Encode the plain_password with the salt of the hashed_password.

        Return the comparison with the encrypted_password.

def check_password(self, hashed_password, plain_password):
        """Encode the plain_password with the salt of the hashed_password.

        Return the comparison with the encrypted_password.
        """
        salt, encrypted_password = hashed_password.split('$')
        re_encrypted_password = self.get_hash(salt, plain_password)
        return encrypted_password == re_encrypted_password