Java HexDumpEncoder类代码示例

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
/**
 * Returns a printable representation of the certificate.  This does not
 * contain all the information available to distinguish this from any
 * other certificate.  The certificate must be fully constructed
 * before this function may be called.
 */
public String toString() {
    if (info == null || algId == null || signature == null)
        return "";

    StringBuilder sb = new StringBuilder();

    sb.append("[\n");
    sb.append(info.toString() + "\n");
    sb.append("  Algorithm: [" + algId.toString() + "]\n");

    HexDumpEncoder encoder = new HexDumpEncoder();
    sb.append("  Signature:\n" + encoder.encodeBuffer(signature));
    sb.append("\n]");

    return sb.toString();
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
private int readFully(InputStream s, byte b[], int off, int len)
        throws IOException {
    int n = 0;
    while (n < len) {
        int readLen = s.read(b, off + n, len - n);
        if (readLen < 0) {
            return readLen;
        }

        if (debug != null && Debug.isOn("packet")) {
            try {
                HexDumpEncoder hd = new HexDumpEncoder();
                ByteBuffer bb = ByteBuffer.wrap(b, off + n, readLen);

                System.out.println("[Raw read]: length = " +
                    bb.remaining());
                hd.encodeBuffer(bb, System.out);
            } catch (IOException e) { }
        }

        n += readLen;
        exlen += readLen;
    }

    return n;
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
void writeBuffer(OutputStream s, byte [] buf, int off, int len,
        int debugOffset) throws IOException {
    s.write(buf, off, len);
    s.flush();

    // Output only the record from the specified debug offset.
    if (debug != null && Debug.isOn("packet")) {
        try {
            HexDumpEncoder hd = new HexDumpEncoder();

            System.out.println("[Raw write]: length = " +
                                                (len - debugOffset));
            hd.encodeBuffer(new ByteArrayInputStream(buf,
                off + debugOffset, len - debugOffset), System.out);
        } catch (IOException e) { }
    }
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
private void dumpPacket(EngineArgs ea, boolean hsData) {
    try {
        HexDumpEncoder hd = new HexDumpEncoder();

        ByteBuffer bb = ea.netData.duplicate();

        int pos = bb.position();
        bb.position(pos - ea.deltaNet());
        bb.limit(pos);

        System.out.println("[Raw write" +
            (hsData ? "" : " (bb)") + "]: length = " +
            bb.remaining());
        hd.encodeBuffer(bb, System.out);
    } catch (IOException e) { }
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
public String toString() {
    HexDumpEncoder hexDump = new HexDumpEncoder();

    String out = "";

    out += "Signer Info for (issuer): " + issuerName + "\n";
    out += "\tversion: " + Debug.toHexString(version) + "\n";
    out += "\tcertificateSerialNumber: " +
           Debug.toHexString(certificateSerialNumber) + "\n";
    out += "\tdigestAlgorithmId: " + digestAlgorithmId + "\n";
    if (authenticatedAttributes != null) {
        out += "\tauthenticatedAttributes: " + authenticatedAttributes +
               "\n";
    }
    out += "\tdigestEncryptionAlgorithmId: " + digestEncryptionAlgorithmId +
        "\n";

    out += "\tencryptedDigest: " + "\n" +
        hexDump.encodeBuffer(encryptedDigest) + "\n";
    if (unauthenticatedAttributes != null) {
        out += "\tunauthenticatedAttributes: " +
               unauthenticatedAttributes + "\n";
    }
    return out;
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
/**
 * Encode the CertId using ASN.1 DER.
 * The hash algorithm used is SHA-1.
 */
public void encode(DerOutputStream out) throws IOException {

    DerOutputStream tmp = new DerOutputStream();
    hashAlgId.encode(tmp);
    tmp.putOctetString(issuerNameHash);
    tmp.putOctetString(issuerKeyHash);
    certSerialNumber.encode(tmp);
    out.write(DerValue.tag_Sequence, tmp);

    if (debug) {
        HexDumpEncoder encoder = new HexDumpEncoder();
        System.out.println("Encoded certId is " +
            encoder.encode(out.toByteArray()));
    }
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
public static void dumpBER(OutputStream outStream, String tag, byte[] bytes,
    int from, int to) {

    try {
        outStream.write('\n');
        outStream.write(tag.getBytes("UTF8"));

        new HexDumpEncoder().encodeBuffer(
            new ByteArrayInputStream(bytes, from, to),
            outStream);

        outStream.write('\n');
    } catch (IOException e) {
        try {
            outStream.write(
                "Ber.dumpBER(): error encountered\n".getBytes("UTF8"));
        } catch (IOException e2) {
            // ignore
        }
    }
}
 

import sun.misc.HexDumpEncoder; //导入依赖的package包/类
public CertId(X500Principal issuerName, PublicKey issuerKey,
              SerialNumber serialNumber) throws IOException {

    // compute issuerNameHash
    MessageDigest md = null;
    try {
        md = MessageDigest.getInstance("SHA1");
    } catch (NoSuchAlgorithmException nsae) {
        throw new IOException("Unable to create CertId", nsae);
    }
    hashAlgId = SHA1_ALGID;
    md.update(issuerName.getEncoded());
    issuerNameHash = md.digest();

    // compute issuerKeyHash (remove the tag and length)
    byte[] pubKey = issuerKey.getEncoded();
    DerValue val = new DerValue(pubKey);
    DerValue[] seq = new DerValue[2];
    seq[0] = val.data.getDerValue(); // AlgorithmID
    seq[1] = val.data.getDerValue(); // Key
    byte[] keyBytes = seq[1].getBitString();
    md.update(keyBytes);
    issuerKeyHash = md.digest();
    certSerialNumber = serialNumber;

    if (debug) {
        HexDumpEncoder encoder = new HexDumpEncoder();
        System.out.println("Issuer Name is " + issuerName);
        System.out.println("issuerNameHash is " +
            encoder.encodeBuffer(issuerNameHash));
        System.out.println("issuerKeyHash is " +
            encoder.encodeBuffer(issuerKeyHash));
        System.out.println("SerialNumber is " + serialNumber.getNumber());
    }
}