Example usage for java.security MessageDigest digest

Introduction

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

Prototype

public byte[] digest()

Source Link

Document

Completes the hash computation by performing final operations such as padding.

Usage

From source file:de.micromata.genome.gwiki.auth.PasswordUtils.java

/**
 * Standart asymetrischen password verschlsseln mit SHA-256 fr Genome
 * /*from   www  . j  ava2 s .c om*/
 * @param plaintext Nie <code>null</code>
 * @return password hash
 */

public static String unsaltedSecureHash(String plaintext) {
    Validate.notNull(plaintext, "plaintext not set");
    try {
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(plaintext.getBytes(CharEncoding.UTF_8));
        byte raw[] = md.digest();
        String hash = Converter.encodeBase64(raw);
        return hash;
    } catch (Exception ex) {
        /**
         * @logging
         * @reason Beim asymetrischen verschlsseln ist ein Fehler aufgetreten.
         * @action berprfen der Java-Installation
         */
        throw new LoggedRuntimeException(ex, LogLevel.Fatal, GenomeLogCategory.System,
                "Error while executing hashing encryption: " + ex.getMessage());
    }
}

From source file:gov.nasa.jpl.analytics.util.CommonUtil.java

public static String hashString(String str) {
    String hash = "";
    try {/*from  ww w  .  j  a v  a2 s  .  co  m*/
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(str.getBytes("UTF-8"));
        byte[] digest = md.digest();
        hash = String.format("%064x", new java.math.BigInteger(1, digest)).toUpperCase();
    } catch (NoSuchAlgorithmException e) {
        LOG.error("Not a valid Hash Algorithm for String " + str);
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        LOG.error("Not a valid Encoding for String " + str);
        e.printStackTrace();
    }
    return hash;
}

From source file:Main.java

public static String hash(String pass) {
    MessageDigest md = null;
    try {// w  ww. ja v  a2 s. c  om
        md = MessageDigest.getInstance("SHA-256");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    md.update(pass.getBytes());
    byte byteData[] = md.digest();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
        sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
    }
    return sb.toString();

}

From source file:Main.java

public static String sha1(String strSrc) {
    MessageDigest md = null;
    String strDes = "";

    byte[] bt = strSrc.getBytes();
    try {/* ww w .  ja v a  2s.  c o m*/
        md = MessageDigest.getInstance("SHA-1");
        md.update(bt);
        byte[] encryptStr = md.digest();
        String tmp = null;
        for (int i = 0; i < encryptStr.length; i++) {
            tmp = (Integer.toHexString(encryptStr[i] & 0xFF));
            if (tmp.length() == 1) {
                strDes += "0";
            }
            strDes += tmp;
        }
    } catch (NoSuchAlgorithmException e) {
        System.out.println("Invalid algorithm.");
        return null;
    }
    return strDes;
}

From source file:com.dianping.wed.cache.redis.util.TestDataUtil.java

/**
 * MD5//from   ww  w  .  jav  a2 s .  c om
 *
 * @param str ?
 * @return ?
 */
public static String toMD5(String str) {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes());
        byte[] byteDigest = md.digest();
        int i;
        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < byteDigest.length; offset++) {
            i = byteDigest[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }
        //32?
        return buf.toString();
        // 16?
        //return buf.toString().substring(8, 24);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }

}

From source file:Main.java

/**
 * Method for returning an md5 hash of a string.
 * /*  w  w  w .  j a  v  a 2  s  .co m*/
 * @param val
 *            the string to hash.
 * @return A hex string representing the md5 hash of the input.
 */
private static String md5(String val) {
    String result = null;

    if ((val != null) && (val.length() > 0)) {
        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            md5.update(val.getBytes(), 0, val.length());
            result = String.format("%032X", new BigInteger(1, md5.digest()));
        } catch (NoSuchAlgorithmException nsae) {
            result = val.substring(0, 32);
        }
    }

    return result;
}

From source file:com.microsoft.aad.adal4j.AsymmetricKeyCredential.java

private static byte[] getHash(final byte[] inputBytes)
        throws NoSuchAlgorithmException, CertificateEncodingException {
    final MessageDigest md = MessageDigest.getInstance("SHA-1");
    md.update(inputBytes);/*  w ww.  j a va  2 s . c  o m*/
    return md.digest();

}

From source file:net.sf.jml.util.DigestUtils.java

public static byte[] sha1(ByteBuffer[] buffers) {
    try {//  ww w  .j  a v  a  2 s  .c o  m
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        for (int i = 0; i < buffers.length; i++) {
            update(digest, buffers[i].slice());
        }
        return digest.digest();
    } catch (NoSuchAlgorithmException e) {
        log.error(e, e);
        return null;
    }
}

From source file:com.github.robozonky.integrations.zonkoid.ZonkoidConfirmationProvider.java

static String md5(final String secret) throws NoSuchAlgorithmException {
    final MessageDigest mdEnc = MessageDigest.getInstance("MD5");
    mdEnc.update(secret.getBytes(Defaults.CHARSET));
    return new BigInteger(1, mdEnc.digest()).toString(16);
}

From source file:com.moki.touch.util.UrlUtil.java

/**
 * This method is used to create a filename for cached content
 * @param url the url of the content to be cached
 * @return an MD5 hashed string//from  w w  w. j ava 2  s. co  m
 */
public static String hashUrl(String url) {
    try {
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(url.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}