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:com.sfalma.trace.Sfalma.java

public static String MD5(String data) throws Exception {
    MessageDigest m = MessageDigest.getInstance("MD5");

    m.update(data.getBytes(), 0, data.length());
    return new BigInteger(1, m.digest()).toString(16);
}

From source file:Main.java

/**
 * Generates SHA256 hash of the password which is used as key
 *
 * @param password used to generated key
 * @return SHA256 of the password/*from  w  ww . j a  va  2  s. c o m*/
 */
private static SecretKeySpec generateKey(final String password)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {
    final MessageDigest digest = MessageDigest.getInstance(HASH_ALGORITHM);
    byte[] bytes = password.getBytes("UTF-8");
    digest.update(bytes, 0, bytes.length);
    byte[] key = digest.digest();

    log("SHA-256 key ", key);

    return new SecretKeySpec(key, "AES");
}

From source file:edu.cwru.apo.Auth.java

public static Hex md5(String in) {
    MessageDigest digest;
    try {//from  ww  w  .  java 2  s .c  o  m
        digest = MessageDigest.getInstance("MD5");
        digest.reset();
        digest.update(in.getBytes());

        byte messageDigest[] = digest.digest();
        return new Hex(messageDigest);

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

From source file:com.pfarrell.crypto.HmacUtil.java

/**
 * calculate the sha of the argument, return hex encoded value
 * @param message to hash/*  w  w  w  .ja  va  2s  .co  m*/
 * @return hexified result
 */
public static String sha(byte[] message) {
    Preconditions.checkNotNull(message);
    byte[] gas = null;
    try {
        MessageDigest digest = MessageDigest.getInstance("SHA-256");
        digest.update(message);
        gas = digest.digest();

    } catch (Exception e) {
        System.out.println("WebUtils.sha256 - caught exception: " + e.toString());
    }
    return hexify(gas);
}

From source file:io.wcm.caravan.pipeline.cache.couchbase.impl.CouchbaseCacheAdapter.java

private static String calculateHash(String message) {

    try {//from  w w w.  java 2  s  . co m
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        digest.update(message.getBytes(CharEncoding.UTF_8));
        byte[] digestBytes = digest.digest();

        return javax.xml.bind.DatatypeConverter.printHexBinary(digestBytes).toLowerCase();
    } catch (NoSuchAlgorithmException | UnsupportedEncodingException ex) {
        throw new RuntimeException("Failed to create sha1 Hash from " + message, ex);
    }
}

From source file:Main.java

public static String md5One(String s) {
    MessageDigest md = null;
    try {//  w  w w.  j  a  va 2  s .  c  o  m
        md = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e.getMessage());
    }
    md.update(s.getBytes());
    return byteArrayToHexString(md.digest());
}

From source file:de.innovationgate.utils.UIDGenerator.java

/**
 * Generates an MD5 hash from the given string
 * @param hashString//from  w ww . j  a v a2s .c  om
 */
public static String generateMD5Hash(String hashString) {
    MessageDigest md5;
    try {
        md5 = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        return null;
    }

    md5.update(hashString.getBytes());

    byte[] array = md5.digest();
    StringBuffer sb = new StringBuffer();
    for (int j = 0; j < array.length; ++j) {
        int b = array[j] & 0xFF;
        if (b < 0x10)
            sb.append('0');
        sb.append(Integer.toHexString(b));
    }
    return sb.toString();
}

From source file:com.liferay.mobile.android.util.PortraitUtil.java

protected static void appendToken(StringBuilder sb, String uuid) {
    if (Validator.isNull(uuid)) {
        return;/*  w  w w . j  a v  a 2  s .c  o  m*/
    }

    try {
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        digest.update(uuid.getBytes());

        byte[] bytes = digest.digest();
        String token = null;

        try {
            token = Base64.encodeToString(bytes, Base64.NO_WRAP);
        } catch (RuntimeException re) {
            if ("Stub!".equals(re.getMessage())) {
                token = org.apache.commons.codec.binary.Base64.encodeBase64String(bytes);
            }
        }

        if (token != null) {
            sb.append("&img_id_token=");
            sb.append(URLEncoder.encode(token, "UTF8"));
        }
    } catch (Exception e) {
        Log.e(_CLASS_NAME, "Couldn't generate portrait image token", e);
    }
}