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[/] [systemcaes/] [trunk/] [rtl/] [systemc/] [aes192lowarea/] [aes.h] - Rev 28
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////////////////////////////////////////////////////////////////////// //// //// //// AES top file header //// //// //// //// This file is part of the SystemC AES //// //// //// //// Description: //// //// AES top file header //// //// //// //// To Do: //// //// - done //// //// //// //// Author(s): //// //// - Javier Castillo, jcastilo@opencores.org //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2000 Authors and OPENCORES.ORG //// //// //// //// This source file may be used and distributed without //// //// restriction provided that this copyright statement is not //// //// removed from the file and that any derivative work contains //// //// the original copyright notice and the associated disclaimer. //// //// //// //// This source file is free software; you can redistribute it //// //// and/or modify it under the terms of the GNU Lesser General //// //// Public License as published by the Free Software Foundation; //// //// either version 2.1 of the License, or (at your option) any //// //// later version. //// //// //// //// This source 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 Lesser General Public License for more //// //// details. //// //// //// //// You should have received a copy of the GNU Lesser General //// //// Public License along with this source; if not, download it //// //// from http://www.opencores.org/lgpl.shtml //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS Revision History // // $Log: not supported by cvs2svn $ // Revision 1.1 2005/02/14 16:18:21 jcastillo // aes192 uploaded // #include "systemc.h" //Include modules #include "subbytes.h" #include "mixcolum.h" #include "sbox.h" #include "keysched192.h" SC_MODULE(aes){ sc_in<bool> clk; sc_in<bool> reset; sc_in<bool> load_i; sc_in<bool> decrypt_i; sc_in<sc_biguint<128> > data_i; sc_in<sc_biguint<192> > key_i; sc_out<bool> ready_o; sc_out<sc_biguint<128> > data_o; //Output registers sc_signal<bool> next_ready_o; //To key schedule module sc_signal<bool> keysched_start_i; sc_signal<sc_uint<4> > keysched_round_i; sc_signal<sc_biguint<192> > keysched_last_key_i; sc_signal<sc_biguint<192> > keysched_new_key_o; sc_signal<bool> keysched_ready_o; sc_signal<bool> keysched_sbox_access_o; sc_signal<sc_uint<8> > keysched_sbox_data_o; sc_signal<bool> keysched_sbox_decrypt_o; //From mixcolums sc_signal<bool> mixcol_start_i; sc_signal<sc_biguint<128> > mixcol_data_i; sc_signal<bool> mixcol_ready_o; sc_signal<sc_biguint<128> > mixcol_data_o; //From subbytes sc_signal<bool> subbytes_start_i; sc_signal<sc_biguint<128> > subbytes_data_i; sc_signal<bool> subbytes_ready_o; sc_signal<sc_biguint<128> > subbytes_data_o; sc_signal<sc_uint<8> > subbytes_sbox_data_o; sc_signal<bool> subbytes_sbox_decrypt_o; //To SBOX sc_signal<sc_uint<8> > sbox_data_o; sc_signal<sc_uint<8> > sbox_data_i; sc_signal<bool> sbox_decrypt_i; enum state_t{IDLE,ROUNDS}; sc_signal<state_t> state,next_state; sc_signal<sc_uint<4> > round,next_round; sc_signal<sc_biguint<128> > addroundkey_data_o,next_addroundkey_data_reg,addroundkey_data_reg; sc_signal<sc_biguint<128> > addroundkey_data_i; sc_signal<bool> addroundkey_ready_o,next_addroundkey_ready_o; sc_signal<bool> addroundkey_start_i,next_addroundkey_start_i; sc_signal<sc_uint<4> > addroundkey_round,next_addroundkey_round; sc_signal<sc_uint<64> > next_last_key_half,last_key_half; sc_signal<bool> first_round_reg, next_first_round_reg; sc_biguint<128> t_concat; void registers(); void control(); void addroundkey(); void sbox_muxes(); sbox *sbox1; subbytes *sub1; mixcolum *mix1; keysched *ks1; SC_CTOR(aes){ sbox1=new sbox("sbox"); sub1= new subbytes("subbytes"); mix1= new mixcolum("mixcolum"); ks1= new keysched("keysched"); sbox1->clk(clk); sbox1->reset(reset); sbox1->data_i(sbox_data_i); sbox1->decrypt_i(sbox_decrypt_i); sbox1->data_o(sbox_data_o); sub1->clk(clk); sub1->reset(reset); sub1->start_i(subbytes_start_i); sub1->decrypt_i(decrypt_i); sub1->data_i(subbytes_data_i); sub1->ready_o(subbytes_ready_o); sub1->data_o(subbytes_data_o); sub1->sbox_data_o(subbytes_sbox_data_o); sub1->sbox_data_i(sbox_data_o); sub1->sbox_decrypt_o(subbytes_sbox_decrypt_o); mix1->clk(clk); mix1->reset(reset); mix1->decrypt_i(decrypt_i); mix1->start_i(mixcol_start_i); mix1->data_i(mixcol_data_i); mix1->ready_o(mixcol_ready_o); mix1->data_o(mixcol_data_o); ks1->clk(clk); ks1->reset(reset); ks1->start_i(keysched_start_i); ks1->round_i(keysched_round_i); ks1->last_key_i(keysched_last_key_i); ks1->new_key_o(keysched_new_key_o); ks1->ready_o(keysched_ready_o); ks1->sbox_access_o(keysched_sbox_access_o); ks1->sbox_data_o(keysched_sbox_data_o); ks1->sbox_data_i(sbox_data_o); ks1->sbox_decrypt_o(keysched_sbox_decrypt_o); //Always 0 SC_METHOD(registers); sensitive_pos << clk; sensitive_neg << reset; SC_METHOD(control); sensitive << state << round << addroundkey_data_o << data_i << load_i; sensitive << decrypt_i << addroundkey_ready_o << mixcol_ready_o << subbytes_ready_o; sensitive << subbytes_data_o << mixcol_data_o << first_round_reg; SC_METHOD(addroundkey); sensitive << addroundkey_data_i << addroundkey_start_i << addroundkey_data_reg << addroundkey_round << keysched_new_key_o << keysched_ready_o; sensitive << key_i << round << last_key_half; SC_METHOD(sbox_muxes); sensitive << keysched_sbox_access_o << keysched_sbox_decrypt_o << keysched_sbox_data_o << subbytes_sbox_decrypt_o << subbytes_sbox_data_o; } };