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								# ======================================================================
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								# DES encryption/decryption
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								# algorithm according to FIPS 46-3 specification
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								# Copyright (C) 2012 Torsten Meissner
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								#-----------------------------------------------------------------------
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								# This program is free software; you can redistribute it and/or modify
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								# it under the terms of the GNU General Public License as published by
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								# the Free Software Foundation; either version 2 of the License, or
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								# (at your option) any later version.
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								# This program is distributed in the hope that it will be useful,
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								# but WITHOUT ANY WARRANTY; without even the implied warranty of
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								# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								# GNU General Public License for more details.
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								# You should have received a copy of the GNU General Public License
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								# along with this program; if not, write to the Free Software
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								# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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								# ======================================================================
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								SRC_FILES = tb_cbcmac_des.v ../../rtl/verilog/cbcmac_des.v ../../../des/rtl/verilog/des.v
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								SIM_FILES = data_input.txt data_output.txt
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								.PHONY: all
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								all : sim wave
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								.PHONY: sim
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								sim : tb_cbcmac_des.vcd
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								tb_cbcmac_des.vcd : $(SRC_FILES) $(SIM_FILES)
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									iverilog -Wall -s tb_cbcmac_des -o tb_cbcmac_des $(SRC_FILES)
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									vvp tb_cbcmac_des
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								.PHONY: wave
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								wave : tb_cbcmac_des.vcd
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									gtkwave -S tb_cbcmac_des.tcl tb_cbcmac_des.vcd &
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								.PHONY: clean
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								clean :
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									echo "# cleaning simulation files"
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									rm -f tb_cbcmac_des
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									rm -f tb_cbcmac_des.vcd
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