Example usage for java.security MessageDigest update

Introduction

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

Prototype

public void update(byte[] input, int offset, int len)

Source Link

Document

Updates the digest using the specified array of bytes, starting at the specified offset.

Usage

From source file:customerproject.customerutilities.Utilities.java

public static String SHA256(String email, String password)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {

    String text = email + "." + password;
    MessageDigest md = DigestUtils.getSha256Digest();

    byte[] sha256hash = new byte[32];
    md.update(text.getBytes("iso-8859-1"), 0, text.length());
    sha256hash = md.digest();//from w  ww  .j  a  v  a  2  s.c  o m

    //return Base64.encodeBase64String(sha256hash);
    return Base64.encodeBase64URLSafeString(sha256hash);
    //String hex = convertToHex(sha256hash);

}

From source file:Main.java

public static String sha1(String text) {
    MessageDigest md;
    try {// w  w  w .jav a  2  s  .  co  m
        md = MessageDigest.getInstance("SHA-1");
        byte[] sha1hash = new byte[40];
        md.update(text.getBytes("UTF-8"), 0, text.length());
        sha1hash = md.digest();
        return convertToHex(sha1hash);
    } catch (Exception e) {
    }

    return "";
}

From source file:org.confab.Utilities.java

public static String md5(String pass) {
    String md5 = "";
    try {/*from w  w w.  j a  va  2s  . c  o m*/
        MessageDigest m = MessageDigest.getInstance("MD5");
        byte[] data = pass.getBytes();
        m.update(data, 0, data.length);
        BigInteger i = new BigInteger(1, m.digest());
        md5 = String.format("%1$032x", i);
    } catch (NoSuchAlgorithmException e) {
        System.out.println(e);
    }
    return md5;
}

From source file:it.zero11.acme.utils.JWKUtils.java

private static byte[] SHA256(String text) {
    try {//  w w  w .j  av a 2s .  c  o  m
        MessageDigest md;
        md = MessageDigest.getInstance("SHA-256");
        md.update(text.getBytes("UTF-8"), 0, text.length());
        return md.digest();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Return a md5 string based on a given string 
 *//*from w w  w  .j  a v a  2s .  c  om*/
public static String MD5(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md;
    md = MessageDigest.getInstance("MD5");
    byte[] md5hash = new byte[32];
    md.update(text.getBytes("iso-8859-1"), 0, text.length());
    md5hash = md.digest();
    return convertToHex(md5hash);
}

From source file:customerproject.customerutilities.Utilities.java

public static String MD5(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException {

    MessageDigest md;
    md = MessageDigest.getInstance("MD5");
    byte[] md5hash = new byte[32];
    md.update(text.getBytes("iso-8859-1"), 0, text.length());
    md5hash = md.digest();//from w  w  w  .  j  a va 2  s  .c o  m
    return convertToHex(md5hash);
}

From source file:br.com.gerenciapessoal.service.CadastroUsuarioService.java

@SuppressWarnings("null")
public static String md5(String input) {
    String md5 = null;//from w  w w  .  j  av  a2s .c om
    if (!StringUtils.isNotBlank(input)) {
        return null;
    }
    try {
        //Create MessageDigest object for MD5           
        MessageDigest digest = MessageDigest.getInstance("MD5");
        //Update input string in message digest           
        digest.update(input.getBytes(), 0, input.length());
        //Converts message digest value in base 16 (hex)            
        md5 = new BigInteger(1, digest.digest()).toString(16);
    } catch (NoSuchAlgorithmException e) {
    }
    return md5.trim();
}

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//w w  w.  ja  va 2s.  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);

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

From source file:Main.java

public static byte[] getDigestFromURL(URL u) throws Exception {
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    InputStream in = u.openStream();
    byte[] data = new byte[1024];
    int bytesRead = -1;
    while ((bytesRead = in.read(data)) >= 0) {
        md5.update(data, 0, bytesRead);
    }/* ww w .  ja  v  a 2  s.c  o m*/
    return md5.digest();
}

From source file:io.sidecar.security.SecurityUtils.java

/**
 * Generates a String representation of an MD5 Checksum from a given String input.
 *
 * @param input - A non-null String./*from www .jav  a2 s .  co m*/
 * @return an MD5 checksum as a Hex encoded String.
 */
public static String md5(String input) {
    checkNotNull(input);
    try {
        //Create MessageDigest object for MD5
        MessageDigest digest = MessageDigest.getInstance(MD5_ALGORITHM);

        //Update input string in message digest
        digest.update(input.getBytes(), 0, input.length());

        //Converts message digest value in base 16 (hex)
        return String.copyValueOf(Hex.encodeHex(digest.digest()));
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    }
}