Examples of java.security.MessageDigest.update()

java.security.MessageDigest.update()
Updates the digest using the specified byte. @param input the byte with which to update the digest.


    md.reset();


    // call the update method one or more times
    // (useful when you don't know the size of your data, eg. stream)
    md.update(unencodedPassword);


    // now calculate the hash
    byte[] encodedPassword = md.digest();


    StringBuilder buf = new StringBuilder();

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            constraints.insets = valueInsets;


            try
            {
                MessageDigest md = MessageDigest.getInstance("SHA1");
                md.update(certificate.getEncoded());
                String sha1String = getHex(md.digest());


                md = MessageDigest.getInstance("MD5");
                md.update(certificate.getEncoded());
                String md5String = getHex(md.digest());

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                MessageDigest md = MessageDigest.getInstance("SHA1");
                md.update(certificate.getEncoded());
                String sha1String = getHex(md.digest());


                md = MessageDigest.getInstance("MD5");
                md.update(certificate.getEncoded());
                String md5String = getHex(md.digest());


                JTextArea sha1Area = new JTextArea(sha1String);
                sha1Area.setLineWrap(false);
                sha1Area.setOpaque(false);

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      {
         MessageDigest digest = getDigest();
         try
         {
            // update
            digest.update(pathName.getBytes());
            // return
            return digest.digest();
         }
         finally
         {

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   */
  public static String md5(byte[] input) {
    try {
      MessageDigest md5 = MessageDigest.getInstance("MD5");
      md5.reset();
      md5.update(input);
      return jfix.util.Base64.encodeBytes(md5.digest());
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

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            }
        }


        byte[] sha1hash = new byte[40];


        md.update(text.getBytes(), 0, text.length());


        sha1hash = md.digest();


        return convertToHex(sha1hash);
    }

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  }


  private String encode(String plaintext) {
    try {
      MessageDigest md = MessageDigest.getInstance("MD5");
      md.update(plaintext.getBytes("UTF-8"));
      return Base64.encodeBytes(md.digest());
    } catch (NoSuchAlgorithmException e) {
      log.error(e.getMessage(), e);
    } catch (UnsupportedEncodingException e) {
      log.error(e.getMessage(), e);

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        try {
            MessageDigest md = MessageDigest.getInstance("SHA");


            //Create the encrypted Byte[]
            md.update( password.getBytes() );
            byte[] hash = md.digest();


            //Convert the byte array into a String


            StringBuffer hashStringBuf = new StringBuffer();

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  public static String hash(String string, String algorithm, String encoding) throws UnsupportedEncodingException{


    try {
      MessageDigest digest = MessageDigest.getInstance(algorithm);


      digest.update(string.getBytes(encoding));


      byte[] encodedPassword = digest.digest();


      return new BigInteger(1, encodedPassword).toString(16);

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    try {
      MessageDigest digest = MessageDigest.getInstance(HashAlgorithms.SHA1);


      try {
        digest.update(string.getBytes("UTF-8"));


      } catch (UnsupportedEncodingException e) {


        throw new RuntimeException(e);
      }

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