Example usage for java.security MessageDigest update

Introduction

In this page you can find the example usage for java.security MessageDigest update.

Prototype

public final void update(ByteBuffer input) 

Source Link

Document

Update the digest using the specified ByteBuffer.

Usage

From source file:core.Hash.java

/**
 * @param args the command line arguments
 */// ww w . j ava2 s  .  c o  m
public static void main(String[] args) {

    MessageDigest md = null;
    String password = "password D:";
    try {

        //SHA-512
        md = MessageDigest.getInstance("SHA-512");
        md.update(password.getBytes());
        byte[] mb = md.digest();
        System.out.println(Hex.encodeHex(mb));
        //SHA-1
        md = MessageDigest.getInstance("SHA-1");
        md.update(password.getBytes());
        mb = md.digest();
        System.out.println(Hex.encodeHex(mb));
        //MD5
        md = MessageDigest.getInstance("MD5");
        md.update(password.getBytes());
        mb = md.digest();
        System.out.println(Hex.encodeHex(mb));

    } catch (NoSuchAlgorithmException e) {
        //Error
    }
}

---

From source file:MD5.java

public static void main(String[] args) {

    //String password = args[0];
    String password = "test";

    MessageDigest digest = null;

    try {// ww w .  j  a  v a  2 s .co  m
        digest = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    try {
        digest.update(password.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException ex) {
        ex.printStackTrace();
    }

    byte[] rawData = digest.digest();
    StringBuffer printable = new StringBuffer();

    for (int i = 0; i < rawData.length; i++) {
        printable.append(carr[((rawData[i] & 0xF0) >> 4)]);
        printable.append(carr[(rawData[i] & 0x0F)]);
    }
    String phpbbPassword = printable.toString();

    System.out.println("PHPBB           : " + phpbbPassword);
    System.out.println("MVNFORUM        : " + getMD5_Base64(password));
    System.out.println("PHPBB->MVNFORUM : " + getBase64FromHEX(phpbbPassword));
}

---

From source file:net.sf.jsignpdf.InstallCert.java

/**
 * The main - whole logic of Install Cert Tool.
 * //from   w  ww . j av a  2s  .co m
 * @param args
 * @throws Exception
 */
public static void main(String[] args) {
    String host;
    int port;
    char[] passphrase;

    System.out.println("InstallCert - Install CA certificate to Java Keystore");
    System.out.println("=====================================================");

    final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

    try {
        if ((args.length == 1) || (args.length == 2)) {
            String[] c = args[0].split(":");
            host = c[0];
            port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);
            String p = (args.length == 1) ? "changeit" : args[1];
            passphrase = p.toCharArray();
        } else {
            String tmpStr;
            do {
                System.out.print("Enter hostname or IP address: ");
                tmpStr = StringUtils.defaultIfEmpty(reader.readLine(), null);
            } while (tmpStr == null);
            host = tmpStr;
            System.out.print("Enter port number [443]: ");
            tmpStr = StringUtils.defaultIfEmpty(reader.readLine(), null);
            port = tmpStr == null ? 443 : Integer.parseInt(tmpStr);
            System.out.print("Enter keystore password [changeit]: ");
            tmpStr = reader.readLine();
            String p = "".equals(tmpStr) ? "changeit" : tmpStr;
            passphrase = p.toCharArray();
        }

        char SEP = File.separatorChar;
        final File dir = new File(System.getProperty("java.home") + SEP + "lib" + SEP + "security");
        final File file = new File(dir, "cacerts");

        System.out.println("Loading KeyStore " + file + "...");
        InputStream in = new FileInputStream(file);
        KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
        ks.load(in, passphrase);
        in.close();

        SSLContext context = SSLContext.getInstance("TLS");
        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        tmf.init(ks);
        X509TrustManager defaultTrustManager = (X509TrustManager) tmf.getTrustManagers()[0];
        SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);
        context.init(null, new TrustManager[] { tm }, null);
        SSLSocketFactory factory = context.getSocketFactory();

        System.out.println("Opening connection to " + host + ":" + port + "...");
        SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
        socket.setSoTimeout(10000);
        try {
            System.out.println("Starting SSL handshake...");
            socket.startHandshake();
            socket.close();
            System.out.println();
            System.out.println("No errors, certificate is already trusted");
        } catch (SSLException e) {
            System.out.println();
            System.out.println("Certificate is not yet trusted.");
            //        e.printStackTrace(System.out);
        }

        X509Certificate[] chain = tm.chain;
        if (chain == null) {
            System.out.println("Could not obtain server certificate chain");
            return;
        }

        System.out.println();
        System.out.println("Server sent " + chain.length + " certificate(s):");
        System.out.println();
        MessageDigest sha1 = MessageDigest.getInstance("SHA1");
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        for (int i = 0; i < chain.length; i++) {
            X509Certificate cert = chain[i];
            System.out.println(" " + (i + 1) + " Subject " + cert.getSubjectDN());
            System.out.println("   Issuer  " + cert.getIssuerDN());
            sha1.update(cert.getEncoded());
            System.out.println("   sha1    " + toHexString(sha1.digest()));
            md5.update(cert.getEncoded());
            System.out.println("   md5     " + toHexString(md5.digest()));
            System.out.println();
        }

        System.out.print("Enter certificate to add to trusted keystore or 'q' to quit [1]: ");
        String line = reader.readLine().trim();
        int k = -1;
        try {
            k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;
        } catch (NumberFormatException e) {
        }

        if (k < 0 || k >= chain.length) {
            System.out.println("KeyStore not changed");
        } else {
            try {
                System.out.println("Creating keystore backup");
                final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
                final File backupFile = new File(dir,
                        CACERTS_KEYSTORE + "." + dateFormat.format(new java.util.Date()));
                final FileInputStream fis = new FileInputStream(file);
                final FileOutputStream fos = new FileOutputStream(backupFile);
                IOUtils.copy(fis, fos);
                fis.close();
                fos.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
            System.out.println("Installing certificate...");

            X509Certificate cert = chain[k];
            String alias = host + "-" + (k + 1);
            ks.setCertificateEntry(alias, cert);

            OutputStream out = new FileOutputStream(file);
            ks.store(out, passphrase);
            out.close();

            System.out.println();
            System.out.println(cert);
            System.out.println();
            System.out.println("Added certificate to keystore '" + file + "' using alias '" + alias + "'");
        }
    } catch (Exception e) {
        System.out.println();
        System.out.println("----------------------------------------------");
        System.out.println("Problem occured during installing certificate:");
        e.printStackTrace();
        System.out.println("----------------------------------------------");
    }
    System.out.println("Press Enter to finish...");
    try {
        reader.readLine();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static byte[] md5Byte(String encryptStr) throws Exception {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(encryptStr.getBytes("UTF-8"));
    return md.digest();
}

---

From source file:MainClass.java

static Cipher createCipher(int mode) throws Exception {
    PBEKeySpec keySpec = new PBEKeySpec("test".toCharArray());
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(keySpec);
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update("input".getBytes());
    byte[] digest = md.digest();
    byte[] salt = new byte[8];
    for (int i = 0; i < 8; ++i)
        salt[i] = digest[i];/*from w ww.j a va 2s.  c  om*/
    PBEParameterSpec paramSpec = new PBEParameterSpec(salt, 20);
    Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES");
    cipher.init(mode, key, paramSpec);
    return cipher;
}

---

From source file:MainClass.java

public static byte[] makeDigest(byte[] mush, long t2, double q2) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(mush);
    md.update(makeBytes(t2, q2));//from   w ww  .ja v  a2s .c  om
    return md.digest();
}

---

From source file:MainClass.java

public static byte[] makeDigest(String user, String password, long t1, double q1)
        throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(user.getBytes());
    md.update(password.getBytes());//ww w. java  2  s  .c om
    md.update(makeBytes(t1, q1));
    return md.digest();
}

---

From source file:Main.java

public static byte[] md5(byte[] bytes) throws Exception {
    MessageDigest md = MessageDigest.getInstance("MD5Util");
    md.update(bytes);
    return md.digest();
}

---

From source file:Main.java

public static String sha1(String input) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA1");
    md.update(input.getBytes("UTF-8"));
    byte[] output = md.digest();
    return bytesToHex(output);
}

---

From source file:Main.java

public static byte[] md5Digest(byte[] password) throws Exception {
    try {//from   ww w . j  a  v a2s.  c om
        MessageDigest alg = MessageDigest.getInstance("MD5");
        alg.update(password);
        byte[] digest = alg.digest();
        return digest;
    } catch (Exception e) {
        throw new Exception(e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• »