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Rev 21 → Rev 22

/trunk/rtl/systemc/aes192lowarea/adapt.h
0,0 → 1,68
//////////////////////////////////////////////////////////////////////
//// ////
//// sc_fifo to sc_signal adapter ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// 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 $
 
 
#include "systemc.h"
 
SC_MODULE(adapter){
sc_in<bool> clk;
sc_in<bool> rt_ready_i;
sc_in<sc_biguint<128> > rt_aes_data_i;
sc_fifo_out<sc_biguint<128> > rt_aes_data_o;
void adapt(){
while(1){
wait(clk->posedge_event());
if(rt_ready_i.read())
rt_aes_data_o.write(rt_aes_data_i.read());
}
}
SC_CTOR(adapter){
SC_THREAD(adapt);
}
};
/trunk/rtl/systemc/aes192lowarea/aesmodel.h
0,0 → 1,115
//////////////////////////////////////////////////////////////////////
//// ////
//// AES C behavioral model ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// C behavioral model used as golden model ////
//// ////
//// 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 $
 
#include "systemc.h"
 
SC_MODULE(aesmodel){
sc_fifo_in<bool> decrypt;
sc_fifo_in<sc_biguint<192> > aes_key_i;
sc_fifo_in<sc_biguint<128> > aes_data_i;
sc_fifo_out<sc_biguint<128> > aes_data_o;
void aes_thread(){
unsigned char aes_key[24],aes_data[16],aes_out[16];
sc_biguint<128> aes_data_i_var,aes_data_o_var;
sc_biguint<192> aes_key_i_var;
aes_context ctx;
while(1){
aes_data_i_var=aes_data_i.read();
aes_key_i_var=aes_key_i.read();
//Convert a sc_biguint<128> to an array of 8 char
aes_key[0]=(sc_uint<8>)aes_key_i_var.range(191,184);aes_key[1]=(sc_uint<8>)aes_key_i_var.range(183,176);aes_key[2]=(sc_uint<8>)aes_key_i_var.range(175,168);aes_key[3]=(sc_uint<8>)aes_key_i_var.range(167,160);
aes_key[4]=(sc_uint<8>)aes_key_i_var.range(159,152);aes_key[5]=(sc_uint<8>)aes_key_i_var.range(151,144);aes_key[6]=(sc_uint<8>)aes_key_i_var.range(143,136);aes_key[7]=(sc_uint<8>)aes_key_i_var.range(135,128);
aes_key[8]=(sc_uint<8>)aes_key_i_var.range(127,120);aes_key[9]=(sc_uint<8>)aes_key_i_var.range(119,112);aes_key[10]=(sc_uint<8>)aes_key_i_var.range(111,104);aes_key[11]=(sc_uint<8>)aes_key_i_var.range(103,96);
aes_key[12]=(sc_uint<8>)aes_key_i_var.range(95,88);aes_key[13]=(sc_uint<8>)aes_key_i_var.range(87,80);aes_key[14]=(sc_uint<8>)aes_key_i_var.range(79,72);aes_key[15]=(sc_uint<8>)aes_key_i_var.range(71,64);
aes_key[16]=(sc_uint<8>)aes_key_i_var.range(63,56);aes_key[17]=(sc_uint<8>)aes_key_i_var.range(55,48);aes_key[18]=(sc_uint<8>)aes_key_i_var.range(47,40);aes_key[19]=(sc_uint<8>)aes_key_i_var.range(39,32);
aes_key[20]=(sc_uint<8>)aes_key_i_var.range(31,24);aes_key[21]=(sc_uint<8>)aes_key_i_var.range(23,16);aes_key[22]=(sc_uint<8>)aes_key_i_var.range(15,8);aes_key[23]=(sc_uint<8>)aes_key_i_var.range(7,0);
aes_data[0]=(sc_uint<8>)aes_data_i_var.range(127,120);aes_data[1]=(sc_uint<8>)aes_data_i_var.range(119,112);aes_data[2]=(sc_uint<8>)aes_data_i_var.range(111,104);aes_data[3]=(sc_uint<8>)aes_data_i_var.range(103,96);
aes_data[4]=(sc_uint<8>)aes_data_i_var.range(95,88);aes_data[5]=(sc_uint<8>)aes_data_i_var.range(87,80);aes_data[6]=(sc_uint<8>)aes_data_i_var.range(79,72);aes_data[7]=(sc_uint<8>)aes_data_i_var.range(71,64);
aes_data[8]=(sc_uint<8>)aes_data_i_var.range(63,56);aes_data[9]=(sc_uint<8>)aes_data_i_var.range(55,48);aes_data[10]=(sc_uint<8>)aes_data_i_var.range(47,40);aes_data[11]=(sc_uint<8>)aes_data_i_var.range(39,32);
aes_data[12]=(sc_uint<8>)aes_data_i_var.range(31,24);aes_data[13]=(sc_uint<8>)aes_data_i_var.range(23,16);aes_data[14]=(sc_uint<8>)aes_data_i_var.range(15,8);aes_data[15]=(sc_uint<8>)aes_data_i_var.range(7,0);
if(!decrypt.read()){
// printf("C data: %X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X\n",aes_data[0],aes_data[1],aes_data[2],aes_data[3],aes_data[4],aes_data[5],aes_data[6],aes_data[7],aes_data[8],aes_data[9],aes_data[10],aes_data[11],aes_data[12],aes_data[13],aes_data[14],aes_data[15]);
// printf("C key: 0x%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X\n",aes_key[0],aes_key[1],aes_key[2],aes_key[3],aes_key[4],aes_key[5],aes_key[6],aes_key[7],aes_key[8],aes_key[9],aes_key[10],aes_key[11],aes_key[12],aes_key[13],aes_key[14],aes_key[15],aes_key[16],aes_key[17],aes_key[18],aes_key[19],aes_key[20],aes_key[21],aes_key[22],aes_key[23]);
aes_set_key( &ctx, aes_key, 192);
aes_encrypt( &ctx, aes_data, aes_data );
}else{
// cout << "Key_i: 0x" << (int)(sc_uint<32>)aes_key_i_var.range(191,160) << (int)(sc_uint<32>)aes_key_i_var.range(159,128) << (int)(sc_uint<32>)aes_key_i_var.range(127,96) << (int)(sc_uint<32>)aes_key_i_var.range(95,64) << (int)(sc_uint<32>)aes_key_i_var.range(63,32) << (int)(sc_uint<32>)aes_key_i_var.range(31,0) << endl;
// printf("C key: 0x%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X%X\n",aes_key[0],aes_key[1],aes_key[2],aes_key[3],aes_key[4],aes_key[5],aes_key[6],aes_key[7],aes_key[8],aes_key[9],aes_key[10],aes_key[11],aes_key[12],aes_key[13],aes_key[14],aes_key[15],aes_key[16],aes_key[17],aes_key[18],aes_key[19],aes_key[20],aes_key[21],aes_key[22],aes_key[23]);
aes_set_key( &ctx, aes_key, 192);
aes_decrypt( &ctx, aes_data, aes_data );
}
for(int i=0;i<16;i++)
aes_out[i]=aes_data[i];
aes_data_o_var.range(127,120)=aes_out[0];aes_data_o_var.range(119,112)=aes_out[1];aes_data_o_var.range(111,104)=aes_out[2];aes_data_o_var.range(103,96)=aes_out[3];
aes_data_o_var.range(95,88)=aes_out[4];aes_data_o_var.range(87,80)=aes_out[5];aes_data_o_var.range(79,72)=aes_out[6];aes_data_o_var.range(71,64)=aes_out[7];
aes_data_o_var.range(63,56)=aes_out[8];aes_data_o_var.range(55,48)=aes_out[9];aes_data_o_var.range(47,40)=aes_out[10];aes_data_o_var.range(39,32)=aes_out[11];
aes_data_o_var.range(31,24)=aes_out[12];aes_data_o_var.range(23,16)=aes_out[13];aes_data_o_var.range(15,8)=aes_out[14];aes_data_o_var.range(7,0)=aes_out[15];
aes_data_o.write(aes_data_o_var);
}
}
 
SC_CTOR(aesmodel){
 
SC_THREAD(aes_thread);
}
};
/trunk/rtl/systemc/aes192lowarea/subbytes.cpp
0,0 → 1,202
//////////////////////////////////////////////////////////////////////
//// ////
//// AES subbytes module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Subbytes stage implementation for AES algorithm ////
//// ////
//// 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 $
 
#include "subbytes.h"
 
#define assign_array_to_128() \
{ \
data_reg_128.range(127,120)=data_reg_var[0]; \
data_reg_128.range(119,112)=data_reg_var[1]; \
data_reg_128.range(111,104)=data_reg_var[2]; \
data_reg_128.range(103,96)=data_reg_var[3]; \
data_reg_128.range(95,88)=data_reg_var[4]; \
data_reg_128.range(87,80)=data_reg_var[5]; \
data_reg_128.range(79,72)=data_reg_var[6]; \
data_reg_128.range(71,64)=data_reg_var[7]; \
data_reg_128.range(63,56)=data_reg_var[8]; \
data_reg_128.range(55,48)=data_reg_var[9]; \
data_reg_128.range(47,40)=data_reg_var[10]; \
data_reg_128.range(39,32)=data_reg_var[11]; \
data_reg_128.range(31,24)=data_reg_var[12]; \
data_reg_128.range(23,16)=data_reg_var[13]; \
data_reg_128.range(15,8)=data_reg_var[14]; \
data_reg_128.range(7,0)=data_reg_var[15]; \
}
 
#define shift_array_to_128() \
{ \
data_reg_128.range(127,120)=data_reg_var[0]; \
data_reg_128.range(119,112)=data_reg_var[5]; \
data_reg_128.range(111,104)=data_reg_var[10]; \
data_reg_128.range(103,96)=data_reg_var[15]; \
data_reg_128.range(95,88)=data_reg_var[4]; \
data_reg_128.range(87,80)=data_reg_var[9]; \
data_reg_128.range(79,72)=data_reg_var[14]; \
data_reg_128.range(71,64)=data_reg_var[3]; \
data_reg_128.range(63,56)=data_reg_var[8]; \
data_reg_128.range(55,48)=data_reg_var[13]; \
data_reg_128.range(47,40)=data_reg_var[2]; \
data_reg_128.range(39,32)=data_reg_var[7]; \
data_reg_128.range(31,24)=data_reg_var[12]; \
data_reg_128.range(23,16)=data_reg_var[1]; \
data_reg_128.range(15,8)=data_reg_var[6]; \
data_reg_128.range(7,0)=data_reg_var[11]; \
}
 
#define invert_shift_array_to_128() \
{ \
data_reg_128.range(127,120)=data_reg_var[0]; \
data_reg_128.range(119,112)=data_reg_var[13]; \
data_reg_128.range(111,104)=data_reg_var[10]; \
data_reg_128.range(103,96)=data_reg_var[7]; \
data_reg_128.range(95,88)=data_reg_var[4]; \
data_reg_128.range(87,80)=data_reg_var[1]; \
data_reg_128.range(79,72)=data_reg_var[14]; \
data_reg_128.range(71,64)=data_reg_var[11]; \
data_reg_128.range(63,56)=data_reg_var[8]; \
data_reg_128.range(55,48)=data_reg_var[5]; \
data_reg_128.range(47,40)=data_reg_var[2]; \
data_reg_128.range(39,32)=data_reg_var[15]; \
data_reg_128.range(31,24)=data_reg_var[12]; \
data_reg_128.range(23,16)=data_reg_var[9]; \
data_reg_128.range(15,8)=data_reg_var[6]; \
data_reg_128.range(7,0)=data_reg_var[3]; \
}
 
void subbytes::sub(){
sc_biguint<128> data_i_var,data_reg_128;
sc_uint<8> data_array[16],data_reg_var[16];
data_i_var=data_i.read();
data_array[0]=data_i_var.range(127,120);
data_array[1]=data_i_var.range(119,112);
data_array[2]=data_i_var.range(111,104);
data_array[3]=data_i_var.range(103,96);
data_array[4]=data_i_var.range(95,88);
data_array[5]=data_i_var.range(87,80);
data_array[6]=data_i_var.range(79,72);
data_array[7]=data_i_var.range(71,64);
data_array[8]=data_i_var.range(63,56);
data_array[9]=data_i_var.range(55,48);
data_array[10]=data_i_var.range(47,40);
data_array[11]=data_i_var.range(39,32);
data_array[12]=data_i_var.range(31,24);
data_array[13]=data_i_var.range(23,16);
data_array[14]=data_i_var.range(15,8);
data_array[15]=data_i_var.range(7,0);
data_reg_var[0]=data_reg.read().range(127,120);
data_reg_var[1]=data_reg.read().range(119,112);
data_reg_var[2]=data_reg.read().range(111,104);
data_reg_var[3]=data_reg.read().range(103,96);
data_reg_var[4]=data_reg.read().range(95,88);
data_reg_var[5]=data_reg.read().range(87,80);
data_reg_var[6]=data_reg.read().range(79,72);
data_reg_var[7]=data_reg.read().range(71,64);
data_reg_var[8]=data_reg.read().range(63,56);
data_reg_var[9]=data_reg.read().range(55,48);
data_reg_var[10]=data_reg.read().range(47,40);
data_reg_var[11]=data_reg.read().range(39,32);
data_reg_var[12]=data_reg.read().range(31,24);
data_reg_var[13]=data_reg.read().range(23,16);
data_reg_var[14]=data_reg.read().range(15,8);
data_reg_var[15]=data_reg.read().range(7,0);
sbox_decrypt_o.write(decrypt_i.read());
sbox_data_o.write(0);
next_state.write(state.read());
next_data_reg.write(data_reg.read());
next_ready_o.write(0);
data_o.write(data_reg.read());
switch(state.read()){
case 0:
if(start_i.read()){
sbox_data_o.write(data_array[0]);
next_state.write(1);
}
break;
case 16:
data_reg_var[15]=sbox_data_i.read();
//Make shift rows stage
switch(decrypt_i.read()){
case 0:
shift_array_to_128();
break;
case 1:
invert_shift_array_to_128();
break;
}
next_data_reg.write(data_reg_128);
next_ready_o.write(1);
next_state.write(0);
break;
default:
sbox_data_o.write(data_array[(int)state.read()]);
data_reg_var[(int)state.read()-1]=sbox_data_i.read();
assign_array_to_128();
next_data_reg.write(data_reg_128);
next_state.write(state.read()+1);
break;
}
}
 
void subbytes::registers(){
if(!reset.read()){
data_reg.write(0);
state.write(0);
ready_o.write(0);
}else{
data_reg.write(next_data_reg.read());
state.write(next_state.read());
ready_o.write(next_ready_o.read());
}
}
/trunk/rtl/systemc/aes192lowarea/keysched192.h
0,0 → 1,91
//////////////////////////////////////////////////////////////////////
//// ////
//// AES key schedule implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Generate the next round key from the previous one ////
//// ////
//// 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 $
 
#include "systemc.h"
 
SC_MODULE(keysched){
sc_in<bool> clk;
sc_in<bool> reset;
sc_in<bool> start_i;
sc_in<sc_uint<4> > round_i;
sc_in<sc_biguint<192> > last_key_i;
sc_out<sc_biguint<192> > new_key_o;
sc_out<bool> ready_o;
//To Sbox
//Indicates an access to sbox to arbitrate with the subbytes stage
sc_out<bool> sbox_access_o;
sc_out<sc_uint<8> > sbox_data_o;
sc_in<sc_uint<8> > sbox_data_i;
sc_out<bool> sbox_decrypt_o; //Always 0
void rcon();
void generate_key();
void registers();
void muxes();
sc_signal<sc_uint<3> > next_state,state;
sc_signal<sc_uint<8> > rcon_o;
sc_signal<sc_uint<32> > next_col,col;
sc_signal<sc_biguint<192> > key_reg,next_key_reg;
sc_signal<bool> next_ready_o;
SC_CTOR(keysched){
SC_METHOD(rcon);
sensitive << round_i;
SC_METHOD(registers);
sensitive_pos << clk;
sensitive_neg << reset;
SC_METHOD(generate_key);
sensitive << start_i << last_key_i << sbox_data_i << state << rcon_o << col << key_reg;
}
};
/trunk/rtl/systemc/aes192lowarea/mixcolum.h
0,0 → 1,100
//////////////////////////////////////////////////////////////////////
//// ////
//// AES moxcolum module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Mixcolum stage implementation for AES algorithm ////
//// ////
//// 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 $
 
#include "systemc.h"
#include "word_mixcolum.h"
 
SC_MODULE(mixcolum){
 
sc_in<bool> clk;
sc_in<bool> reset;
sc_in<bool> decrypt_i;
sc_in<bool> start_i;
sc_in<sc_biguint<128> > data_i;
sc_out<bool> ready_o;
sc_out<sc_biguint<128> > data_o;
sc_signal<sc_biguint<128> > data_reg,next_data_reg,data_o_reg,next_data_o;
sc_signal<bool> next_ready_o;
void mixcol();
void registers();
void mux();
void assign_data_o();
sc_signal<sc_uint<2> > state,next_state;
sc_signal<sc_uint<32> > outx,outy,mix_word,outmux;
word_mixcolum *w1;
SC_CTOR(mixcolum){
w1=new word_mixcolum("w1");
w1->in(mix_word);
w1->outx(outx);
w1->outy(outy);
SC_METHOD(assign_data_o);
sensitive << data_o_reg;
SC_METHOD(mux);
sensitive << outx << outy;
SC_METHOD(registers);
sensitive_pos << clk;
sensitive_neg << reset;
SC_METHOD(mixcol);
sensitive << decrypt_i << start_i << state << data_reg << outmux << data_o_reg;
}
};
/trunk/rtl/systemc/aes192lowarea/subbytes.h
0,0 → 1,83
//////////////////////////////////////////////////////////////////////
//// ////
//// AES subbytes module header ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Subbytes stage header for AES algorithm ////
//// ////
//// 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 $
 
#include "systemc.h"
 
SC_MODULE(subbytes){
 
sc_in<bool> clk;
sc_in<bool> reset;
sc_in<bool> start_i;
sc_in<bool> decrypt_i;
sc_in<sc_biguint<128> > data_i;
sc_out<bool> ready_o;
sc_out<sc_biguint<128> > data_o;
//To sbox
sc_out<sc_uint<8> > sbox_data_o;
sc_in<sc_uint<8> > sbox_data_i;
sc_out<bool> sbox_decrypt_o;
void sub();
void registers();
sc_signal<sc_uint<5> > state,next_state;
sc_signal<sc_biguint<128> > data_reg,next_data_reg;
sc_signal<bool> next_ready_o;
SC_CTOR(subbytes){
SC_METHOD(registers);
sensitive_pos << clk;
sensitive_neg << reset;
SC_METHOD(sub);
sensitive << decrypt_i << start_i << state << data_i << sbox_data_i << data_reg;
}
};
/trunk/rtl/systemc/aes192lowarea/aesfunctions.h
0,0 → 1,761
#ifndef _AES_H
#define _AES_H
 
#ifndef uint8
#define uint8 unsigned char
#endif
 
#ifndef uint32
#define uint32 unsigned long int
#endif
 
typedef struct
{
uint32 erk[64]; /* encryption round keys */
uint32 drk[64]; /* decryption round keys */
int nr; /* number of rounds */
}
aes_context;
 
int aes_set_key( aes_context *ctx, uint8 *key, int nbits );
void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
 
#endif /* aes.h */
 
 
#define FIXED_TABLES
 
#ifndef FIXED_TABLES
 
/* forward S-box & tables */
 
uint32 FSb[256];
uint32 FT0[256];
uint32 FT1[256];
uint32 FT2[256];
uint32 FT3[256];
 
/* reverse S-box & tables */
 
uint32 RSb[256];
uint32 RT0[256];
uint32 RT1[256];
uint32 RT2[256];
uint32 RT3[256];
 
/* round constants */
 
uint32 RCON[10];
 
/* tables generation flag */
 
int do_init = 1;
 
/* tables generation routine */
 
#define ROTR8(x) ( ( ( x << 24 ) & 0xFFFFFFFF ) | \
( ( x & 0xFFFFFFFF ) >> 8 ) )
 
#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
#define MUL(x,y) ( ( x && y ) ? pow[(log[x] + log[y]) % 255] : 0 )
 
void aes_gen_tables( void )
{
int i;
uint8 x, y;
uint8 pow[256];
uint8 log[256];
 
/* compute pow and log tables over GF(2^8) */
 
for( i = 0, x = 1; i < 256; i++, x ^= XTIME( x ) )
{
pow[i] = x;
log[x] = i;
}
 
/* calculate the round constants */
 
for( i = 0, x = 1; i < 10; i++, x = XTIME( x ) )
{
RCON[i] = (uint32) x << 24;
}
 
/* generate the forward and reverse S-boxes */
 
FSb[0x00] = 0x63;
RSb[0x63] = 0x00;
 
for( i = 1; i < 256; i++ )
{
x = pow[255 - log[i]];
 
y = x; y = ( y << 1 ) | ( y >> 7 );
x ^= y; y = ( y << 1 ) | ( y >> 7 );
x ^= y; y = ( y << 1 ) | ( y >> 7 );
x ^= y; y = ( y << 1 ) | ( y >> 7 );
x ^= y ^ 0x63;
 
FSb[i] = x;
RSb[x] = i;
}
 
/* generate the forward and reverse tables */
 
for( i = 0; i < 256; i++ )
{
x = (unsigned char) FSb[i]; y = XTIME( x );
 
FT0[i] = (uint32) ( x ^ y ) ^
( (uint32) x << 8 ) ^
( (uint32) x << 16 ) ^
( (uint32) y << 24 );
 
FT0[i] &= 0xFFFFFFFF;
 
FT1[i] = ROTR8( FT0[i] );
FT2[i] = ROTR8( FT1[i] );
FT3[i] = ROTR8( FT2[i] );
 
y = (unsigned char) RSb[i];
 
RT0[i] = ( (uint32) MUL( 0x0B, y ) ) ^
( (uint32) MUL( 0x0D, y ) << 8 ) ^
( (uint32) MUL( 0x09, y ) << 16 ) ^
( (uint32) MUL( 0x0E, y ) << 24 );
 
RT0[i] &= 0xFFFFFFFF;
 
RT1[i] = ROTR8( RT0[i] );
RT2[i] = ROTR8( RT1[i] );
RT3[i] = ROTR8( RT2[i] );
}
}
 
#else
 
/* forward S-box */
 
static const uint32 FSb[256] =
{
0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
};
 
/* forward tables */
 
#define FT \
\
V(C6,63,63,A5), V(F8,7C,7C,84), V(EE,77,77,99), V(F6,7B,7B,8D), \
V(FF,F2,F2,0D), V(D6,6B,6B,BD), V(DE,6F,6F,B1), V(91,C5,C5,54), \
V(60,30,30,50), V(02,01,01,03), V(CE,67,67,A9), V(56,2B,2B,7D), \
V(E7,FE,FE,19), V(B5,D7,D7,62), V(4D,AB,AB,E6), V(EC,76,76,9A), \
V(8F,CA,CA,45), V(1F,82,82,9D), V(89,C9,C9,40), V(FA,7D,7D,87), \
V(EF,FA,FA,15), V(B2,59,59,EB), V(8E,47,47,C9), V(FB,F0,F0,0B), \
V(41,AD,AD,EC), V(B3,D4,D4,67), V(5F,A2,A2,FD), V(45,AF,AF,EA), \
V(23,9C,9C,BF), V(53,A4,A4,F7), V(E4,72,72,96), V(9B,C0,C0,5B), \
V(75,B7,B7,C2), V(E1,FD,FD,1C), V(3D,93,93,AE), V(4C,26,26,6A), \
V(6C,36,36,5A), V(7E,3F,3F,41), V(F5,F7,F7,02), V(83,CC,CC,4F), \
V(68,34,34,5C), V(51,A5,A5,F4), V(D1,E5,E5,34), V(F9,F1,F1,08), \
V(E2,71,71,93), V(AB,D8,D8,73), V(62,31,31,53), V(2A,15,15,3F), \
V(08,04,04,0C), V(95,C7,C7,52), V(46,23,23,65), V(9D,C3,C3,5E), \
V(30,18,18,28), V(37,96,96,A1), V(0A,05,05,0F), V(2F,9A,9A,B5), \
V(0E,07,07,09), V(24,12,12,36), V(1B,80,80,9B), V(DF,E2,E2,3D), \
V(CD,EB,EB,26), V(4E,27,27,69), V(7F,B2,B2,CD), V(EA,75,75,9F), \
V(12,09,09,1B), V(1D,83,83,9E), V(58,2C,2C,74), V(34,1A,1A,2E), \
V(36,1B,1B,2D), V(DC,6E,6E,B2), V(B4,5A,5A,EE), V(5B,A0,A0,FB), \
V(A4,52,52,F6), V(76,3B,3B,4D), V(B7,D6,D6,61), V(7D,B3,B3,CE), \
V(52,29,29,7B), V(DD,E3,E3,3E), V(5E,2F,2F,71), V(13,84,84,97), \
V(A6,53,53,F5), V(B9,D1,D1,68), V(00,00,00,00), V(C1,ED,ED,2C), \
V(40,20,20,60), V(E3,FC,FC,1F), V(79,B1,B1,C8), V(B6,5B,5B,ED), \
V(D4,6A,6A,BE), V(8D,CB,CB,46), V(67,BE,BE,D9), V(72,39,39,4B), \
V(94,4A,4A,DE), V(98,4C,4C,D4), V(B0,58,58,E8), V(85,CF,CF,4A), \
V(BB,D0,D0,6B), V(C5,EF,EF,2A), V(4F,AA,AA,E5), V(ED,FB,FB,16), \
V(86,43,43,C5), V(9A,4D,4D,D7), V(66,33,33,55), V(11,85,85,94), \
V(8A,45,45,CF), V(E9,F9,F9,10), V(04,02,02,06), V(FE,7F,7F,81), \
V(A0,50,50,F0), V(78,3C,3C,44), V(25,9F,9F,BA), V(4B,A8,A8,E3), \
V(A2,51,51,F3), V(5D,A3,A3,FE), V(80,40,40,C0), V(05,8F,8F,8A), \
V(3F,92,92,AD), V(21,9D,9D,BC), V(70,38,38,48), V(F1,F5,F5,04), \
V(63,BC,BC,DF), V(77,B6,B6,C1), V(AF,DA,DA,75), V(42,21,21,63), \
V(20,10,10,30), V(E5,FF,FF,1A), V(FD,F3,F3,0E), V(BF,D2,D2,6D), \
V(81,CD,CD,4C), V(18,0C,0C,14), V(26,13,13,35), V(C3,EC,EC,2F), \
V(BE,5F,5F,E1), V(35,97,97,A2), V(88,44,44,CC), V(2E,17,17,39), \
V(93,C4,C4,57), V(55,A7,A7,F2), V(FC,7E,7E,82), V(7A,3D,3D,47), \
V(C8,64,64,AC), V(BA,5D,5D,E7), V(32,19,19,2B), V(E6,73,73,95), \
V(C0,60,60,A0), V(19,81,81,98), V(9E,4F,4F,D1), V(A3,DC,DC,7F), \
V(44,22,22,66), V(54,2A,2A,7E), V(3B,90,90,AB), V(0B,88,88,83), \
V(8C,46,46,CA), V(C7,EE,EE,29), V(6B,B8,B8,D3), V(28,14,14,3C), \
V(A7,DE,DE,79), V(BC,5E,5E,E2), V(16,0B,0B,1D), V(AD,DB,DB,76), \
V(DB,E0,E0,3B), V(64,32,32,56), V(74,3A,3A,4E), V(14,0A,0A,1E), \
V(92,49,49,DB), V(0C,06,06,0A), V(48,24,24,6C), V(B8,5C,5C,E4), \
V(9F,C2,C2,5D), V(BD,D3,D3,6E), V(43,AC,AC,EF), V(C4,62,62,A6), \
V(39,91,91,A8), V(31,95,95,A4), V(D3,E4,E4,37), V(F2,79,79,8B), \
V(D5,E7,E7,32), V(8B,C8,C8,43), V(6E,37,37,59), V(DA,6D,6D,B7), \
V(01,8D,8D,8C), V(B1,D5,D5,64), V(9C,4E,4E,D2), V(49,A9,A9,E0), \
V(D8,6C,6C,B4), V(AC,56,56,FA), V(F3,F4,F4,07), V(CF,EA,EA,25), \
V(CA,65,65,AF), V(F4,7A,7A,8E), V(47,AE,AE,E9), V(10,08,08,18), \
V(6F,BA,BA,D5), V(F0,78,78,88), V(4A,25,25,6F), V(5C,2E,2E,72), \
V(38,1C,1C,24), V(57,A6,A6,F1), V(73,B4,B4,C7), V(97,C6,C6,51), \
V(CB,E8,E8,23), V(A1,DD,DD,7C), V(E8,74,74,9C), V(3E,1F,1F,21), \
V(96,4B,4B,DD), V(61,BD,BD,DC), V(0D,8B,8B,86), V(0F,8A,8A,85), \
V(E0,70,70,90), V(7C,3E,3E,42), V(71,B5,B5,C4), V(CC,66,66,AA), \
V(90,48,48,D8), V(06,03,03,05), V(F7,F6,F6,01), V(1C,0E,0E,12), \
V(C2,61,61,A3), V(6A,35,35,5F), V(AE,57,57,F9), V(69,B9,B9,D0), \
V(17,86,86,91), V(99,C1,C1,58), V(3A,1D,1D,27), V(27,9E,9E,B9), \
V(D9,E1,E1,38), V(EB,F8,F8,13), V(2B,98,98,B3), V(22,11,11,33), \
V(D2,69,69,BB), V(A9,D9,D9,70), V(07,8E,8E,89), V(33,94,94,A7), \
V(2D,9B,9B,B6), V(3C,1E,1E,22), V(15,87,87,92), V(C9,E9,E9,20), \
V(87,CE,CE,49), V(AA,55,55,FF), V(50,28,28,78), V(A5,DF,DF,7A), \
V(03,8C,8C,8F), V(59,A1,A1,F8), V(09,89,89,80), V(1A,0D,0D,17), \
V(65,BF,BF,DA), V(D7,E6,E6,31), V(84,42,42,C6), V(D0,68,68,B8), \
V(82,41,41,C3), V(29,99,99,B0), V(5A,2D,2D,77), V(1E,0F,0F,11), \
V(7B,B0,B0,CB), V(A8,54,54,FC), V(6D,BB,BB,D6), V(2C,16,16,3A)
 
#define V(a,b,c,d) 0x##a##b##c##d
static const uint32 FT0[256] = { FT };
#undef V
 
#define V(a,b,c,d) 0x##d##a##b##c
static const uint32 FT1[256] = { FT };
#undef V
 
#define V(a,b,c,d) 0x##c##d##a##b
static const uint32 FT2[256] = { FT };
#undef V
 
#define V(a,b,c,d) 0x##b##c##d##a
static const uint32 FT3[256] = { FT };
#undef V
 
#undef FT
 
/* reverse S-box */
 
static const uint32 RSb[256] =
{
0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
};
 
/* reverse tables */
 
#define RT \
\
V(51,F4,A7,50), V(7E,41,65,53), V(1A,17,A4,C3), V(3A,27,5E,96), \
V(3B,AB,6B,CB), V(1F,9D,45,F1), V(AC,FA,58,AB), V(4B,E3,03,93), \
V(20,30,FA,55), V(AD,76,6D,F6), V(88,CC,76,91), V(F5,02,4C,25), \
V(4F,E5,D7,FC), V(C5,2A,CB,D7), V(26,35,44,80), V(B5,62,A3,8F), \
V(DE,B1,5A,49), V(25,BA,1B,67), V(45,EA,0E,98), V(5D,FE,C0,E1), \
V(C3,2F,75,02), V(81,4C,F0,12), V(8D,46,97,A3), V(6B,D3,F9,C6), \
V(03,8F,5F,E7), V(15,92,9C,95), V(BF,6D,7A,EB), V(95,52,59,DA), \
V(D4,BE,83,2D), V(58,74,21,D3), V(49,E0,69,29), V(8E,C9,C8,44), \
V(75,C2,89,6A), V(F4,8E,79,78), V(99,58,3E,6B), V(27,B9,71,DD), \
V(BE,E1,4F,B6), V(F0,88,AD,17), V(C9,20,AC,66), V(7D,CE,3A,B4), \
V(63,DF,4A,18), V(E5,1A,31,82), V(97,51,33,60), V(62,53,7F,45), \
V(B1,64,77,E0), V(BB,6B,AE,84), V(FE,81,A0,1C), V(F9,08,2B,94), \
V(70,48,68,58), V(8F,45,FD,19), V(94,DE,6C,87), V(52,7B,F8,B7), \
V(AB,73,D3,23), V(72,4B,02,E2), V(E3,1F,8F,57), V(66,55,AB,2A), \
V(B2,EB,28,07), V(2F,B5,C2,03), V(86,C5,7B,9A), V(D3,37,08,A5), \
V(30,28,87,F2), V(23,BF,A5,B2), V(02,03,6A,BA), V(ED,16,82,5C), \
V(8A,CF,1C,2B), V(A7,79,B4,92), V(F3,07,F2,F0), V(4E,69,E2,A1), \
V(65,DA,F4,CD), V(06,05,BE,D5), V(D1,34,62,1F), V(C4,A6,FE,8A), \
V(34,2E,53,9D), V(A2,F3,55,A0), V(05,8A,E1,32), V(A4,F6,EB,75), \
V(0B,83,EC,39), V(40,60,EF,AA), V(5E,71,9F,06), V(BD,6E,10,51), \
V(3E,21,8A,F9), V(96,DD,06,3D), V(DD,3E,05,AE), V(4D,E6,BD,46), \
V(91,54,8D,B5), V(71,C4,5D,05), V(04,06,D4,6F), V(60,50,15,FF), \
V(19,98,FB,24), V(D6,BD,E9,97), V(89,40,43,CC), V(67,D9,9E,77), \
V(B0,E8,42,BD), V(07,89,8B,88), V(E7,19,5B,38), V(79,C8,EE,DB), \
V(A1,7C,0A,47), V(7C,42,0F,E9), V(F8,84,1E,C9), V(00,00,00,00), \
V(09,80,86,83), V(32,2B,ED,48), V(1E,11,70,AC), V(6C,5A,72,4E), \
V(FD,0E,FF,FB), V(0F,85,38,56), V(3D,AE,D5,1E), V(36,2D,39,27), \
V(0A,0F,D9,64), V(68,5C,A6,21), V(9B,5B,54,D1), V(24,36,2E,3A), \
V(0C,0A,67,B1), V(93,57,E7,0F), V(B4,EE,96,D2), V(1B,9B,91,9E), \
V(80,C0,C5,4F), V(61,DC,20,A2), V(5A,77,4B,69), V(1C,12,1A,16), \
V(E2,93,BA,0A), V(C0,A0,2A,E5), V(3C,22,E0,43), V(12,1B,17,1D), \
V(0E,09,0D,0B), V(F2,8B,C7,AD), V(2D,B6,A8,B9), V(14,1E,A9,C8), \
V(57,F1,19,85), V(AF,75,07,4C), V(EE,99,DD,BB), V(A3,7F,60,FD), \
V(F7,01,26,9F), V(5C,72,F5,BC), V(44,66,3B,C5), V(5B,FB,7E,34), \
V(8B,43,29,76), V(CB,23,C6,DC), V(B6,ED,FC,68), V(B8,E4,F1,63), \
V(D7,31,DC,CA), V(42,63,85,10), V(13,97,22,40), V(84,C6,11,20), \
V(85,4A,24,7D), V(D2,BB,3D,F8), V(AE,F9,32,11), V(C7,29,A1,6D), \
V(1D,9E,2F,4B), V(DC,B2,30,F3), V(0D,86,52,EC), V(77,C1,E3,D0), \
V(2B,B3,16,6C), V(A9,70,B9,99), V(11,94,48,FA), V(47,E9,64,22), \
V(A8,FC,8C,C4), V(A0,F0,3F,1A), V(56,7D,2C,D8), V(22,33,90,EF), \
V(87,49,4E,C7), V(D9,38,D1,C1), V(8C,CA,A2,FE), V(98,D4,0B,36), \
V(A6,F5,81,CF), V(A5,7A,DE,28), V(DA,B7,8E,26), V(3F,AD,BF,A4), \
V(2C,3A,9D,E4), V(50,78,92,0D), V(6A,5F,CC,9B), V(54,7E,46,62), \
V(F6,8D,13,C2), V(90,D8,B8,E8), V(2E,39,F7,5E), V(82,C3,AF,F5), \
V(9F,5D,80,BE), V(69,D0,93,7C), V(6F,D5,2D,A9), V(CF,25,12,B3), \
V(C8,AC,99,3B), V(10,18,7D,A7), V(E8,9C,63,6E), V(DB,3B,BB,7B), \
V(CD,26,78,09), V(6E,59,18,F4), V(EC,9A,B7,01), V(83,4F,9A,A8), \
V(E6,95,6E,65), V(AA,FF,E6,7E), V(21,BC,CF,08), V(EF,15,E8,E6), \
V(BA,E7,9B,D9), V(4A,6F,36,CE), V(EA,9F,09,D4), V(29,B0,7C,D6), \
V(31,A4,B2,AF), V(2A,3F,23,31), V(C6,A5,94,30), V(35,A2,66,C0), \
V(74,4E,BC,37), V(FC,82,CA,A6), V(E0,90,D0,B0), V(33,A7,D8,15), \
V(F1,04,98,4A), V(41,EC,DA,F7), V(7F,CD,50,0E), V(17,91,F6,2F), \
V(76,4D,D6,8D), V(43,EF,B0,4D), V(CC,AA,4D,54), V(E4,96,04,DF), \
V(9E,D1,B5,E3), V(4C,6A,88,1B), V(C1,2C,1F,B8), V(46,65,51,7F), \
V(9D,5E,EA,04), V(01,8C,35,5D), V(FA,87,74,73), V(FB,0B,41,2E), \
V(B3,67,1D,5A), V(92,DB,D2,52), V(E9,10,56,33), V(6D,D6,47,13), \
V(9A,D7,61,8C), V(37,A1,0C,7A), V(59,F8,14,8E), V(EB,13,3C,89), \
V(CE,A9,27,EE), V(B7,61,C9,35), V(E1,1C,E5,ED), V(7A,47,B1,3C), \
V(9C,D2,DF,59), V(55,F2,73,3F), V(18,14,CE,79), V(73,C7,37,BF), \
V(53,F7,CD,EA), V(5F,FD,AA,5B), V(DF,3D,6F,14), V(78,44,DB,86), \
V(CA,AF,F3,81), V(B9,68,C4,3E), V(38,24,34,2C), V(C2,A3,40,5F), \
V(16,1D,C3,72), V(BC,E2,25,0C), V(28,3C,49,8B), V(FF,0D,95,41), \
V(39,A8,01,71), V(08,0C,B3,DE), V(D8,B4,E4,9C), V(64,56,C1,90), \
V(7B,CB,84,61), V(D5,32,B6,70), V(48,6C,5C,74), V(D0,B8,57,42)
 
#define V(a,b,c,d) 0x##a##b##c##d
static const uint32 RT0[256] = { RT };
#undef V
 
#define V(a,b,c,d) 0x##d##a##b##c
static const uint32 RT1[256] = { RT };
#undef V
 
#define V(a,b,c,d) 0x##c##d##a##b
static const uint32 RT2[256] = { RT };
#undef V
 
#define V(a,b,c,d) 0x##b##c##d##a
static const uint32 RT3[256] = { RT };
#undef V
 
#undef RT
 
/* round constants */
 
static const uint32 RCON[10] =
{
0x01000000, 0x02000000, 0x04000000, 0x08000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x1B000000, 0x36000000
};
 
int do_init = 0;
 
void aes_gen_tables( void )
{
}
 
#endif
 
/* platform-independant 32-bit integer manipulation macros */
 
#define GET_UINT32(n,b,i) \
{ \
(n) = ( (uint32) (b)[(i) ] << 24 ) \
| ( (uint32) (b)[(i) + 1] << 16 ) \
| ( (uint32) (b)[(i) + 2] << 8 ) \
| ( (uint32) (b)[(i) + 3] ); \
}
 
#define PUT_UINT32(n,b,i) \
{ \
(b)[(i) ] = (uint8) ( (n) >> 24 ); \
(b)[(i) + 1] = (uint8) ( (n) >> 16 ); \
(b)[(i) + 2] = (uint8) ( (n) >> 8 ); \
(b)[(i) + 3] = (uint8) ( (n) ); \
}
 
/* decryption key schedule tables */
 
int KT_init = 1;
 
uint32 KT0[256];
uint32 KT1[256];
uint32 KT2[256];
uint32 KT3[256];
 
/* AES key scheduling routine */
 
int aes_set_key( aes_context *ctx, uint8 *key, int nbits )
{
int i;
uint32 *RK, *SK;
 
if( do_init )
{
aes_gen_tables();
 
do_init = 0;
}
 
switch( nbits )
{
case 128: ctx->nr = 10; break;
case 192: ctx->nr = 12; break;
case 256: ctx->nr = 14; break;
default : return( 1 );
}
 
RK = ctx->erk;
 
for( i = 0; i < (nbits >> 5); i++ )
{
GET_UINT32( RK[i], key, i * 4 );
}
 
/* setup encryption round keys */
 
switch( nbits )
{
case 128:
 
for( i = 0; i < 10; i++, RK += 4 )
{
RK[4] = RK[0] ^ RCON[i] ^
( FSb[ (uint8) ( RK[3] >> 16 ) ] << 24 ) ^
( FSb[ (uint8) ( RK[3] >> 8 ) ] << 16 ) ^
( FSb[ (uint8) ( RK[3] ) ] << 8 ) ^
( FSb[ (uint8) ( RK[3] >> 24 ) ] );
 
RK[5] = RK[1] ^ RK[4];
RK[6] = RK[2] ^ RK[5];
RK[7] = RK[3] ^ RK[6];
}
break;
 
case 192:
 
for( i = 0; i < 8; i++, RK += 6 )
{
RK[6] = RK[0] ^ RCON[i] ^
( FSb[ (uint8) ( RK[5] >> 16 ) ] << 24 ) ^
( FSb[ (uint8) ( RK[5] >> 8 ) ] << 16 ) ^
( FSb[ (uint8) ( RK[5] ) ] << 8 ) ^
( FSb[ (uint8) ( RK[5] >> 24 ) ] );
 
RK[7] = RK[1] ^ RK[6];
RK[8] = RK[2] ^ RK[7];
RK[9] = RK[3] ^ RK[8];
RK[10] = RK[4] ^ RK[9];
RK[11] = RK[5] ^ RK[10];
}
break;
 
case 256:
 
for( i = 0; i < 7; i++, RK += 8 )
{
RK[8] = RK[0] ^ RCON[i] ^
( FSb[ (uint8) ( RK[7] >> 16 ) ] << 24 ) ^
( FSb[ (uint8) ( RK[7] >> 8 ) ] << 16 ) ^
( FSb[ (uint8) ( RK[7] ) ] << 8 ) ^
( FSb[ (uint8) ( RK[7] >> 24 ) ] );
 
RK[9] = RK[1] ^ RK[8];
RK[10] = RK[2] ^ RK[9];
RK[11] = RK[3] ^ RK[10];
 
RK[12] = RK[4] ^
( FSb[ (uint8) ( RK[11] >> 24 ) ] << 24 ) ^
( FSb[ (uint8) ( RK[11] >> 16 ) ] << 16 ) ^
( FSb[ (uint8) ( RK[11] >> 8 ) ] << 8 ) ^
( FSb[ (uint8) ( RK[11] ) ] );
 
RK[13] = RK[5] ^ RK[12];
RK[14] = RK[6] ^ RK[13];
RK[15] = RK[7] ^ RK[14];
}
break;
}
 
/* setup decryption round keys */
 
if( KT_init )
{
for( i = 0; i < 256; i++ )
{
KT0[i] = RT0[ FSb[i] ];
KT1[i] = RT1[ FSb[i] ];
KT2[i] = RT2[ FSb[i] ];
KT3[i] = RT3[ FSb[i] ];
}
 
KT_init = 0;
}
 
SK = ctx->drk;
 
*SK++ = *RK++;
*SK++ = *RK++;
*SK++ = *RK++;
*SK++ = *RK++;
 
for( i = 1; i < ctx->nr; i++ )
{
RK -= 8;
 
*SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
KT1[ (uint8) ( *RK >> 16 ) ] ^
KT2[ (uint8) ( *RK >> 8 ) ] ^
KT3[ (uint8) ( *RK ) ]; RK++;
 
*SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
KT1[ (uint8) ( *RK >> 16 ) ] ^
KT2[ (uint8) ( *RK >> 8 ) ] ^
KT3[ (uint8) ( *RK ) ]; RK++;
 
*SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
KT1[ (uint8) ( *RK >> 16 ) ] ^
KT2[ (uint8) ( *RK >> 8 ) ] ^
KT3[ (uint8) ( *RK ) ]; RK++;
 
*SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
KT1[ (uint8) ( *RK >> 16 ) ] ^
KT2[ (uint8) ( *RK >> 8 ) ] ^
KT3[ (uint8) ( *RK ) ]; RK++;
}
 
RK -= 8;
 
*SK++ = *RK++;
*SK++ = *RK++;
*SK++ = *RK++;
*SK++ = *RK++;
 
return( 0 );
}
 
/* AES 128-bit block encryption routine */
 
void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] )
{
uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
 
RK = ctx->erk;
 
GET_UINT32( X0, input, 0 ); X0 ^= RK[0];
GET_UINT32( X1, input, 4 ); X1 ^= RK[1];
GET_UINT32( X2, input, 8 ); X2 ^= RK[2];
GET_UINT32( X3, input, 12 ); X3 ^= RK[3];
 
#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
{ \
RK += 4; \
\
X0 = RK[0] ^ FT0[ (uint8) ( Y0 >> 24 ) ] ^ \
FT1[ (uint8) ( Y1 >> 16 ) ] ^ \
FT2[ (uint8) ( Y2 >> 8 ) ] ^ \
FT3[ (uint8) ( Y3 ) ]; \
\
X1 = RK[1] ^ FT0[ (uint8) ( Y1 >> 24 ) ] ^ \
FT1[ (uint8) ( Y2 >> 16 ) ] ^ \
FT2[ (uint8) ( Y3 >> 8 ) ] ^ \
FT3[ (uint8) ( Y0 ) ]; \
\
X2 = RK[2] ^ FT0[ (uint8) ( Y2 >> 24 ) ] ^ \
FT1[ (uint8) ( Y3 >> 16 ) ] ^ \
FT2[ (uint8) ( Y0 >> 8 ) ] ^ \
FT3[ (uint8) ( Y1 ) ]; \
\
X3 = RK[3] ^ FT0[ (uint8) ( Y3 >> 24 ) ] ^ \
FT1[ (uint8) ( Y0 >> 16 ) ] ^ \
FT2[ (uint8) ( Y1 >> 8 ) ] ^ \
FT3[ (uint8) ( Y2 ) ]; \
}
 
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */
 
if( ctx->nr > 10 )
{
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */
}
 
if( ctx->nr > 12 )
{
AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */
}
 
/* last round */
 
RK += 4;
 
X0 = RK[0] ^ ( FSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^
( FSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^
( FSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^
( FSb[ (uint8) ( Y3 ) ] );
 
X1 = RK[1] ^ ( FSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^
( FSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^
( FSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^
( FSb[ (uint8) ( Y0 ) ] );
 
X2 = RK[2] ^ ( FSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^
( FSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^
( FSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^
( FSb[ (uint8) ( Y1 ) ] );
 
X3 = RK[3] ^ ( FSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^
( FSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^
( FSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^
( FSb[ (uint8) ( Y2 ) ] );
 
PUT_UINT32( X0, output, 0 );
PUT_UINT32( X1, output, 4 );
PUT_UINT32( X2, output, 8 );
PUT_UINT32( X3, output, 12 );
}
 
/* AES 128-bit block decryption routine */
 
void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] )
{
uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
 
RK = ctx->drk;
 
GET_UINT32( X0, input, 0 ); X0 ^= RK[0];
GET_UINT32( X1, input, 4 ); X1 ^= RK[1];
GET_UINT32( X2, input, 8 ); X2 ^= RK[2];
GET_UINT32( X3, input, 12 ); X3 ^= RK[3];
 
#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
{ \
RK += 4; \
\
X0 = RK[0] ^ RT0[ (uint8) ( Y0 >> 24 ) ] ^ \
RT1[ (uint8) ( Y3 >> 16 ) ] ^ \
RT2[ (uint8) ( Y2 >> 8 ) ] ^ \
RT3[ (uint8) ( Y1 ) ]; \
\
X1 = RK[1] ^ RT0[ (uint8) ( Y1 >> 24 ) ] ^ \
RT1[ (uint8) ( Y0 >> 16 ) ] ^ \
RT2[ (uint8) ( Y3 >> 8 ) ] ^ \
RT3[ (uint8) ( Y2 ) ]; \
\
X2 = RK[2] ^ RT0[ (uint8) ( Y2 >> 24 ) ] ^ \
RT1[ (uint8) ( Y1 >> 16 ) ] ^ \
RT2[ (uint8) ( Y0 >> 8 ) ] ^ \
RT3[ (uint8) ( Y3 ) ]; \
\
X3 = RK[3] ^ RT0[ (uint8) ( Y3 >> 24 ) ] ^ \
RT1[ (uint8) ( Y2 >> 16 ) ] ^ \
RT2[ (uint8) ( Y1 >> 8 ) ] ^ \
RT3[ (uint8) ( Y0 ) ]; \
}
 
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */
 
if( ctx->nr > 10 )
{
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */
}
 
if( ctx->nr > 12 )
{
AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */
}
 
/* last round */
 
RK += 4;
 
X0 = RK[0] ^ ( RSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^
( RSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^
( RSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^
( RSb[ (uint8) ( Y1 ) ] );
 
X1 = RK[1] ^ ( RSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^
( RSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^
( RSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^
( RSb[ (uint8) ( Y2 ) ] );
 
X2 = RK[2] ^ ( RSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^
( RSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^
( RSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^
( RSb[ (uint8) ( Y3 ) ] );
 
X3 = RK[3] ^ ( RSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^
( RSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^
( RSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^
( RSb[ (uint8) ( Y0 ) ] );
 
PUT_UINT32( X0, output, 0 );
PUT_UINT32( X1, output, 4 );
PUT_UINT32( X2, output, 8 );
PUT_UINT32( X3, output, 12 );
}
/trunk/rtl/systemc/aes192lowarea/aes.cpp
0,0 → 1,252
//////////////////////////////////////////////////////////////////////
//// ////
//// AES Top module ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// TOP module ////
//// ////
//// 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 $
 
#include "aes.h"
 
void aes::registers(){
if(!reset.read()){
state.write(IDLE);
ready_o.write(0);
round.write(0);
addroundkey_round.write(0);
addroundkey_data_reg.write(0);
addroundkey_ready_o.write(0);
addroundkey_start_i.write(0);
first_round_reg.write(0);
last_key_half.write(0);
}else{
state.write(next_state.read());
ready_o.write(next_ready_o.read());
round.write(next_round.read());
addroundkey_round.write(next_addroundkey_round.read());
addroundkey_data_reg.write(next_addroundkey_data_reg.read());
addroundkey_ready_o.write(next_addroundkey_ready_o);
first_round_reg.write(next_first_round_reg.read());
addroundkey_start_i.write(next_addroundkey_start_i.read());
last_key_half.write(next_last_key_half.read());
}
}
 
 
void aes::addroundkey(){
sc_biguint<128> data_var,round_data_var,concat;
sc_biguint<128> key;
sc_uint<4> one,two,three,four;
sc_uint<13> roundvalue;
one=round.read()-1;
two=round.read()-2;
three=round.read()-3;
four=round.read()-4;
roundvalue=0;
roundvalue[(int)round.read()]=true;
data_var=addroundkey_data_i.read();
round_data_var=addroundkey_data_reg.read();
next_addroundkey_data_reg.write(addroundkey_data_reg.read());
next_addroundkey_ready_o.write(0);
next_addroundkey_round.write(addroundkey_round.read());
next_last_key_half.write(last_key_half.read());
addroundkey_data_o.write(addroundkey_data_reg.read());
keysched_start_i.write(0);
keysched_round_i.write(addroundkey_round.read());
if(addroundkey_round.read()==1 || addroundkey_round.read()==0)
keysched_last_key_i.write(key_i.read());
else
keysched_last_key_i.write(keysched_new_key_o.read());
if(round.read()==0 && addroundkey_start_i.read()){
//Take the input and xor them with data if round==0;
round_data_var=key_i.read().range(191,64)^data_var;
next_addroundkey_data_reg.write(round_data_var);
next_addroundkey_ready_o.write(1);
next_last_key_half.write((sc_uint<64>)key_i.read().range(63,0));
}else if(addroundkey_start_i.read() && round.read()!=0){
//Calculate the round i key
keysched_last_key_i.write(key_i.read());
keysched_start_i.write(1);
keysched_round_i.write(1);
next_addroundkey_round.write(1);
}else if( keysched_ready_o.read() && ( (addroundkey_round.read()==one && roundvalue[3])
|| (addroundkey_round.read()==two && roundvalue[6])
|| (addroundkey_round.read()==three && roundvalue[9])
|| (addroundkey_round.read()==four && roundvalue[12]))){
round_data_var=keysched_new_key_o.read().range(191,64)^data_var;
next_addroundkey_data_reg.write(round_data_var);
next_addroundkey_ready_o.write(1);
next_addroundkey_round.write(0);
next_last_key_half.write((sc_uint<64>)keysched_new_key_o.read().range(63,0));
}else if( keysched_ready_o.read() && ( (addroundkey_round.read()==one && roundvalue[2])
|| (addroundkey_round.read()==two && roundvalue[5])
|| (addroundkey_round.read()==three && roundvalue[8])
|| (addroundkey_round.read()==four && roundvalue[11]))){
round_data_var=keysched_new_key_o.read().range(127,0)^data_var;
next_addroundkey_data_reg.write(round_data_var);
next_addroundkey_ready_o.write(1);
next_addroundkey_round.write(0);
next_last_key_half.write((sc_uint<64>)keysched_new_key_o.read().range(63,0));
}else if( keysched_ready_o.read() && ( ((addroundkey_round.read()==one || roundvalue[1]) && (roundvalue[1] || roundvalue[4]))
|| (addroundkey_round.read()==two && roundvalue[7])
|| (addroundkey_round.read()==three && roundvalue[10]))){
(round.read()==1)? concat.range(127,64)=(sc_uint<64>)key_i.read().range(63,0):concat.range(127,64)=(sc_uint<64>)last_key_half.read();
concat.range(63,0)=(sc_uint<64>)keysched_new_key_o.read().range(191,128);
round_data_var=concat^data_var;
next_addroundkey_data_reg.write(round_data_var);
next_addroundkey_ready_o.write(1);
next_addroundkey_round.write(0);
next_last_key_half.write((sc_uint<64>)keysched_new_key_o.read().range(63,0));
}else if(keysched_ready_o.read()){
//Round key output but not the one we want
next_addroundkey_round.write(addroundkey_round.read()+1);
keysched_last_key_i.write(keysched_new_key_o.read());
keysched_start_i.write(1);
keysched_round_i.write(addroundkey_round.read()+1);
next_last_key_half.write((sc_uint<64>)keysched_new_key_o.read().range(63,0));
}
}
void aes::sbox_muxes(){
if(keysched_sbox_access_o.read()){
sbox_decrypt_i.write(keysched_sbox_decrypt_o.read());
sbox_data_i.write(keysched_sbox_data_o.read());
}else{
sbox_decrypt_i.write(subbytes_sbox_decrypt_o.read());
sbox_data_i.write(subbytes_sbox_data_o.read());
}
}
 
 
void aes::control(){
next_state.write(state.read());
next_round.write(round.read());
data_o.write(addroundkey_data_o.read());
next_ready_o.write(0);
//To key schedule module
next_first_round_reg.write(0);
subbytes_data_i.write(0);
mixcol_data_i.write(0);
addroundkey_data_i.write(0);
 
next_addroundkey_start_i.write(first_round_reg.read());
mixcol_start_i.write((addroundkey_ready_o.read() & decrypt_i.read() & round.read()!=12) | (subbytes_ready_o.read() & !decrypt_i.read()));
subbytes_start_i.write((addroundkey_ready_o.read() & !decrypt_i.read()) | (mixcol_ready_o.read() & decrypt_i.read()) | (addroundkey_ready_o.read() & decrypt_i.read() & round.read()==12));
if(decrypt_i.read() && round.read()!=12){
addroundkey_data_i.write(subbytes_data_o.read());
subbytes_data_i.write(mixcol_data_o.read());
mixcol_data_i.write(addroundkey_data_o.read());
}else if(!decrypt_i.read() && round.read()!=0){
addroundkey_data_i.write(mixcol_data_o.read());
subbytes_data_i.write(addroundkey_data_o.read());
mixcol_data_i.write(subbytes_data_o.read());
}else{
mixcol_data_i.write(subbytes_data_o.read());
subbytes_data_i.write(addroundkey_data_o.read());
addroundkey_data_i.write(data_i.read());
}
 
switch(state.read()){
case IDLE:
if(load_i.read()){
next_state.write(ROUNDS);
decrypt_i.read()?next_round.write(12):next_round.write(0);
next_first_round_reg.write(1);
}
break;
case ROUNDS:
//Counter
if(!decrypt_i.read() && mixcol_ready_o.read()){
next_addroundkey_start_i.write(1);
addroundkey_data_i.write(mixcol_data_o.read());
next_round.write(round.read()+1);
}else if(decrypt_i.read() && subbytes_ready_o.read()){
next_addroundkey_start_i.write(1);
addroundkey_data_i.write(subbytes_data_o.read());
next_round.write(round.read()-1);
}
//Output
if((round.read()==11 && !decrypt_i.read()) || (round.read()==0 && decrypt_i.read())){
next_addroundkey_start_i.write(0);
mixcol_start_i.write(0);
if(subbytes_ready_o.read()){
addroundkey_data_i.write(subbytes_data_o.read());
next_addroundkey_start_i.write(1);
next_round.write(round.read()+1);
}
}
if((round.read()==12 && !decrypt_i.read()) || (round.read()==0 && decrypt_i.read())){
addroundkey_data_i.write(subbytes_data_o.read());
subbytes_start_i.write(0);
if(addroundkey_ready_o.read()){
next_ready_o.write(1);
next_state.write(IDLE);
next_addroundkey_start_i.write(0);
next_round.write(0);
}
}
break;
default:
next_state.write(IDLE);
break;
}
}
/trunk/rtl/systemc/aes192lowarea/checker.h
0,0 → 1,81
//////////////////////////////////////////////////////////////////////
//// ////
//// Checker ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Check that the outputs from the RTL model and the C model ////
//// used as golden model are the same ////
//// ////
//// 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 $
 
 
#include "systemc.h"
 
SC_MODULE(checker){
sc_in<bool> reset;
sc_fifo_in<sc_biguint<128> > rt_aes_data_i;
sc_fifo_in<sc_biguint<128> > c_aes_data_i;
void check(){
sc_biguint<128> rt_data_var,c_data_var;
wait(reset->posedge_event());
while(1){
if(reset.read()){
rt_data_var=rt_aes_data_i.read();
c_data_var=c_aes_data_i.read();
if(rt_data_var!=c_data_var){
cout << "Simulation mismatch: 0x" << (int)(sc_uint<32>)rt_data_var.range(127,96) << (int)(sc_uint<32>)rt_data_var.range(95,64) << (int)(sc_uint<32>)rt_data_var.range(63,32) << (int)(sc_uint<32>)rt_data_var.range(31,0) << " 0x" << (int)(sc_uint<32>)c_data_var.range(127,96) << (int)(sc_uint<32>)c_data_var.range(95,64) << (int)(sc_uint<32>)c_data_var.range(63,32) << (int)(sc_uint<32>)c_data_var.range(31,0) << " " << sc_time_stamp() << endl;
exit(0);
}else{
cout << "OK: 0x" << (int)(sc_uint<32>)rt_data_var.range(127,96) << (int)(sc_uint<32>)rt_data_var.range(95,64) << (int)(sc_uint<32>)c_data_var.range(63,32) << (int)(sc_uint<32>)rt_data_var.range(31,0) << " 0x" << (int)(sc_uint<32>)c_data_var.range(127,96) << (int)(sc_uint<32>)c_data_var.range(95,64) << (int)(sc_uint<32>)c_data_var.range(63,32) << (int)(sc_uint<32>)c_data_var.range(31,0) << " " << sc_time_stamp() << endl;
}
}else
wait(reset->posedge_event());
}
}
SC_CTOR(checker){
SC_THREAD(check);
}
};
/trunk/rtl/systemc/aes192lowarea/sbox.cpp
0,0 → 1,292
//////////////////////////////////////////////////////////////////////
//// ////
//// AES sbox module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// S-box calculation calculating inverse on gallois field ////
//// ////
//// 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 $
 
#include "sbox.h"
 
void sbox::registers(){
if(!reset.read()){
to_invert.write(0);
ah_reg.write(0);
alph.write(0);
}else{
to_invert.write(next_to_invert.read());
ah_reg.write(next_ah_reg.read());
alph.write(next_alph.read());
}
}
 
void sbox::first_mux(){
sc_uint<8> data_var;
sc_uint<8> InvInput;
sc_uint<4> ah_t,al_t;
bool aA,aB,aC,aD;
data_var=data_i.read();
InvInput=data_var;
switch(decrypt_i.read()){
case 1:
//Apply inverse affine trasformation
aA=data_var[0]^data_var[5]; aB=data_var[1]^data_var[4];
aC=data_var[2]^data_var[7]; aD=data_var[3]^data_var[6];
InvInput[0]=(!data_var[5])^aC;
InvInput[1]=data_var[0]^aD;
InvInput[2]=(!data_var[7])^aB;
InvInput[3]=data_var[2]^aA;
InvInput[4]=data_var[1]^aD;
InvInput[5]=data_var[4]^aC;
InvInput[6]=data_var[3]^aA;
InvInput[7]=data_var[6]^aB;
break;
default:
InvInput=data_var;
break;
}
//Convert elements from GF(2^8) into two elements of GF(2^4^2)
aA=InvInput[1]^InvInput[7];
aB=InvInput[5]^InvInput[7];
aC=InvInput[4]^InvInput[6];
al_t[0]=aC^InvInput[0]^InvInput[5];
al_t[1]=InvInput[1]^InvInput[2];
al_t[2]=aA;
al_t[3]=InvInput[2]^InvInput[4];
ah_t[0]=aC^InvInput[5];
ah_t[1]=aA^aC;
ah_t[2]=aB^InvInput[2]^InvInput[3];
ah_t[3]=aB;
al.write(al_t);
ah.write(ah_t);
next_ah_reg.write(ah_t);
}
 
void sbox::end_mux(){
sc_uint<8> data_var,data_o_var;
bool aA,aB,aC,aD;
 
 
//Take the output of the inverter
data_var=inva.read();
switch(decrypt_i.read()){
case 0:
//Apply affine trasformation
aA=data_var[0]^data_var[1]; aB=data_var[2]^data_var[3];
aC=data_var[4]^data_var[5]; aD=data_var[6]^data_var[7];
data_o_var[0]=(!data_var[0])^aC^aD;
data_o_var[1]=(!data_var[5])^aA^aD;
data_o_var[2]=data_var[2]^aA^aD;
data_o_var[3]=data_var[7]^aA^aB;
data_o_var[4]=data_var[4]^aA^aB;
data_o_var[5]=(!data_var[1])^aB^aC;
data_o_var[6]=(!data_var[6])^aB^aC;
data_o_var[7]=data_var[3]^aC^aD;
data_o.write(data_o_var);
break;
default:
data_o.write(data_var);
break;
}
}
//Four operations in parallel
void sbox::square1(){
sc_uint<4> ah_t;
ah_t[0]=ah.read()[0]^ah.read()[2];
ah_t[1]=ah.read()[2];
ah_t[2]=ah.read()[1]^ah.read()[3];
ah_t[3]=ah.read()[3];
ah2.write(ah_t);
}
 
void sbox::square2(){
sc_uint<4> al_t;
al_t[0]=al.read()[0]^al.read()[2];
al_t[1]=al.read()[2];
al_t[2]=al.read()[1]^al.read()[3];
al_t[3]=al.read()[3];
al2.write(al_t);
}
void sbox::mul1(){
//al x ah
sc_uint<4> alxh_t;
sc_uint<4> aA,aB;
aA=al.read()[0]^al.read()[3];
aB=al.read()[2]^al.read()[3];
alxh_t[0]=(al.read()[0]&ah.read()[0])^(al.read()[3]&ah.read()[1])^(al.read()[2]&ah.read()[2])^(al.read()[1]&ah.read()[3]);
alxh_t[1]=(al.read()[1]&ah.read()[0])^(aA&ah.read()[1])^(aB&ah.read()[2])^((al.read()[1]^al.read()[2])&ah.read()[3]);
alxh_t[2]=(al.read()[2]&ah.read()[0])^(al.read()[1]&ah.read()[1])^(aA&ah.read()[2])^(aB&ah.read()[3]);
alxh_t[3]=(al.read()[3]&ah.read()[0])^(al.read()[2]&ah.read()[1])^(al.read()[1]&ah.read()[2])^(aA&ah.read()[3]);
alxh.write(alxh_t);
}
 
void sbox::sum1(){
sc_uint<4> alph_t;
alph_t[0]=al.read()[0]^ah.read()[0];
alph_t[1]=al.read()[1]^ah.read()[1];
alph_t[2]=al.read()[2]^ah.read()[2];
alph_t[3]=al.read()[3]^ah.read()[3];
next_alph.write(alph_t);
}
 
//Secuential operations
void sbox::intermediate(){
sc_uint<4> aA,aB;
sc_uint<4> ah2e,ah2epl2,to_invert_var;
//ah square is multiplied with e
aA=ah2.read()[0]^ah2.read()[1];
aB=ah2.read()[2]^ah2.read()[3];
ah2e[0]=ah2.read()[1]^aB;
ah2e[1]=aA;
ah2e[2]=aA^ah2.read()[2];
ah2e[3]=aA^aB;
//Addition of ah2e plus al2
ah2epl2[0]=ah2e[0]^al2.read()[0];
ah2epl2[1]=ah2e[1]^al2.read()[1];
ah2epl2[2]=ah2e[2]^al2.read()[2];
ah2epl2[3]=ah2e[3]^al2.read()[3];
//Addition of last result with the result of (al x ah)
to_invert_var[0]=ah2epl2[0]^alxh.read()[0];
to_invert_var[1]=ah2epl2[1]^alxh.read()[1];
to_invert_var[2]=ah2epl2[2]^alxh.read()[2];
to_invert_var[3]=ah2epl2[3]^alxh.read()[3];
 
//Registers
next_to_invert.write(to_invert_var);
}
 
 
void sbox::inversion(){
sc_uint<4> to_invert_var;
sc_uint<4> aA,d_t;
to_invert_var=to_invert.read();
//Invert the result in GF(2^4)
aA=to_invert_var[1]^to_invert_var[2]^to_invert_var[3]^(to_invert_var[1]&to_invert_var[2]&to_invert_var[3]);
d_t[0]=aA^to_invert_var[0]^(to_invert_var[0]&to_invert_var[2])^(to_invert_var[1]&to_invert_var[2])^(to_invert_var[0]&to_invert_var[1]&to_invert_var[2]);
d_t[1]=(to_invert_var[0]&to_invert_var[1])^(to_invert_var[0]&to_invert_var[2])^(to_invert_var[1]&to_invert_var[2])^to_invert_var[3]^(to_invert_var[1]&to_invert_var[3])^(to_invert_var[0]&to_invert_var[1]&to_invert_var[3]);
d_t[2]=(to_invert_var[0]&to_invert_var[1])^to_invert_var[2]^(to_invert_var[0]&to_invert_var[2])^to_invert_var[3]^(to_invert_var[0]&to_invert_var[3])^(to_invert_var[0]&to_invert_var[2]&to_invert_var[3]);
d_t[3]=aA^(to_invert_var[0]&to_invert_var[3])^(to_invert_var[1]&to_invert_var[3])^(to_invert_var[2]&to_invert_var[3]);
d.write(d_t);
}
 
void sbox::mul2(){
//ah x d
sc_uint<4> ahp_t;
sc_uint<4> aA,aB;
aA=ah_reg.read()[0]^ah_reg.read()[3];
aB=ah_reg.read()[2]^ah_reg.read()[3];
ahp_t[0]=(ah_reg.read()[0]&d.read()[0])^(ah_reg.read()[3]&d.read()[1])^(ah_reg.read()[2]&d.read()[2])^(ah_reg.read()[1]&d.read()[3]);
ahp_t[1]=(ah_reg.read()[1]&d.read()[0])^(aA&d.read()[1])^(aB&d.read()[2])^((ah_reg.read()[1]^ah_reg.read()[2])&d.read()[3]);
ahp_t[2]=(ah_reg.read()[2]&d.read()[0])^(ah_reg.read()[1]&d.read()[1])^(aA&d.read()[2])^(aB&d.read()[3]);
ahp_t[3]=(ah_reg.read()[3]&d.read()[0])^(ah_reg.read()[2]&d.read()[1])^(ah_reg.read()[1]&d.read()[2])^(aA&d.read()[3]);
ahp.write(ahp_t);
}
 
void sbox::mul3(){
//d x al
sc_uint<4> alp_t;
sc_uint<4> aA,aB;
aA=d.read()[0]^d.read()[3];
aB=d.read()[2]^d.read()[3];
alp_t[0]=(d.read()[0]&alph.read()[0])^(d.read()[3]&alph.read()[1])^(d.read()[2]&alph.read()[2])^(d.read()[1]&alph.read()[3]);
alp_t[1]=(d.read()[1]&alph.read()[0])^(aA&alph.read()[1])^(aB&alph.read()[2])^((d.read()[1]^d.read()[2])&alph.read()[3]);
alp_t[2]=(d.read()[2]&alph.read()[0])^(d.read()[1]&alph.read()[1])^(aA&alph.read()[2])^(aB&alph.read()[3]);
alp_t[3]=(d.read()[3]&alph.read()[0])^(d.read()[2]&alph.read()[1])^(d.read()[1]&alph.read()[2])^(aA&alph.read()[3]);
alp.write(alp_t);
}
 
//Convert again to GF(2^8);
void sbox::inversemap(){
sc_uint<4> aA,aB;
sc_uint<4> alp_t,ahp_t;
sc_uint<8> inva_t;
alp_t=alp.read();
ahp_t=ahp.read();
aA=alp_t[1]^ahp_t[3];
aB=ahp_t[0]^ahp_t[1];
inva_t[0]=alp_t[0]^ahp_t[0];
inva_t[1]=aB^ahp_t[3];
inva_t[2]=aA^aB;
inva_t[3]=aB^alp_t[1]^ahp_t[2];
inva_t[4]=aA^aB^alp_t[3];
inva_t[5]=aB^alp_t[2];
inva_t[6]=aA^alp_t[2]^alp_t[3]^ahp_t[0];
inva_t[7]=aB^alp_t[2]^ahp_t[3];
inva.write(inva_t);
}
/trunk/rtl/systemc/aes192lowarea/Makefile.defs
0,0 → 1,35
## Variable that points to SystemC installation path
SYSTEMC = $(SYSTEMC_HOME)
SCV = $(SCV_HOME)
INCDIR = -I. -I.. -I../../bench -I$(SYSTEMC)/include -I$(SCV)/include
LIBDIR = -L. -L.. -L$(SYSTEMC)/lib-$(TARGET_ARCH) -L$(SCV)/lib-$(TARGET_ARCH)
 
# Build with maximum gcc warning level
CFLAGS = $(PLATFORM_SPECIFIC_FLAGS) $(EXTRA_CFLAGS)
 
LIBS = -lm -lsystemc -lscv $(EXTRA_LIBS)
 
EXE = $(MODULE).x
 
.SUFFIXES: .cpp .cc .o .x
 
$(EXE): $(OBJS) $(SYSTEMC)/lib-$(TARGET_ARCH)/libsystemc.a $(SCV)/lib-$(TARGET_ARCH)/libscv.a
$(CC) $(CFLAGS) $(INCDIR) $(LIBDIR) -o $@ $(OBJS) $(LIBS) $(SYSTEMC)/lib-$(TARGET_ARCH)/libsystemc.a $(SCV)/lib-$(TARGET_ARCH)/libscv.a 2>&1 | c++filt
 
.cpp.o:
$(CC) $(CFLAGS) $(INCDIR) -c $< $(USB_FLAGS)
 
.cc.o:
$(CC) $(CFLAGS) $(INCDIR) -c $< $(USB_FLAGS)
 
clean::
rm -f $(OBJS) *~ $(EXE)
 
ultraclean: clean
rm -f Makefile.deps
 
Makefile.deps:
$(CC) $(CFLAGS) $(INCDIR) -M $(SRCS) >> Makefile.deps
 
#include Makefile.deps
/trunk/rtl/systemc/aes192lowarea/aes.h
0,0 → 1,189
//////////////////////////////////////////////////////////////////////
//// ////
//// 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 $
 
#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;
int state_var;
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;
}
};
/trunk/rtl/systemc/aes192lowarea/sbox.h
0,0 → 1,131
//////////////////////////////////////////////////////////////////////
//// ////
//// AES sboc module header ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// S-box calculation calculating inverse on gallois field ////
//// ////
//// 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 $
 
#include "systemc.h"
 
 
SC_MODULE(sbox){
sc_in<bool> clk;
sc_in<bool> reset;
sc_in<sc_uint<8> > data_i;
sc_in<bool> decrypt_i;
sc_out<sc_uint<8> > data_o;
void registers();
void first_mux();
void end_mux();
void inversemap();
void mul1();
void mul2();
void mul3();
void intermediate();
void inversion();
void sum1();
void square1();
void square2();
//Output from inverter to mux
sc_signal<sc_uint<8> > inva;
//Elements in GF(2^4^2)
sc_signal<sc_uint<4> > ah,al;
//Squares of ah and al;
sc_signal<sc_uint<4> > ah2,al2;
//al multiplied by ah
sc_signal<sc_uint<4> > alxh;
//al plus ah
sc_signal<sc_uint<4> > alph;
//output from inverter in GF(2^4)
sc_signal<sc_uint<4> > d;
//output from final multipliers
sc_signal<sc_uint<4> > ahp,alp;
//Registers
sc_signal<sc_uint<4> > to_invert,next_to_invert;
sc_signal<sc_uint<4> > ah_reg,next_ah_reg,next_alph;
SC_CTOR(sbox){
SC_METHOD(registers);
sensitive_pos << clk;
sensitive_neg << reset;
SC_METHOD(first_mux);
sensitive << data_i << decrypt_i;
SC_METHOD(end_mux);
sensitive << decrypt_i << inva;
SC_METHOD(inversemap);
sensitive << alp << ahp;
SC_METHOD(mul1);
sensitive << ah << al;
SC_METHOD(mul2);
sensitive << d << ah_reg;
SC_METHOD(mul3);
sensitive << d << alph;
SC_METHOD(intermediate);
sensitive << ah2 << al2 << alxh;
SC_METHOD(inversion);
sensitive << to_invert;
SC_METHOD(sum1);
sensitive << ah << al;
 
SC_METHOD(square1);
sensitive << ah;
SC_METHOD(square2);
sensitive << al;
}
};
/trunk/rtl/systemc/aes192lowarea/byte_mixcolum.cpp
0,0 → 1,81
//////////////////////////////////////////////////////////////////////
//// ////
//// AES mixcolums 8 bit module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Submodule of mixcolums stage implementation for ////
/// AES algorithm ////
//// ////
//// 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 $
 
#include "byte_mixcolum.h"
 
sc_uint<8> xtime(sc_uint<8> in){
sc_uint<4> xtime_t;
sc_uint<8> out;
out.range(7,5)=in.range(6,4);
xtime_t[3]=in[7];xtime_t[2]=in[7];xtime_t[1]=0;xtime_t[0]=in[7];
out.range(4,1)=xtime_t^in.range(3,0);
out[0]=in[7];
return out;
}
 
void byte_mixcolum::dataflow(){
 
sc_uint<8> w1,w2,w3,w4,w5,w6,w7,w8,outx_var;
w1=a.read()^b.read();
w2=a.read()^c.read();
w3=c.read()^d.read();
w4=xtime(w1);
w5=xtime(w3);
w6=w2^w4^w5;
w7=xtime(w6);
w8=xtime(w7);
outx_var=b.read()^w3^w4;
outx.write(outx_var);
outy.write(w8^outx_var);
}
/trunk/rtl/systemc/aes192lowarea/main.cpp
0,0 → 1,132
//////////////////////////////////////////////////////////////////////
//// ////
//// Main simulation file ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Connect all the modules and begin the simulation ////
//// ////
//// 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 $
 
#include "systemc.h"
#include "iostream.h"
#include "aes.h"
#include "aesfunctions.h"
#include "aesmodel.h"
#include "stimulus.h"
#include "adapt.h"
#include "checker.h"
int sc_main(int argc, char* argv[]){
sc_clock clk("clk",20);
test *t;
aes_transactor *tr;
aes *ae1;
aesmodel *am1;
adapter *ad1;
checker *ch1;
t=new test("testbench");
tr=new aes_transactor("aes_transactor");
am1=new aesmodel("aes_C_model");
ae1=new aes("aes");
ad1=new adapter("adapter");
ch1=new checker("checker");
t->transactor(*tr);
sc_signal<bool> reset;
sc_signal<bool> rt_load;
sc_signal<bool> rt_decrypt;
sc_signal<sc_biguint<128> > rt_data_i;
sc_signal<sc_biguint<192> > rt_key;
sc_signal<sc_biguint<128> > rt_data_o;
sc_signal<bool> rt_ready;
sc_fifo<sc_biguint<128> > rt_aes_data_ck;
sc_fifo<sc_biguint<128> > c_aes_data_ck;
sc_fifo<bool> c_decrypt;
sc_fifo<sc_biguint<192> > c_key;
sc_fifo<sc_biguint<128> > c_data;
ch1->reset(reset);
ch1->rt_aes_data_i(rt_aes_data_ck);
ch1->c_aes_data_i(c_aes_data_ck);
ad1->clk(clk);
ad1->rt_ready_i(rt_ready);
ad1->rt_aes_data_i(rt_data_o);
ad1->rt_aes_data_o(rt_aes_data_ck);
am1->decrypt(c_decrypt);
am1->aes_key_i(c_key);
am1->aes_data_i(c_data);
am1->aes_data_o(c_aes_data_ck);
ae1->clk(clk);
ae1->reset(reset);
ae1->load_i(rt_load);
ae1->decrypt_i(rt_decrypt);
ae1->data_i(rt_data_i);
ae1->key_i(rt_key);
ae1->data_o(rt_data_o);
ae1->ready_o(rt_ready);
tr->clk(clk);
tr->reset(reset);
//Ports to RT model
tr->rt_load_o(rt_load);
tr->rt_decrypt_o(rt_decrypt);
tr->rt_aes_data_o(rt_data_i);
tr->rt_aes_key_o(rt_key);
tr->rt_aes_ready_i(rt_ready);
//Ports to C model
tr->c_decrypt_o(c_decrypt);
tr->c_aes_key_o(c_key);
tr->c_aes_data_o(c_data);
sc_start(-1);
return 0;
}
/trunk/rtl/systemc/aes192lowarea/byte_mixcolum.h
0,0 → 1,61
//////////////////////////////////////////////////////////////////////
//// ////
//// Byte mixcolum header ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Header file for 8-bit mixcolum submodule ////
//// ////
//// 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 $
 
#include "systemc.h"
 
SC_MODULE(byte_mixcolum){
 
sc_in<sc_uint<8> > a,b,c,d;
sc_out<sc_uint<8> > outx,outy;
void dataflow();
SC_CTOR(byte_mixcolum){
SC_METHOD(dataflow);
sensitive << a << b << c << d;
}
};
/trunk/rtl/systemc/aes192lowarea/stimulus.cpp
0,0 → 1,80
//////////////////////////////////////////////////////////////////////
//// ////
//// Random testbench stimulus generation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Generate random stimulus to the core ////
//// ////
//// 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 $
 
#include "stimulus.h"
 
void test::tb(){
sc_biguint<192> aes_key_var;
sc_biguint<128> aes_data_var;
bool decrypt_var;
scv_random::set_global_seed(12659);
random_generator rg("random_generator");
transactor->resetea();
while(1){
rg.aes_key->next();
rg.aes_data->next();
rg.decrypt->next();
aes_data_var=*(rg.aes_data);
aes_key_var=*(rg.aes_key);
decrypt_var=*(rg.decrypt);
if(!decrypt_var){
transactor->encrypt(aes_data_var,aes_key_var);
}else{
transactor->decrypt(aes_data_var,aes_key_var);
}
}
}
/trunk/rtl/systemc/aes192lowarea/transactor.h
0,0 → 1,153
//////////////////////////////////////////////////////////////////////
//// ////
//// Transactor for AES ramdom verification ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Transactor acording to TLM for SystemC AES project ////
//// ////
//// 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 $
 
#include "systemc.h"
 
class transactor_ports:public sc_module{
public:
// Ports
sc_in<bool> clk;
sc_out<bool> reset;
//Ports to RT model
sc_out<bool> rt_load_o;
sc_out<bool> rt_decrypt_o;
sc_out<sc_biguint<128> > rt_aes_data_o;
sc_out<sc_biguint<192> > rt_aes_key_o;
sc_in<bool> rt_aes_ready_i;
//Ports to C model
sc_fifo_out<bool> c_decrypt_o;
sc_fifo_out<sc_biguint<192> > c_aes_key_o;
sc_fifo_out<sc_biguint<128> > c_aes_data_o;
};
 
 
class rw_task_if : virtual public sc_interface {
public:
//Funciones para el transactor
virtual void resetea(void)=0;
virtual void encrypt(sc_biguint<128> data, sc_biguint<192> key)=0;
virtual void decrypt(sc_biguint<128> data, sc_biguint<192> key)=0;
virtual void wait_cycles(int cycles)=0;
};
 
 
//Transactor
class aes_transactor:public rw_task_if,public transactor_ports {
public:
SC_CTOR(aes_transactor){
cout.unsetf(ios::dec);
cout.setf(ios::hex);
}
void resetea(void){
reset.write(0);
wait(clk->posedge_event());
reset.write(1);
cout << "Reseted" << endl;
}
void encrypt(sc_biguint<128> data, sc_biguint<192> key){
wait(clk->posedge_event());
//To RT model
rt_load_o.write(1);
rt_aes_data_o.write(data);
rt_aes_key_o.write(key);
rt_decrypt_o.write(0);
//To C model through fifos
c_aes_data_o.write(data);
c_aes_key_o.write(key);
c_decrypt_o.write(0);
 
//cout << "Encripting data 0x" << (int)(sc_uint<32>)data.range(127,96) << " " << (int)(sc_uint<32>)data.range(95,64) << " " << (int)(sc_uint<32>)data.range(63,32) <<" " << (int)(sc_uint<32>)data.range(31,0) << endl;
//cout << "Encripting with key 0x" << (int)(sc_uint<32>)key.range(191,160) <<" " << (int)(sc_uint<32>)key.range(159,128) << " " <<(int)(sc_uint<32>)key.range(127,96) <<" " << (int)(sc_uint<32>)key.range(95,64) <<" " << (int)(sc_uint<32>)key.range(63,32) <<" " <<(int)(sc_uint<32>)key.range(31,0) << endl;
wait(clk->posedge_event());
rt_load_o.write(0);
wait(rt_aes_ready_i->posedge_event());
}
 
void decrypt(sc_biguint<128> data, sc_biguint<192> key){
wait(clk->posedge_event());
//To RT model
rt_load_o.write(1);
rt_aes_data_o.write(data);
rt_aes_key_o.write(key);
rt_decrypt_o.write(1);
//To C model through fifos
c_aes_data_o.write(data);
c_aes_key_o.write(key);
c_decrypt_o.write(1);
wait(clk->posedge_event());
rt_load_o.write(0);
wait(rt_aes_ready_i->posedge_event());
}
void wait_cycles(int cycles){
for(int i=0;i<cycles;i++){
wait(clk->posedge_event());
}
}
};
/trunk/rtl/systemc/aes192lowarea/word_mixcolum.cpp
0,0 → 1,74
//////////////////////////////////////////////////////////////////////
//// ////
//// Mixcolumns for a 16 bit word module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Mixcolum for a 16 bit word ////
//// ////
//// 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 $
 
#include "word_mixcolum.h"
 
void word_mixcolum::mix(){
sc_uint<32> outx_var, outy_var;
 
outx_var.range(31, 24) = x1.read();
outx_var.range(23, 16) = x2.read();
outx_var.range(15, 8) = x3.read();
outx_var.range(7, 0) = x4.read();
outy_var.range(31, 24) = y1.read();
outy_var.range(23, 16) = y2.read();
outy_var.range(15, 8) = y3.read();
outy_var.range(7, 0) = y4.read();
 
outx.write(outx_var);
outy.write(outy_var);
}
 
void word_mixcolum::split()
{
sc_uint<32> in_var;
 
in_var = in.read();
a.write(in_var.range(31, 24));
b.write(in_var.range(23, 16));
c.write(in_var.range(15, 8));
d.write(in_var.range(7, 0));
}
/trunk/rtl/systemc/aes192lowarea/stimulus.h
0,0 → 1,73
//////////////////////////////////////////////////////////////////////
//// ////
//// Random testbench declation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Declare ramdom testbench class and data ////
//// ////
//// 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 $
 
#include "transactor.h"
#include "scv.h"
 
//Random number generator
 
class random_generator:virtual public scv_constraint_base{
public:
scv_smart_ptr<sc_biguint<192> > aes_key;
scv_smart_ptr<sc_biguint<128> > aes_data;
scv_smart_ptr<bool> decrypt;
 
SCV_CONSTRAINT_CTOR(random_generator){ }
};
class test : public sc_module{
public:
sc_port<rw_task_if> transactor;
void tb();
SC_CTOR(test){
SC_THREAD(tb);
}
};
/trunk/rtl/systemc/aes192lowarea/keysched192.cpp
0,0 → 1,182
//////////////////////////////////////////////////////////////////////
//// ////
//// AES key schedule implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Generate the next round key from the previous one ////
//// ////
//// 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 $
 
#include "keysched192.h"
 
//Rcon ROM
void keysched::rcon(){
switch(round_i.read()){
case 1:
rcon_o.write(1);
break;
case 2:
rcon_o.write(2);
break;
case 3:
rcon_o.write(4);
break;
case 4:
rcon_o.write(8);
break;
case 5:
rcon_o.write(0x10);
break;
case 6:
rcon_o.write(0x20);
break;
case 7:
rcon_o.write(0x40);
break;
case 8:
rcon_o.write(0x80);
break;
case 9:
rcon_o.write(0x1B);
break;
case 10:
rcon_o.write(0x36);
break;
case 11:
rcon_o.write(0x6C);
break;
case 12:
rcon_o.write(0xD8);
break;
default:
rcon_o.write(0);
break;
}
}
 
void keysched::generate_key(){
sc_biguint<384> K_var,W_var;
sc_uint<32> col_t;
sc_uint<24> zero;
zero=0;
col_t=col.read();
W_var=0;
next_state.write(state.read());
next_col.write(col.read());
next_ready_o.write(0);
next_key_reg.write(key_reg.read());
new_key_o.write(key_reg.read());
sbox_decrypt_o.write(0);
sbox_access_o.write(0);
sbox_data_o.write(0);
K_var=last_key_i.read();
switch(state.read()){
//Substitute the bytes while rotating them
//Four accesses to SBox are needed
case 0:
if(start_i.read()){
col_t=0;
sbox_access_o.write(1);
sbox_data_o.write((sc_uint<8>)K_var.range(31,24));
next_state.write(1);
}
break;
case 1:
sbox_access_o.write(1);
sbox_data_o.write((sc_uint<8>)K_var.range(23,16));
col_t.range(7,0)=sbox_data_i.read();
next_col.write(col_t);
next_state.write(2);
break;
case 2:
sbox_access_o.write(1);
sbox_data_o.write((sc_uint<8>)K_var.range(15,8));
col_t.range(31,24)=sbox_data_i.read();
next_col.write(col_t);
next_state.write(3);
break;
case 3:
sbox_access_o.write(1);
sbox_data_o.write((sc_uint<8>)K_var.range(7,0));
col_t.range(23,16)=sbox_data_i.read();
next_col.write(col_t);
next_state.write(4);
break;
case 4:
sbox_access_o.write(1);
col_t.range(15,8)=sbox_data_i.read();
next_col.write(col_t);
W_var.range(191,160)=col_t^K_var.range(191,160)^(rcon_o.read(),zero);
W_var.range(159,128)=W_var.range(191,160)^K_var.range(159,128);
W_var.range(127,96)=W_var.range(159,128)^K_var.range(127,96);
W_var.range(95,64)=W_var.range(127,96)^K_var.range(95,64);
W_var.range(63,32)=W_var.range(95,64)^K_var.range(63,32);
W_var.range(31,0)=W_var.range(63,32)^K_var.range(31,0);
next_ready_o.write(1);
next_key_reg.write(W_var);
next_state.write(0);
break;
default:
next_state.write(0);
break;
}
}
 
void keysched::registers(){
if(!reset.read()){
state.write(0);
col.write(0);
key_reg.write(0);
ready_o.write(0);
}else{
state.write(next_state.read());
col.write(next_col.read());
key_reg.write(next_key_reg.read());
ready_o.write(next_ready_o.read());
}
}
/trunk/rtl/systemc/aes192lowarea/Makefile
0,0 → 1,14
TARGET_ARCH = linux
 
CC = g++
OPT = -O3
DEBUG = -g
OTHER = -Wall -Wno-deprecated
EXTRA_CFLAGS = $(OPT) $(OTHER)
# EXTRA_CFLAGS = $(DEBUG) $(OTHER)
 
MODULE = aes
SRCS = byte_mixcolum.cpp word_mixcolum.cpp keysched192.cpp sbox.cpp mixcolum.cpp subbytes.cpp aes.cpp stimulus.cpp main.cpp
OBJS = $(SRCS:.cpp=.o)
 
include Makefile.defs
/trunk/rtl/systemc/aes192lowarea/mixcolum.cpp
0,0 → 1,122
//////////////////////////////////////////////////////////////////////
//// ////
//// AES mixcolum module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Mixcolum stage implementation for AES algorithm ////
//// ////
//// 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 $
 
#include "mixcolum.h"
 
void mixcolum::mux(){
outmux.write(decrypt_i.read() ? outy.read() : outx.read());
}
 
void mixcolum::mixcol(){
sc_biguint<128> data_i_var;
sc_uint<32> aux;
sc_biguint<128> data_reg_var;
data_i_var=data_i.read();
data_reg_var=data_reg.read();
next_data_reg.write(data_reg.read());
next_state.write(state.read());
mix_word.write(0);
next_ready_o.write(0);
next_data_o.write(data_o_reg.read());
switch(state.read()){
case 0:
if(start_i.read()){
aux=data_i_var.range(127,96);
mix_word.write(aux);
data_reg_var.range(127,96)=outmux.read();
next_data_reg.write(data_reg_var);
next_state.write(1);
}
break;
case 1:
aux=data_i_var.range(95,64);
mix_word.write(aux);
data_reg_var.range(95,64)=outmux.read();
next_data_reg.write(data_reg_var);
next_state.write(2);
break;
case 2:
aux=data_i_var.range(63,32);
mix_word.write(aux);
data_reg_var.range(63,32)=outmux.read();
next_data_reg.write(data_reg_var);
next_state.write(3);
break;
case 3:
aux=data_i_var.range(31,0);
mix_word.write(aux);
data_reg_var.range(31,0)=outmux.read();
next_data_o.write(data_reg_var);
next_ready_o.write(1);
next_state.write(0);
break;
default:
break;
}
}
void mixcolum::registers(){
if(!reset.read()){
data_reg.write(0);
state.write(0);
ready_o.write(0);
data_o_reg.write(0);
}else{
data_reg.write(next_data_reg.read());
state.write(next_state.read());
ready_o.write(next_ready_o.read());
data_o_reg.write(next_data_o.read());
}
}
void mixcolum::assign_data_o(){
data_o.write(data_o_reg.read());
}
/trunk/rtl/systemc/aes192lowarea/word_mixcolum.h
0,0 → 1,106
//////////////////////////////////////////////////////////////////////
//// ////
//// Word mixcolum header ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
//// Description: ////
//// Header file for 16-bit mixcolum submodule ////
//// ////
//// 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 $
 
#include "systemc.h"
#include "byte_mixcolum.h"
 
SC_MODULE(word_mixcolum){
sc_in<sc_uint<32> > in;
sc_out<sc_uint<32> > outx,outy;
sc_signal<sc_uint<8> > a,b,c,d;
sc_signal<sc_uint<8> > x1,x2,x3,x4,y1,y2,y3,y4;
void split();
void mix();
byte_mixcolum *bm1;
byte_mixcolum *bm2;
byte_mixcolum *bm3;
byte_mixcolum *bm4;
SC_CTOR(word_mixcolum){
SC_METHOD(split);
sensitive << in;
SC_METHOD(mix);
sensitive << x1 << x2 << x3 << x4 << y1 << y2 << y3 << y4;
bm1=new byte_mixcolum("bm1");
bm2=new byte_mixcolum("bm2");
bm3=new byte_mixcolum("bm3");
bm4=new byte_mixcolum("bm4");
bm1->a(a);
bm1->b(b);
bm1->c(c);
bm1->d(d);
bm1->outx(x1);
bm1->outy(y1);
bm2->a(b);
bm2->b(c);
bm2->c(d);
bm2->d(a);
bm2->outx(x2);
bm2->outy(y2);
bm3->a(c);
bm3->b(d);
bm3->c(a);
bm3->d(b);
bm3->outx(x3);
bm3->outy(y3);
bm4->a(d);
bm4->b(a);
bm4->c(b);
bm4->d(c);
bm4->outx(x4);
bm4->outy(y4);
}
};
/trunk/rtl/systemc/aes128lowarea/sbox.cpp
1,6 → 1,6
//////////////////////////////////////////////////////////////////////
//// ////
//// AES sboc module implementation ////
//// AES sbox module implementation ////
//// ////
//// This file is part of the SystemC AES ////
//// ////
43,6 → 43,9
// CVS Revision History
//
// $Log: not supported by cvs2svn $
// Revision 1.1 2005/02/14 11:18:31 jcastillo
// Moved
//
// Revision 1.2 2004/08/30 14:44:44 jcastillo
// Code Formater used to give better appearance to SystemC code
//

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