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:ca.ualberta.physics.cssdp.util.HashUtils.java

/**
 * From a password, a number of iterations and a salt, returns the
 * corresponding digest//from  w  w  w.j  a v  a 2 s  . c  o  m
 * 
 * @param iterationNb
 *            int The number of iterations of the algorithm
 * @param password
 *            String The password to encrypt
 * @param salt
 *            byte[] The salt
 * @return byte[] The digested password
 * @throws NoSuchAlgorithmException
 *             If the algorithm doesn't exist
 */
public static byte[] getHash(int iterationNb, String password, byte[] salt) {
    try {
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        digest.reset();
        digest.update(salt);
        byte[] input = digest.digest(password.getBytes("UTF-8"));
        for (int i = 0; i < iterationNb; i++) {
            digest.reset();
            input = digest.digest(input);
        }
        return input;
    } catch (NoSuchAlgorithmException nsa) {
        throw Throwables.propagate(nsa);
    } catch (UnsupportedEncodingException e) {
        throw Throwables.propagate(e);
    }
}

From source file:net.blogracy.model.hashes.Hashes.java

public static String hash(String text) throws NoSuchAlgorithmException {
    MessageDigest digester = MessageDigest.getInstance("SHA-1");
    byte[] digest = digester.digest(text.getBytes());
    String result = base32.encodeAsString(digest);
    return result;
}

From source file:Main.java

/**
 * Returns an MD-5 digest of the database encryption password.
 * <blockquote>This algorithm performs an MD-5 hash on a UTF-8 representation of the password.</blockquote>
 *
 * @param pass The plain encryption password
 *
 * @return The database encryption password digest
 *
 * @throws NoSuchAlgorithmException If the platform doesn't support MD-5
 */// w  w w. j a  va 2 s  . co m
public static byte[] passToDigest(char[] pass) throws NoSuchAlgorithmException {
    // FIXME: Enhance security for this method
    Charset cs = Charset.forName("UTF-8");
    MessageDigest md = MessageDigest.getInstance("MD5");
    ByteBuffer bbuf = cs.encode(CharBuffer.wrap(pass));
    byte[] bpass = Arrays.copyOf(bbuf.array(), bbuf.remaining());

    return md.digest(bpass);
}

From source file:org.trustedanalytics.cfbroker.store.zookeeper.service.utils.ZookeeperTestUtils.java

public static void createDir(ZookeeperCredentials credentials, String path) throws Exception {

    CuratorFramework tempClient = getNewTempClient(credentials.getConnectionString());

    MessageDigest md = MessageDigest.getInstance("SHA-1");
    byte[] authDigest = md
            .digest(String.format("%s:%s", credentials.getUsername(), credentials.getPassword()).getBytes());
    String authEncoded = new String(Base64.encode(authDigest));
    ImmutableList<ACL> acl = ImmutableList.of(new ACL(ZooDefs.Perms.ALL,
            new Id("digest", String.format("%s:%s", credentials.getUsername(), authEncoded))));

    tempClient.create().creatingParentsIfNeeded().withACL(acl).forPath(path);

    tempClient.close();/*from   w w w  .  j a  v a 2s.c  o  m*/
}

From source file:Main.java

public static String stringGetMD5String(String s) {
    byte[] data;// ww  w .  j  a  v  a2  s .c o  m
    MessageDigest md5;

    try {
        data = s.getBytes("UTF-8");
        md5 = MessageDigest.getInstance("MD5");
    } catch (Exception e) {
        return null;
    }

    byte[] hash = md5.digest(data);
    StringBuilder hashStr = new StringBuilder();

    for (byte byteValue : hash) {
        hashStr.append(String.format("%02x", byteValue));
    }

    return hashStr.toString();
}

From source file:org.rivetlogic.utils.IntegrationUtils.java

public static String MD5(String str) throws NoSuchAlgorithmException {
    MessageDigest digest = MessageDigest.getInstance("MD5");

    byte[] dg = digest.digest(str.getBytes());

    BigInteger number = new BigInteger(1, dg);

    return number.toString(16);
}

From source file:org.rivetlogic.utils.IntegrationUtils.java

public static BigInteger MD5BigInteger(String str) throws NoSuchAlgorithmException {
    MessageDigest digest = MessageDigest.getInstance("MD5");

    byte[] dg = digest.digest(str.getBytes());

    BigInteger number = new BigInteger(1, dg);

    return number;
}

From source file:Main.java

public static String convertStringToMd5(String valor) {

    MessageDigest mDigest;
    StringBuffer sb;//  w w w  . j av a 2s .  c  om

    if (valor == "") {
        return null;
    }
    try {
        mDigest = MessageDigest.getInstance("MD5");
        byte[] valorMD5 = mDigest.digest(valor.getBytes("UTF-8"));
        sb = new StringBuffer();

        for (byte b : valorMD5) {
            sb.append(Integer.toHexString((b & 0xFF) | 0x100).substring(1, 3));
        }
        return sb.toString();
    } catch (NoSuchAlgorithmException | UnsupportedEncodingException ex) {
        Logger.getLogger(MessageDigest.class.getName()).log(Level.SEVERE, null, ex);
        Logger.getLogger(StringBuffer.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
}

From source file:net.firejack.platform.core.utils.SecurityHelper.java

/**
 * return hash/* w w w  . j a v  a 2s  . com*/
 *
 * @param value value to hash
 * @return hashed value
 */
public static String hash(String value) {
    String result;
    try {
        MessageDigest digest = MessageDigest.getInstance("MD5");
        byte[] hash = digest.digest(value.getBytes());
        result = asHex(hash);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
    return result;
}

From source file:com.google.gerrit.server.mail.FromAddressGeneratorProvider.java

private static String hashOf(String data) {
    try {/*from  w w  w.  j a va2 s. c  o  m*/
        MessageDigest hash = MessageDigest.getInstance("MD5");
        byte[] bytes = hash.digest(data.getBytes(Charsets.UTF_8));
        return Base64.encodeBase64URLSafeString(bytes);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("No MD5 available", e);
    }
}