Examples with DerValue sun.security.util.DerValue used on opensource projects

Example 71 with DerValue

use of sun.security.util.DerValue in project Bytecoder by mirkosertic.

the class ResponderId method keyIdToBytes.

/**
 * Convert the responderKeyId data member into its DER-encoded form
 *
 * @return the DER encoding for a responder ID byKey option, including
 *      explicit context-specific tagging.
 *
 * @throws IOException if any encoding error occurs
 */
private byte[] keyIdToBytes() throws IOException {
    // Place the KeyIdentifier bytes into an OCTET STRING
    DerValue inner = new DerValue(DerValue.tag_OctetString, responderKeyId.getIdentifier());
    // Mark the OCTET STRING-wrapped KeyIdentifier bytes
    // as EXPLICIT CONTEXT 2
    DerValue outer = new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) Type.BY_KEY.value()), inner.toByteArray());
    return outer.toByteArray();
}

Example 72 with DerValue

use of sun.security.util.DerValue in project dbeaver by serge-rider.

the class PKCS1Util method loadPrivateKeyFromPKCS1.

public static PrivateKey loadPrivateKeyFromPKCS1(String privateKeyPem) throws GeneralSecurityException, IOException {
    DerInputStream derReader = new DerInputStream(Base64.decode(privateKeyPem));
    DerValue[] seq = derReader.getSequence(0);
    if (seq.length < 9) {
        throw new GeneralSecurityException("Could not parse a PKCS1 private key.");
    }
    // skip version seq[0];
    BigInteger modulus = seq[1].getBigInteger();
    BigInteger publicExp = seq[2].getBigInteger();
    BigInteger privateExp = seq[3].getBigInteger();
    BigInteger prime1 = seq[4].getBigInteger();
    BigInteger prime2 = seq[5].getBigInteger();
    BigInteger exp1 = seq[6].getBigInteger();
    BigInteger exp2 = seq[7].getBigInteger();
    BigInteger crtCoef = seq[8].getBigInteger();
    RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(modulus, publicExp, privateExp, prime1, prime2, exp1, exp2, crtCoef);
    KeyFactory factory = KeyFactory.getInstance("RSA");
    return factory.generatePrivate(keySpec);
}

Example 73 with DerValue

use of sun.security.util.DerValue in project j2objc by google.

the class ESSCertId method parse.

public void parse(byte[] bytes) throws IOException {
    // Parse signingCertificate
    DerValue derValue = new DerValue(bytes);
    if (derValue.tag != DerValue.tag_Sequence) {
        throw new IOException("Bad encoding for signingCertificate");
    }
    // Parse certs
    DerValue[] certs = derValue.data.getSequence(1);
    certId = new ESSCertId[certs.length];
    for (int i = 0; i < certs.length; i++) {
        certId[i] = new ESSCertId(certs[i]);
    }
    // Parse policies, if present
    if (derValue.data.available() > 0) {
        DerValue[] policies = derValue.data.getSequence(1);
        for (int i = 0; i < policies.length; i++) {
        // parse PolicyInformation
        }
    }
}

Example 74 with DerValue

use of sun.security.util.DerValue in project j2objc by google.

the class PKCS9Attributes method decode.

/**
 * Decode this set of PKCS9 attributes from the contents of its
 * DER encoding. Ignores unsupported attributes when directed.
 *
 * @param in
 * the contents of the DER encoding of the attribute set.
 *
 * @exception IOException
 * on i/o error, encoding syntax error, unacceptable or
 * unsupported attribute, or duplicate attribute.
 */
private byte[] decode(DerInputStream in) throws IOException {
    DerValue val = in.getDerValue();
    // save the DER encoding with its proper tag byte.
    byte[] derEncoding = val.toByteArray();
    derEncoding[0] = DerValue.tag_SetOf;
    DerInputStream derIn = new DerInputStream(derEncoding);
    DerValue[] derVals = derIn.getSet(3, true);
    PKCS9Attribute attrib;
    ObjectIdentifier oid;
    boolean reuseEncoding = true;
    for (int i = 0; i < derVals.length; i++) {
        try {
            attrib = new PKCS9Attribute(derVals[i]);
        } catch (ParsingException e) {
            if (ignoreUnsupportedAttributes) {
                // cannot reuse supplied DER encoding
                reuseEncoding = false;
                // skip
                continue;
            } else {
                throw e;
            }
        }
        oid = attrib.getOID();
        if (attributes.get(oid) != null)
            throw new IOException("Duplicate PKCS9 attribute: " + oid);
        if (permittedAttributes != null && !permittedAttributes.containsKey(oid))
            throw new IOException("Attribute " + oid + " not permitted in this attribute set");
        attributes.put(oid, attrib);
    }
    return reuseEncoding ? derEncoding : generateDerEncoding();
}

Example 75 with DerValue

use of sun.security.util.DerValue in project j2objc by google.

the class X509CertPath method parsePKIPATH.

/**
 * Parse a PKIPATH format CertPath from an InputStream. Return an
 * unmodifiable List of the certificates.
 *
 * @param is the <code>InputStream</code> to read the data from
 * @return an unmodifiable List of the certificates
 * @exception CertificateException if an exception occurs
 */
private static List<X509Certificate> parsePKIPATH(InputStream is) throws CertificateException {
    List<X509Certificate> certList = null;
    CertificateFactory certFac = null;
    if (is == null) {
        throw new CertificateException("input stream is null");
    }
    try {
        DerInputStream dis = new DerInputStream(readAllBytes(is));
        DerValue[] seq = dis.getSequence(3);
        if (seq.length == 0) {
            return Collections.<X509Certificate>emptyList();
        }
        certFac = CertificateFactory.getInstance("X.509");
        certList = new ArrayList<X509Certificate>(seq.length);
        // append certs in reverse order (target to trust anchor)
        for (int i = seq.length - 1; i >= 0; i--) {
            certList.add((X509Certificate) certFac.generateCertificate(new ByteArrayInputStream(seq[i].toByteArray())));
        }
        return Collections.unmodifiableList(certList);
    } catch (IOException ioe) {
        throw new CertificateException("IOException parsing PkiPath data: " + ioe, ioe);
    }
}