How to use

extractSalt

method

in

org.springframework.security.crypto.password.Md4PasswordEncoder

/**
 * Takes a previously encoded password and compares it with a rawpassword after mixing
 * in the salt and encoding that value
 *
 * @param rawPassword plain text password
 * @param encodedPassword previously encoded password
 * @return true or false
 */
public boolean matches(CharSequence rawPassword, String encodedPassword) {
  String salt = extractSalt(encodedPassword);
  String rawPasswordEncoded = digest(salt, rawPassword);
  return PasswordEncoderUtils.equals(encodedPassword.toString(), rawPasswordEncoded);
}

/**
 * Takes a previously encoded password and compares it with a rawpassword after mixing
 * in the salt and encoding that value
 *
 * @param rawPassword plain text password
 * @param encodedPassword previously encoded password
 * @return true or false
 */
public boolean matches(CharSequence rawPassword, String encodedPassword) {
  String salt = extractSalt(encodedPassword);
  String rawPasswordEncoded = digest(salt, rawPassword);
  return PasswordEncoderUtils.equals(encodedPassword.toString(), rawPasswordEncoded);
}

/**
 * Takes a previously encoded password and compares it with a rawpassword after mixing
 * in the salt and encoding that value
 *
 * @param rawPassword plain text password
 * @param encodedPassword previously encoded password
 * @return true or false
 */
public boolean matches(CharSequence rawPassword, String encodedPassword) {
  String salt = extractSalt(encodedPassword);
  String rawPasswordEncoded = digest(salt, rawPassword);
  return PasswordEncoderUtils.equals(encodedPassword.toString(), rawPasswordEncoded);
}

/**
 * Takes a previously encoded password and compares it with a rawpassword after mixing
 * in the salt and encoding that value
 *
 * @param rawPassword plain text password
 * @param encodedPassword previously encoded password
 * @return true or false
 */
public boolean matches(CharSequence rawPassword, String encodedPassword) {
  String salt = extractSalt(encodedPassword);
  String rawPasswordEncoded = digest(salt, rawPassword);
  return PasswordEncoderUtils.equals(encodedPassword.toString(), rawPasswordEncoded);
}

/**
 * Takes a previously encoded password and compares it with a rawpassword after mixing
 * in the salt and encoding that value
 *
 * @param rawPassword plain text password
 * @param encodedPassword previously encoded password
 * @return true or false
 */
public boolean matches(CharSequence rawPassword, String encodedPassword) {
  String salt = extractSalt(encodedPassword);
  String rawPasswordEncoded = digest(salt, rawPassword);
  return PasswordEncoderUtils.equals(encodedPassword.toString(), rawPasswordEncoded);
}