(a) All officers and other persons so employed to control and manage the penitentiary for the state shall, before entering upon the discharge of their duties, take and subscribe the following oath:
(b) The oaths of the assistant or deputy commissioners, wardens and superintendents shall be filed with the secretary of state. The oaths of all other employees shall be filed with the commissioner of correction.
(c) The violation of this oath by any of the officers or employees shall be perjury, punishable as in other cases of perjury.