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:org.runway.utils.TextUtils.java

/**
 * Generates MD5 for the text passed/* w  w w . j  a v  a 2  s.  co  m*/
 * @param text
 * @return
 */
public static String genMD5(String text) {
    MessageDigest m;
    try {
        m = MessageDigest.getInstance("MD5");
        m.update(text.getBytes(), 0, text.length());
        return new BigInteger(1, m.digest()).toString(16);
    } catch (NoSuchAlgorithmException e) {// return same text if there was
        // an error
        e.printStackTrace();
        return text;
    }
}

From source file:com.cirrus.utils.EncryptionUtils.java

private static String makePasswordHash(final String value, final String salt) {
    try {//w  w  w. ja  v  a2s . c  om

        final String saltedAndHashed = value + "," + salt;
        final MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(saltedAndHashed.getBytes());
        final byte hashedBytes[] = (new String(digest.digest(), "UTF-8")).getBytes();
        final Base64 base64 = new Base64();
        return Arrays.toString(base64.encode(hashedBytes)) + '_' + salt;
    } catch (final NoSuchAlgorithmException e) {
        throw new RuntimeException("MD5 is not available", e);
    } catch (final UnsupportedEncodingException e) {
        throw new RuntimeException("UTF-8 unavailable?  Not a chance", e);
    }
}

From source file:Main.java

public static String md5hash(String string) {
    String generatedString = null;
    try {//  w w w.j av  a2  s .  co m
        // Create MessageDigest instance for MD5
        MessageDigest md = MessageDigest.getInstance("MD5");
        // Add password bytes to digest
        md.update(string.getBytes());
        // Get the hash's bytes
        byte[] bytes = md.digest();
        // This bytes[] has bytes in decimal format;
        // Convert it to hexadecimal format
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < bytes.length; i++) {
            sb.append(Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1));
        }
        // Get complete hashed password in hex format
        generatedString = sb.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return generatedString;
}

From source file:com.continusec.client.Util.java

/**
 * Calculate the Merkle Tree Node Hash for an existing left and right hash (HASH(chr(1) || l || r)).
 * @param l the left node hash./*from   w  ww.  j a  va2  s.  c  o m*/
 * @param r the right node hash.
 * @return the node hash for the combination.
 */
public static final byte[] nodeMerkleTreeHash(byte[] l, byte[] r) {
    MessageDigest d = DigestUtils.getSha256Digest();
    d.update((byte) 1);
    d.update(l);
    d.update(r);
    return d.digest();
}

From source file:de.marx_labs.utilities.common.util.HashUtil.java

public static String hash(String value) {
    MessageDigest digest;
    try {/*  w  ww . j  a v a  2s. c o  m*/
        digest = MessageDigest.getInstance("SHA-256");
        digest.update(value.getBytes("UTF-8"));
        byte[] hash = digest.digest();

        return new String(hash);
    } catch (Exception e) {
        logger.error("", e);
    }
    return null;
}

From source file:Main.java

public static String getApkSignatureMD5String(Signature signature) {
    MessageDigest md;
    try {/*from   w  ww . j a v  a 2s .com*/
        md = MessageDigest.getInstance("MD5");

        md.update(signature.toByteArray());

        byte[] digest = md.digest();

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

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

protected static void appendToken(StringBuilder sb, String uuid) throws Exception {

    if (Validator.isNull(uuid)) {
        return;/* w  w w  .  j  av  a  2  s.  c om*/
    }

    MessageDigest digest = MessageDigest.getInstance("SHA-1");
    digest.update(uuid.getBytes());
    byte[] bytes = digest.digest();
    byte[] encodedBytes = Base64.encodeBase64(bytes);
    String token = new String(encodedBytes);

    sb.append("&img_id_token=");
    sb.append(URLEncoder.encode(token, "UTF8"));
}

From source file:com.smallfe.clerk.util.DigestUtil.java

public static String getSHA256(String message) {
    try {/*from www  .  j  a va 2  s. com*/
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(message.getBytes());

        byte byteData[] = md.digest();

        //convert the byte to hex format method 1
        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();
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(DigestUtil.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
}

From source file:Componentes.EncryptionMD5.java

public static String getStringMessageDigest(String message, String algorithm) {
    byte[] digest = null;
    byte[] buffer = message.getBytes();
    try {//from  w w  w  .  j  av  a2  s . co m
        MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
        messageDigest.reset();
        messageDigest.update(buffer);
        digest = messageDigest.digest();
    } catch (NoSuchAlgorithmException e) {
        System.out.println("Error creando Digest");
    }
    return toHexadecimal(digest);
}

From source file:ezbake.warehaus.WarehausUtils.java

public static Text getKey(String uri) {
    try {//from  w  ww.  j  a  v  a2  s .c  o m
        MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
        messageDigest.update(uri.getBytes());
        byte[] hash = messageDigest.digest();
        BigInteger bigInt = new BigInteger(1, hash);
        String hashtext = bigInt.toString(16);
        return new Text(hashtext + ":" + uri);
    } catch (NoSuchAlgorithmException e) {
        // We hopefully should never end up here
        logger.error("NoSuchAlgorithmException thrown while attempting " + "to hash key.", e);
        throw new RuntimeException(e);
    }
}