POWER OF ATTORNEY


	The undersigned hereby constitutes and appoints Timothy L.
Russell, Alan G. Shuler, Thomas R. King, Elizabeth M. Reiskytl and
Diane Heney ("Attorneys-in-Fact"),  or any one of them acting
alone, the undersigned's true and lawful attorney-in-fact and
agent with full power of substitution and resubstitution, for the
undersigned and in the undersigned's name, place and stead, in any
and all capacities, to sign any or all Forms 3, 4 or 5 relating to
beneficial ownership of securities of Datakey, Inc. (the
"Issuer"), to file the same, with all exhibits thereto and other
documents in connection therewith, with the Securities and
Exchange Commission and to deliver a copy of the same to the
Issuer, granting unto said attorney-in-fact and agent full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as the undersigned might or
could do in person, hereby ratifying and confirming all said
attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue thereof.  The
undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not
assuming any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in effect until such time
as the undersigned is no longer subject to the provisions of
Section 16 of the Securities Exchange Act of 1934 with respect to
securities of the Issuer or until this Power of Attorney is
replaced by a later dated Power of Attorney or revoked by the
undersigned in writing.

	The undersigned hereby indemnifies the Attorneys-in-Fact for
all losses and costs the Attorneys-in-Fact may incur in connection
with or arising from the Attorneys-in-Fact's execution of their
authorities granted hereunder.

	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 10th day of July, 2003.



						/s/ Christopher A. Schwartzbauer
						Christopher A. Schwartzbauer