Examples with DerInputStream org.mozilla.jss.netscape.security.util.DerInputStream used on opensource projects

Example 11 with DerInputStream

use of org.mozilla.jss.netscape.security.util.DerInputStream in project jss by dogtagpki.

the class CertificateValidity method construct.

// Construct the class from the DerValue
private void construct(DerValue derVal) throws IOException {
    if (derVal.tag != DerValue.tag_Sequence) {
        throw new IOException("Invalid encoded CertificateValidity, " + "starting sequence tag missing.");
    }
    // check if UTCTime encoded or GeneralizedTime
    if (derVal.data.available() == 0)
        throw new IOException("No data encoded for CertificateValidity");
    DerInputStream derIn = new DerInputStream(derVal.toByteArray());
    DerValue[] seq = derIn.getSequence(2);
    if (seq.length != 2)
        throw new IOException("Invalid encoding for CertificateValidity");
    if (seq[0].tag == DerValue.tag_UtcTime) {
        notBefore = derVal.data.getUTCTime();
    } else if (seq[0].tag == DerValue.tag_GeneralizedTime) {
        notBefore = derVal.data.getGeneralizedTime();
    } else {
        throw new IOException("Invalid encoding for CertificateValidity");
    }
    if (seq[1].tag == DerValue.tag_UtcTime) {
        notAfter = derVal.data.getUTCTime();
    } else if (seq[1].tag == DerValue.tag_GeneralizedTime) {
        notAfter = derVal.data.getGeneralizedTime();
    } else {
        throw new IOException("Invalid encoding for CertificateValidity");
    }
}

Example 12 with DerInputStream

use of org.mozilla.jss.netscape.security.util.DerInputStream in project jss by dogtagpki.

the class Extensions method decode.

/**
 * Decode the extensions from the InputStream.
 *
 * @param in the InputStream to unmarshal the contents from.
 * @exception IOException on decoding or validity errors.
 */
@Override
public void decode(InputStream in) throws IOException {
    DerValue val = new DerValue(in);
    DerInputStream str = val.toDerInputStream();
    map = new Hashtable<>();
    DerValue[] exts = str.getSequence(5);
    for (int i = 0; i < exts.length; i++) {
        Extension ext = new Extension(exts[i]);
        parseExtension(ext);
    }
}

Example 13 with DerInputStream

use of org.mozilla.jss.netscape.security.util.DerInputStream in project jss by dogtagpki.

the class AlgorithmId method parse.

/**
 * Parse (unmarshal) an ID from a DER sequence input value. This form
 * parsing might be used when expanding a value which has already been
 * partially unmarshaled as a set or sequence member.
 *
 * @exception IOException on error.
 * @param val the input value, which contains the algid and, if
 *            there are any parameters, those parameters.
 * @return an ID for the algorithm. If the system is configured
 *         appropriately, this may be an instance of a class
 *         with some kind of special support for this algorithm.
 *         In that case, you may "narrow" the type of the ID.
 */
public static AlgorithmId parse(DerValue val) throws IOException {
    if (val.tag != DerValue.tag_Sequence)
        throw new IOException("algid parse error, not a sequence");
    /*
         * Get the algorithm ID and any parameters.
         */
    ObjectIdentifier algid;
    DerValue params;
    DerInputStream in = val.toDerInputStream();
    algid = in.getOID();
    if (in.available() == 0)
        params = null;
    else {
        params = in.getDerValue();
        if (params.tag == DerValue.tag_Null)
            params = null;
    }
    /*
         * Figure out what class (if any) knows about this oid's
         * parameters.  Make one, and give it the data to decode.
         */
    AlgorithmId alg = null;
    // omit parameter field for ECDSA
    if (!algid.equals(sha224WithEC_oid) && !algid.equals(sha256WithEC_oid) && !algid.equals(sha384WithEC_oid) && !algid.equals(sha512WithEC_oid)) {
        alg = new AlgorithmId(algid, params);
    } else {
        try {
            alg = new AlgorithmId(algid);
        } catch (Exception e) {
            throw new IOException(e);
        }
    }
    if (params != null)
        alg.decodeParams();
    /*
         * Set the raw params string in case
         * higher level code might want the info
        */
    String paramStr = null;
    if (params != null) {
        paramStr = params.toString();
    }
    alg.setParametersString(paramStr);
    return alg;
}

Example 14 with DerInputStream

use of org.mozilla.jss.netscape.security.util.DerInputStream in project jss by dogtagpki.

the class PKCS9Attributes method decode.

/**
 * Decode this set of PKCS9 attribute set from the contents of its
 * DER encoding.
 *
 * @param buf
 *            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;
    for (int i = 0; i < derVals.length; i++) {
        attrib = new PKCS9Attribute(derVals[i]);
        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 derEncoding;
}

Example 15 with DerInputStream

use of org.mozilla.jss.netscape.security.util.DerInputStream in project jss by dogtagpki.

the class PresenceServerExtension method decodeThis.

public void decodeThis() throws IOException {
    DerInputStream val = new DerInputStream(this.extensionValue);
    byte[] data = null;
    DerValue[] seq = val.getSequence(0);
    mVersion = seq[0].getInteger().toInt();
    data = null;
    if (seq[1].length() > 0) {
        data = seq[1].getOctetString();
    }
    if (data == null) {
        mStreetAddress = "";
    } else {
        mStreetAddress = new String(data);
    }
    data = null;
    if (seq[2].length() > 0)
        data = seq[2].getOctetString();
    if (data == null) {
        mTelephoneNumber = "";
    } else {
        mTelephoneNumber = new String(data);
    }
    data = null;
    if (seq[3].length() > 0)
        data = seq[3].getOctetString();
    if (data == null) {
        mRFC822Name = "";
    } else {
        mRFC822Name = new String(data);
    }
    data = null;
    if (seq[4].length() > 0)
        data = seq[4].getOctetString();
    if (data == null) {
        mID = "";
    } else {
        mID = new String(data);
    }
    data = null;
    if (seq[5].length() > 0)
        data = seq[5].getOctetString();
    if (data == null) {
        mHostName = "";
    } else {
        mHostName = new String(data);
    }
    mPortNumber = seq[6].getInteger().toInt();
    mMaxUsers = seq[7].getInteger().toInt();
    mServiceLevel = seq[8].getInteger().toInt();
}