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

Example 6 with BitArray

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

the class IPAddressName method parseIPv6.

private void parseIPv6(String name) throws IOException {
    int slashNdx = name.indexOf('/');
    if (slashNdx == -1) {
        address = InetAddress.getByName(name).getAddress();
    } else {
        address = new byte[32];
        byte[] base = InetAddress.getByName(name.substring(0, slashNdx)).getAddress();
        System.arraycopy(base, 0, address, 0, 16);
        // append a mask corresponding to the num of prefix bits specified
        int prefixLen = Integer.parseInt(name.substring(slashNdx + 1));
        if (prefixLen < 0 || prefixLen > 128) {
            throw new IOException("IPv6Address prefix length (" + prefixLen + ") in out of valid range [0,128]");
        }
        // create new bit array initialized to zeros
        BitArray bitArray = new BitArray(MASKSIZE * 8);
        // set all most significant bits up to prefix length
        for (int i = 0; i < prefixLen; i++) bitArray.set(i, true);
        byte[] maskArray = bitArray.toByteArray();
        // copy mask bytes into mask portion of address
        for (int i = 0; i < MASKSIZE; i++) address[MASKSIZE + i] = maskArray[i];
    }
}

Example 7 with BitArray

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

the class DistributionPoint method encode.

/**
 * Write the DistributionPoint value to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on error.
 */
public void encode(DerOutputStream out) throws IOException {
    DerOutputStream tagged = new DerOutputStream();
    // NOTE: only one of pointNames and pointRDN can be set
    if ((fullName != null) || (relativeName != null)) {
        DerOutputStream distributionPoint = new DerOutputStream();
        if (fullName != null) {
            DerOutputStream derOut = new DerOutputStream();
            fullName.encode(derOut);
            distributionPoint.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FULL_NAME), derOut);
        } else if (relativeName != null) {
            DerOutputStream derOut = new DerOutputStream();
            relativeName.encode(derOut);
            distributionPoint.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_REL_NAME), derOut);
        }
        tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_DIST_PT), distributionPoint);
    }
    if (reasonFlags != null) {
        DerOutputStream reasons = new DerOutputStream();
        BitArray rf = new BitArray(reasonFlags);
        reasons.putTruncatedUnalignedBitString(rf);
        tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, false, TAG_REASONS), reasons);
    }
    if (crlIssuer != null) {
        DerOutputStream issuer = new DerOutputStream();
        crlIssuer.encode(issuer);
        tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_ISSUER), issuer);
    }
    out.write(DerValue.tag_Sequence, tagged);
}

Example 8 with BitArray

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

the class IPAddressName method getName.

/**
 * Return a standard String representation of IPAddress.
 * See IPAddressName(String) for the formats used for IPv4
 * and IPv6 addresses.
 *
 * @throws IOException if the IPAddress cannot be converted to a String
 */
public String getName() throws IOException {
    if (name != null)
        return name;
    if (isIPv4) {
        // IPv4 address or subdomain
        byte[] host = new byte[4];
        System.arraycopy(address, 0, host, 0, 4);
        name = InetAddress.getByAddress(host).getHostAddress();
        if (address.length == 8) {
            byte[] mask = new byte[4];
            System.arraycopy(address, 4, mask, 0, 4);
            name = name + "/" + InetAddress.getByAddress(mask).getHostAddress();
        }
    } else {
        // IPv6 address or subdomain
        byte[] host = new byte[16];
        System.arraycopy(address, 0, host, 0, 16);
        name = InetAddress.getByAddress(host).getHostAddress();
        if (address.length == 32) {
            // IPv6 subdomain: display prefix length
            // copy subdomain into new array and convert to BitArray
            byte[] maskBytes = new byte[16];
            for (int i = 16; i < 32; i++) maskBytes[i - 16] = address[i];
            BitArray ba = new BitArray(16 * 8, maskBytes);
            // Find first zero bit
            int i = 0;
            for (; i < 16 * 8; i++) {
                if (!ba.get(i))
                    break;
            }
            name = name + "/" + i;
            // Verify remaining bits 0
            for (; i < 16 * 8; i++) {
                if (ba.get(i)) {
                    throw new IOException("Invalid IPv6 subdomain - set " + "bit " + i + " not contiguous");
                }
            }
        }
    }
    return name;
}

Example 9 with BitArray

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

the class DistributionPoint method encode.

/**
 * Write the DistributionPoint value to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on error.
 */
public void encode(DerOutputStream out) throws IOException {
    DerOutputStream tagged = new DerOutputStream();
    // NOTE: only one of pointNames and pointRDN can be set
    if ((fullName != null) || (relativeName != null)) {
        DerOutputStream distributionPoint = new DerOutputStream();
        if (fullName != null) {
            DerOutputStream derOut = new DerOutputStream();
            fullName.encode(derOut);
            distributionPoint.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FULL_NAME), derOut);
        } else if (relativeName != null) {
            DerOutputStream derOut = new DerOutputStream();
            relativeName.encode(derOut);
            distributionPoint.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_REL_NAME), derOut);
        }
        tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_DIST_PT), distributionPoint);
    }
    if (reasonFlags != null) {
        DerOutputStream reasons = new DerOutputStream();
        BitArray rf = new BitArray(reasonFlags);
        reasons.putTruncatedUnalignedBitString(rf);
        tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, false, TAG_REASONS), reasons);
    }
    if (crlIssuer != null) {
        DerOutputStream issuer = new DerOutputStream();
        crlIssuer.encode(issuer);
        tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_ISSUER), issuer);
    }
    out.write(DerValue.tag_Sequence, tagged);
}

Example 10 with BitArray

use of sun.security.util.BitArray in project OpenAM by OpenRock.

the class DerInputBuffer method getUnalignedBitString.

/**
     * Returns the bit string which takes up the rest of this buffer. The bit
     * string need not be byte-aligned.
     */
BitArray getUnalignedBitString() {
    if (pos >= count)
        return null;
    /*
         * Just copy the data into an aligned, padded octet buffer, and consume
         * the rest of the buffer.
         */
    int len = available();
    byte[] bits = new byte[len - 1];
    // number of valid bits
    int length = bits.length * 8 - buf[pos];
    System.arraycopy(buf, pos + 1, bits, 0, len - 1);
    BitArray bitArray = new BitArray(length, bits);
    pos = count;
    return bitArray;
}