cryptography ip-cores in vhdl / verilog
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// ======================================================================
// AES encryption/decryption
// algorithm according to FIPS 197 specification
// Copyright (C) 2012 Torsten Meissner
//-----------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// ======================================================================
module aes
#(
parameter ovl_enable = 0
)
(
input reset_i, // async reset
input clk_i, // clock
input mode_i, // aes-modus: 0 = encrypt, 1 = decrypt
input [0:127] key_i, // key input
input [0:127] data_i, // data input
input valid_i, // input key/data valid flag
output [0:127] data_o, // data output
output valid_o // output data valid flag
);
`include aes_pkg.v;
endmodule