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(byte[] input)

Source Link

Document

Performs a final update on the digest using the specified array of bytes, then completes the digest computation.

Usage

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

public static byte[] md5(byte[] b) {
    try {// w  ww .  java2 s  .  c  o  m
        MessageDigest digest = MessageDigest.getInstance("MD5");
        return digest.digest(b);
    } catch (NoSuchAlgorithmException e) {
        log.error(e, e);
        return null;
    }
}

From source file:com.aast.encrypt.EncryptManager.java

private static byte[] getKeyFromString(String keyStr)
        throws UnsupportedEncodingException, NoSuchAlgorithmException {
    byte[] key = keyStr.getBytes("UTF-8");
    MessageDigest sha = MessageDigest.getInstance("SHA-1");
    key = sha.digest(key);
    key = Arrays.copyOf(key, 16); // use only first 128 bit
    return key;/*from w  w  w . j  a  v  a 2s  .  co m*/
}

From source file:com.agiletec.plugins.jpnewsletter.aps.system.services.newsletter.util.ShaEncoder.java

public static String encodeWord(String word, String salt) throws NoSuchAlgorithmException {
    String saltedPass = mergeWordAndSalt(word, salt, false);
    MessageDigest messageDigest = MessageDigest.getInstance("SHA");
    byte[] digest = messageDigest.digest(saltedPass.getBytes());
    return new String(Hex.encodeHex(digest));
}

From source file:com.myjeeva.spring.security.util.SpringExtensionsUtil.java

/**
 * generates the MD5 Hash value from given salt value
 * //from w w w.ja v  a2s .c om
 * @param md5Salt - a {@link java.lang.String} object.
 * @return md5 hash value if success, <code>null</code> if exception/fails
 */
public static String getMD5(String md5Salt) {
    try {
        MessageDigest md = MessageDigest.getInstance(MD5);
        byte[] array = md.digest(md5Salt.getBytes(UTF8));
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < array.length; ++i) {
            sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
        }
        return sb.toString();
    } catch (java.security.NoSuchAlgorithmException e) {
        LOG.error(e.getMessage());
    } catch (UnsupportedEncodingException e) {
        LOG.error(e.getMessage());
    }
    return null;
}

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

public static byte[] sha1(byte[] b) {
    try {/*from www  . j a  v a2s.  c  om*/
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        return digest.digest(b);
    } catch (NoSuchAlgorithmException e) {
        log.error(e, e);
        return null;
    }
}

From source file:com.bitbreeds.webrtc.signaling.CertUtil.java

/**
 * @return sha-256 string based on cert in keystore
 */// w  ww . jav  a  2s. c  o  m
public static String getCertFingerPrint(String storePath, String alias, String pass) {
    try {
        Certificate cert = DTLSUtils.loadCert(storePath, alias, pass);

        byte[] der = cert.getCertificateAt(0).getEncoded();
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        byte[] dat = md.digest(der);

        String fingerprint = createFingerprintString(dat);
        logger.info("Local cert signature is {} ", fingerprint);
        return fingerprint;
    } catch (Exception e) {
        logger.error("Failed to create cert fingerprint from {}", storePath, e);
        throw new IllegalStateException("Loading certificate failed");
    }
}

From source file:com.kumbaya.dht.Keys.java

public static KUID of(String key) {
    try {/*ww  w.  j  av  a 2 s .c  om*/
        MessageDigest md = MessageDigest.getInstance("SHA1");
        KUID result = KUID.createWithBytes(md.digest(key.getBytes("UTF-8")));
        md.reset();
        return result;
    } catch (UnsupportedEncodingException e) {
        logger.warn("failed to encode key: " + key, e);
        return null;
    } catch (NoSuchAlgorithmException e) {
        logger.warn("failed to encode key: " + key, e);
        return null;
    }
}

From source file:Main.java

/**
 * returns a hash SHA-1 of the given byte array
 *
 * @param data the data to be hashed//from   w w  w .  j  ava2 s.  c  o m
 * @return byte[] the hash of the data
 */
public static byte[] hash(String algorithm, byte[] data) {
    try {
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        return digest.digest(data);
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

From source file:com.apexxs.neonblack.utilities.MD5Utilities.java

public static String getMD5Hash(String s) {
    String md5Hash = StringUtils.EMPTY;
    try {//from ww w  .j  a va2  s .  c o m
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.reset();
        byte[] bytes = md.digest(s.getBytes("UTF-8"));
        md5Hash = String.format("%032x", new BigInteger(1, bytes));
    } catch (Exception ex) {
        logger.error("Error generating MD5 hash from " + s + "\n" + ex.getMessage());
    }
    return md5Hash;
}

From source file:com.linkedin.databus2.schemas.utils.Utils.java

public static byte[] md5(byte[] bytes) {
    try {//  w  w w . j a  v  a2 s  .com
        MessageDigest digest = MessageDigest.getInstance("md5");
        return digest.digest(bytes);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException("This can't happen.", e);
    }
}