def get_permitted_algorithm_names():
    """ returns permitted algorithm names. """
    return [
        'RS256',
        'RS384',
        'RS512',
        'ES256',
        'ES384',
        'ES512',
        'PS256',
        'PS384',
        'PS512'
    ]

def get_permitted_algorithm_names():
    """ returns permitted algorithm names. """
    return [
        'RS256',
        'RS384',
        'RS512',
        'ES256',
        'ES384',
        'ES512',
        'PS256',
        'PS384',
        'PS512'
    ]

returns permitted algorithm names.