/wiki/display/JA1/X.509+Public+Key+Certificate+and+Certification+Request+Generation
    List<Extension> extensions = new ArrayList<Extension>();

    X509CertificateInformationAccessDescriptor[] descriptors = new X509CertificateInformationAccessDescriptor[] {
            new X509CertificateInformationAccessDescriptor(
                    X509CertificateInformationAccessDescriptor.ID_AD_CA_REPOSITORY, caRepositoryUri),
            new X509CertificateInformationAccessDescriptor(
                    X509CertificateInformationAccessDescriptor.ID_AD_RPKI_MANIFEST, manifestUri), };
    AccessDescription[] subjectInformationAccess = X509CertificateInformationAccessDescriptor
            .convertAccessDescriptors(descriptors);
    DERSequence derSequence = new DERSequence(subjectInformationAccess);

    extensions.add(//w w  w  . j av a  2 s.  c o  m
            new Extension(Extension.subjectInfoAccess, false, new DEROctetString(derSequence.getEncoded())));
    KeyUsage keyUsage = new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign);
    extensions.add(new Extension(Extension.keyUsage, true, new DEROctetString(keyUsage)));

    extensions.add(
            new Extension(Extension.basicConstraints, true, new DEROctetString(new BasicConstraints(true))));

    return new Extensions(extensions.toArray(new Extension[extensions.size()]));
}

From source file:net.schmizz.sshj.signature.SignatureDSA.java

License:Apache License

/**
 * Encodes the signature as a DER sequence (ASN.1 format).
 *///from w  ww  .  j  a  va2s. c  o  m
private byte[] asnEncode(byte[] sigBlob) throws IOException {
    byte[] r = new BigInteger(1, Arrays.copyOfRange(sigBlob, 0, 20)).toByteArray();
    byte[] s = new BigInteger(1, Arrays.copyOfRange(sigBlob, 20, 40)).toByteArray();

    ASN1EncodableVector vector = new ASN1EncodableVector();
    vector.add(new ASN1Integer(r));
    vector.add(new ASN1Integer(s));

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ASN1OutputStream asnOS = new ASN1OutputStream(baos);

    asnOS.writeObject(new DERSequence(vector));
    asnOS.flush();

    return baos.toByteArray();
}

From source file:net.schmizz.sshj.signature.SignatureECDSA.java

License:Apache License

/**
 * Encodes the signature as a DER sequence (ASN.1 format).
 *///from  www.j  av  a2 s  . c  o  m
private byte[] asnEncode(byte[] sigBlob) throws IOException {
    Buffer.PlainBuffer sigbuf = new Buffer.PlainBuffer(sigBlob);
    byte[] r = sigbuf.readBytes();
    byte[] s = sigbuf.readBytes();

    ASN1EncodableVector vector = new ASN1EncodableVector();
    vector.add(new ASN1Integer(r));
    vector.add(new ASN1Integer(s));

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ASN1OutputStream asnOS = new ASN1OutputStream(baos);

    asnOS.writeObject(new DERSequence(vector));
    asnOS.flush();

    return baos.toByteArray();
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private byte[] encodeRsaPublicKeyAsBitString(RSAPublicKey rsaPublicKey) throws SpkacException {
    try {//w  ww .j  a  v a  2  s  . c  om
        ASN1EncodableVector vec = new ASN1EncodableVector();
        vec.add(new ASN1Integer(rsaPublicKey.getModulus()));
        vec.add(new ASN1Integer(rsaPublicKey.getPublicExponent()));
        DERSequence derSequence = new DERSequence(vec);
        return derSequence.getEncoded(ASN1Encoding.DER);
    } catch (Exception ex) {
        throw new SpkacException(res.getString("NoEncodeRsaPublicKey.exception.message"), ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private ASN1Sequence createSignedPublicKeyAndChallenge() throws SpkacException {
    ASN1EncodableVector vec = new ASN1EncodableVector();
    vec.add(new ASN1ObjectIdentifier(getSignatureAlgorithm().oid()));
    vec.add(DERNull.INSTANCE);/*from  w w w.  j av a 2 s .  c o m*/
    DERSequence signatureAlgorithm = new DERSequence(vec);

    vec = new ASN1EncodableVector();
    vec.add(createPublicKeyAndChallenge());
    vec.add(signatureAlgorithm);
    vec.add(new DERBitString(signature));

    return new DERSequence(vec);
}

From source file:net.sf.keystore_explorer.crypto.csr.spkac.Spkac.java

License:Open Source License

private ASN1Sequence createPublicKeyAndChallenge() throws SpkacException {
    ASN1EncodableVector publicKeyAlgorithm = new ASN1EncodableVector();
    publicKeyAlgorithm.add(new ASN1ObjectIdentifier(getPublicKeyAlg().oid()));

    if (getPublicKey() instanceof RSAPublicKey) {
        publicKeyAlgorithm.add(DERNull.INSTANCE);
    } else {//from  w  w w. j a v a 2 s .co  m
        DSAParams dsaParams = ((DSAPublicKey) getPublicKey()).getParams();

        ASN1EncodableVector dssParams = new ASN1EncodableVector();
        dssParams.add(new ASN1Integer(dsaParams.getP()));
        dssParams.add(new ASN1Integer(dsaParams.getQ()));
        dssParams.add(new ASN1Integer(dsaParams.getG()));

        publicKeyAlgorithm.add(new DERSequence(dssParams));
    }

    ASN1EncodableVector spki = new ASN1EncodableVector();
    spki.add(new DERSequence(publicKeyAlgorithm));
    spki.add(encodePublicKeyAsBitString(getPublicKey()));

    ASN1EncodableVector publicKeyAndChallenge = new ASN1EncodableVector();
    publicKeyAndChallenge.add(new DERSequence(spki));
    publicKeyAndChallenge.add(new DERIA5String(getChallenge()));
    return new DERSequence(publicKeyAndChallenge);
}

From source file:net.sf.keystore_explorer.crypto.privatekey.OpenSslPvkUtil.java

License:Open Source License

/**
 * OpenSSL encode a private key./* w  w w .  jav a2s .  com*/
 *
 * @return The encoding
 * @param privateKey
 *            The private key
 * @throws CryptoException
 *             Problem encountered while getting the encoded private key
 */
public static byte[] get(PrivateKey privateKey) throws CryptoException {
    // DER encoding for each key type is a sequence
    ASN1EncodableVector vec = new ASN1EncodableVector();

    if (privateKey instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaPrivateKey = (RSAPrivateCrtKey) privateKey;

        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(rsaPrivateKey.getModulus()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPublicExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrivateExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getCrtCoefficient()));
    } else {
        DSAPrivateKey dsaPrivateKey = (DSAPrivateKey) privateKey;
        DSAParams dsaParams = dsaPrivateKey.getParams();

        BigInteger primeModulusP = dsaParams.getP();
        BigInteger primeQ = dsaParams.getQ();
        BigInteger generatorG = dsaParams.getG();
        BigInteger secretExponentX = dsaPrivateKey.getX();

        // Derive public key from private key parts, ie Y = G^X mod P
        BigInteger publicExponentY = generatorG.modPow(secretExponentX, primeModulusP);

        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(primeModulusP));
        vec.add(new ASN1Integer(primeQ));
        vec.add(new ASN1Integer(generatorG));
        vec.add(new ASN1Integer(publicExponentY));
        vec.add(new ASN1Integer(secretExponentX));
    }
    DERSequence derSequence = new DERSequence(vec);

    try {
        return derSequence.getEncoded();
    } catch (IOException ex) {
        throw new CryptoException(res.getString("NoDerEncodeOpenSslPrivateKey.exception.message"), ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.publickey.KeyIdentifierGenerator.java

License:Open Source License

private byte[] encodeRsaPublicKeyAsBitString(RSAPublicKey rsaPublicKey) throws IOException {
    ASN1EncodableVector vec = new ASN1EncodableVector();
    vec.add(new ASN1Integer(rsaPublicKey.getModulus()));
    vec.add(new ASN1Integer(rsaPublicKey.getPublicExponent()));

    DERSequence derSequence = new DERSequence(vec);
    return derSequence.getEncoded();
}

From source file:net.sf.keystore_explorer.crypto.x509.CRLDistributionPoints.java

License:Open Source License

@Override
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    Iterator<DistributionPoint> it = distributionPointList.iterator();
    while (it.hasNext()) {
        v.add(it.next().toASN1Primitive());
    }//from  w  ww  . j  a v a 2 s.c o  m
    return new DERSequence(v);
}

From source file:net.sf.keystore_explorer.crypto.x509.GeneralSubtrees.java

License:Open Source License

@Override
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector vec = new ASN1EncodableVector();
    for (int i = 0; i < subtrees.size(); i++) {
        vec.add(subtrees.get(i));/*from  ww w.j  a v  a 2  s. c om*/
    }
    return new DERSequence(vec);
}