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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ctr/] [aes_bfm_decryption_ccfie_ctr.h] - Rev 5

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//////////////////////////////////////////////////////////////////
////
////
//// 	AES CORE BLOCK
////
////
////
//// This file is part of the APB to AES128 project
////
//// http://www.opencores.org/cores/apbtoaes128/
////
////
////
//// Description
////
//// Implementation of APB IP core according to
////
//// aes128_spec IP core specification document.
////
////
////
//// To Do: Things are right here but always all block can suffer changes
////
////
////
////
////
//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com
////
///////////////////////////////////////////////////////////////// 
////
////
//// Copyright (C) 2009 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
////
////
///////////////////////////////////////////////////////////////////
static int aes_bfm_decryption_ccfie_ctr_calltf(char*user_data)
{
 
	vpiHandle PRESETn = vpi_handle_by_name("AES_GLADIC_tb.PRESETn", NULL);
	vpiHandle PWDATA = vpi_handle_by_name("AES_GLADIC_tb.PWDATA", NULL);
	vpiHandle PENABLE = vpi_handle_by_name("AES_GLADIC_tb.PENABLE", NULL);
	vpiHandle PSEL = vpi_handle_by_name("AES_GLADIC_tb.PSEL", NULL);
	vpiHandle PWRITE = vpi_handle_by_name("AES_GLADIC_tb.PWRITE", NULL);
	vpiHandle PADDR = vpi_handle_by_name("AES_GLADIC_tb.PADDR", NULL);
	vpiHandle PRDATA = vpi_handle_by_name("AES_GLADIC_tb.PRDATA", NULL);
	vpiHandle PREADY = vpi_handle_by_name("AES_GLADIC_tb.PREADY", NULL);
	vpiHandle PSLVERR = vpi_handle_by_name("AES_GLADIC_tb.PSLVERR", NULL);
	vpiHandle int_ccf = vpi_handle_by_name("AES_GLADIC_tb.int_ccf", NULL);
	vpiHandle int_err = vpi_handle_by_name("AES_GLADIC_tb.int_err", NULL);
	vpiHandle dma_req_wr = vpi_handle_by_name("AES_GLADIC_tb.dma_req_wr", NULL);
	vpiHandle dma_req_rd = vpi_handle_by_name("AES_GLADIC_tb.dma_req_rd", NULL);
 
	std::random_device rd;
	std::uniform_int_distribution<long int> data_in(0,4294967295);
 
	v_ecb.format=vpiIntVal;
 
	vpi_get_value(PRESETn, &v_ecb);
 
 
	//printf("%i\n",STATE);
 
 
	if(type_bfm == CTR_DECRYPTION_CCFIE && v_ecb.value.integer == 1)
	{
 
		switch(STATE)
		{
 
		  case IDLE:
 
				if(PACKETS_GENERATED >= MAX_ITERATIONS)
				{
 
					STATE = IDLE;
					type_bfm = 0;	
 
				}else
				{
					STATE = WRITE; 	
 
					counter = 0;					
 
 
					v_ecb.value.integer = 0;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
					v_ecb.value.integer = vector_address[0];
					vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					v_ecb.value.integer = 0;
					vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
 
					v_ecb.value.integer = 1;
					vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);	
 
					v_ecb.value.integer = 1;
					vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
				}
 
		  break;
 
		  case WRITE:
				if(counter == 0)
				{
 
 
					counter_write++;
				 	counter++;
 
					v_ecb.value.integer = 1;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
				}else if(counter == 1)
				{	
 
					v_ecb.value.integer = 0;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
 
					if(counter_write < 9)
					{
 
						v_ecb.value.integer = vector_address[counter_write];
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
						t_ecb.type = vpiScaledRealTime;
						t_ecb.real = 0;
						v_ecb.format=vpiIntVal;
						if(FIPS_ENABLE == FIPS)
						{
 
							if(vector_address[counter_write] == ADDR_AES_KEYR3)
								{
									a = a | KEY_FIPS_CTR_NOT_DERIVATED[0]; 
									a = a << 8;
									a = a | KEY_FIPS_CTR_NOT_DERIVATED[1];
									a = a << 8;
									a = a | KEY_FIPS_CTR_NOT_DERIVATED[2]; 
									a = a << 8;
									a = a | KEY_FIPS_CTR_NOT_DERIVATED[3];
									v_ecb.value.integer = a; 
								}
 
 
								if(vector_address[counter_write] == ADDR_AES_KEYR2)
								{
									b = b | KEY_FIPS_CTR_NOT_DERIVATED[4];
									b = b << 8;
									b = b | KEY_FIPS_CTR_NOT_DERIVATED[5];
									b = b << 8;
									b = b | KEY_FIPS_CTR_NOT_DERIVATED[6]; 
									b = b << 8;
									b = b | KEY_FIPS_CTR_NOT_DERIVATED[7];
									v_ecb.value.integer = b; 
								}
 
								if(vector_address[counter_write] == ADDR_AES_KEYR1)
								{ 
 
									c = c | KEY_FIPS_CTR_NOT_DERIVATED[8];
									c = c << 8;
									c = c | KEY_FIPS_CTR_NOT_DERIVATED[9];
									c = c << 8;
									c = c | KEY_FIPS_CTR_NOT_DERIVATED[10]; 
									c = c << 8;
									c = c | KEY_FIPS_CTR_NOT_DERIVATED[11]; 
									v_ecb.value.integer = c;
 
								}
 
								if(vector_address[counter_write] == ADDR_AES_KEYR0)
								{
									d = d | KEY_FIPS_CTR_NOT_DERIVATED[12];
									d = d << 8;
									d = d | KEY_FIPS_CTR_NOT_DERIVATED[13];
									d = d << 8;
									d = d | KEY_FIPS_CTR_NOT_DERIVATED[14]; 
									d = d << 8;
									d = d | KEY_FIPS_CTR_NOT_DERIVATED[15];
									v_ecb.value.integer = d;
								}
 
 
								if(vector_address[counter_write] == ADDR_AES_IVR3)
								{
									a = a | IV_FIPS_CTR_NOT_DERIVATED[0]; 
									a = a << 8;
									a = a | IV_FIPS_CTR_NOT_DERIVATED[1];
									a = a << 8;
									a = a | IV_FIPS_CTR_NOT_DERIVATED[2]; 
									a = a << 8;
									a = a | IV_FIPS_CTR_NOT_DERIVATED[3];
									v_ecb.value.integer = a; 
								}
 
 
								if(vector_address[counter_write] == ADDR_AES_IVR2)
								{
									b = b | IV_FIPS_CTR_NOT_DERIVATED[4];
									b = b << 8;
									b = b | IV_FIPS_CTR_NOT_DERIVATED[5];
									b = b << 8;
									b = b | IV_FIPS_CTR_NOT_DERIVATED[6]; 
									b = b << 8;
									b = b | IV_FIPS_CTR_NOT_DERIVATED[7];
									v_ecb.value.integer = b; 
								}
 
								if(vector_address[counter_write] == ADDR_AES_IVR1)
								{ 
 
									c = c | IV_FIPS_CTR_NOT_DERIVATED[8];
									c = c << 8;
									c = c | IV_FIPS_CTR_NOT_DERIVATED[9];
									c = c << 8;
									c = c | IV_FIPS_CTR_NOT_DERIVATED[10]; 
									c = c << 8;
									c = c | IV_FIPS_CTR_NOT_DERIVATED[11]; 
									v_ecb.value.integer = c;
 
								}
 
								if(vector_address[counter_write] == ADDR_AES_IVR0)
								{
									d = d | IV_FIPS_CTR_NOT_DERIVATED[12];
									d = d << 8;
									d = d | IV_FIPS_CTR_NOT_DERIVATED[13];
									d = d << 8;
									d = d | IV_FIPS_CTR_NOT_DERIVATED[14]; 
									d = d << 8;
									d = d | IV_FIPS_CTR_NOT_DERIVATED[15];
									v_ecb.value.integer = d;
								}
 
 
 
						}else if(FIPS_ENABLE == RANDOM_DATA)
						{
							v_ecb.value.integer = data_in(rd);
						}
 
						//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);						
						vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
 
						a = 0;
						b = 0;
						c = 0;
						d = 0;
					}
 
 
					if(counter_write == 9)
					{
 
						v_ecb.value.integer = vector_address[counter_write];
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
						t_ecb.type = vpiScaledRealTime;
						t_ecb.real = 0;
						v_ecb.format=vpiIntVal;
						v_ecb.value.integer = 593;
						vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
					}
 
 
					if(counter_write > 9  &&  counter_write < 14) //WRITE DINR
					{
 
						v_ecb.value.integer = ADDR_AES_DINR;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
 
						if(FIPS_ENABLE == FIPS)
						{
 
								if(counter_write == 10)
							{
								a = a | TEXT_CTR_FIPS_DERIVATED[0]; 
								a = a << 8;
								a = a | TEXT_CTR_FIPS_DERIVATED[1];
								a = a << 8;
								a = a | TEXT_CTR_FIPS_DERIVATED[2]; 
								a = a << 8;
								a = a | TEXT_CTR_FIPS_DERIVATED[3];
								v_ecb.value.integer = a; 
 
							}else if(counter_write == 11)
							{
								b = b | TEXT_CTR_FIPS_DERIVATED[4];
								b = b << 8;
								b = b | TEXT_CTR_FIPS_DERIVATED[5];
								b = b << 8;
								b = b | TEXT_CTR_FIPS_DERIVATED[6]; 
								b = b << 8;
								b = b | TEXT_CTR_FIPS_DERIVATED[7];
								v_ecb.value.integer = b; 
 
							}else if(counter_write == 12 )
							{
 
								c = c | TEXT_CTR_FIPS_DERIVATED[8];
								c = c << 8;
								c = c | TEXT_CTR_FIPS_DERIVATED[9];
								c = c << 8;
								c = c | TEXT_CTR_FIPS_DERIVATED[10]; 
								c = c << 8;
								c = c | TEXT_CTR_FIPS_DERIVATED[11]; 
								v_ecb.value.integer = c;
 
							}else if(counter_write == 13 )
							{
								d = d | TEXT_CTR_FIPS_DERIVATED[12];
								d = d << 8;
								d = d | TEXT_CTR_FIPS_DERIVATED[13];
								d = d << 8;
								d = d | TEXT_CTR_FIPS_DERIVATED[14]; 
								d = d << 8;
								d = d | TEXT_CTR_FIPS_DERIVATED[15];
								v_ecb.value.integer = d;
 
							}
 
 
						}else if(FIPS_ENABLE == RANDOM_DATA)
						{
							v_ecb.value.integer = data_in(rd);
						}
 
						//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
						vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
						a = 0;
						b = 0;
						c = 0;
						d = 0;
 
 
					}
 
					v_ecb.value.integer = 1;
					vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
 
					counter=0;
				}
 
				if(counter_write == 14)
				{					
					counter_write = 0;
 
					STATE =WAIT_SR;
 
				}
 
		  break;
 
		  case WAIT_SR:
 
				v_ecb.value.integer = ADDR_AES_SR;
				vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
				v_ecb.value.integer = 0;
				vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
 
				if(counter == 0)
				{
 
				 	counter++;
 
					v_ecb.value.integer = 1;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
				}else if(counter == 1)
				{
					v_ecb.value.integer = 0;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
					counter=0;
				}
 
				v_ecb.value.integer = 0;
				vpi_get_value(PRDATA,&v_ecb);
 
				if(v_ecb.value.integer == 1)
				{
					STATE = READ_DOUTR;
 
					t_ecb.type = vpiScaledRealTime;
					t_ecb.real = 10;
					v_ecb.format=vpiIntVal;
					v_ecb.value.integer = ADDR_AES_DOUTR;
					vpi_put_value(PADDR, &v_ecb, &t_ecb, vpiTransportDelay);
				}
 
 
		  break;			
 
 
		 case READ_DOUTR:
 
 
 
				if(counter == 0)
				{
 
					v_ecb.value.integer = 1;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
					counter_read++;
				 	counter++;
 
 
 
				}else if(counter == 1)
				{	
					v_ecb.value.integer = 0;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
					if(counter_read < 4)
					{
 
						v_ecb.value.integer = ADDR_AES_DOUTR;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 4)
					{
 
						v_ecb.value.integer = ADDR_AES_KEYR3;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 5)
					{
 
						v_ecb.value.integer = ADDR_AES_KEYR2;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
 
					if(counter_read == 6)
					{
 
						v_ecb.value.integer = ADDR_AES_KEYR1;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 7)
					{
 
						v_ecb.value.integer = ADDR_AES_KEYR0;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 8)
					{
 
						v_ecb.value.integer = ADDR_AES_IVR3;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 9)
					{
 
						v_ecb.value.integer = ADDR_AES_IVR2;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
 
					if(counter_read == 10)
					{
 
						v_ecb.value.integer = ADDR_AES_IVR1;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					if(counter_read == 11)
					{
 
						v_ecb.value.integer = ADDR_AES_IVR0;
						vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
					}
 
 
					counter = 0;
				}
 
				if(counter_read == 12)
				{					
					STATE = RESET_SR;					
					counter_read = 0;
				}
 
		 break;
 
		case RESET_SR:
 
				v_ecb.value.integer = 1;
				vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
 
				v_ecb.value.integer = 1;
				vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
 
				v_ecb.value.integer = 0;
				vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
				v_ecb.value.integer = 128;
				vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
 
 
				if(counter == 0)
				{
 
					counter_write++;
				 	counter++;
 
					v_ecb.value.integer = 1;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
				}else if(counter == 1)
				{
 
					v_ecb.value.integer = 0;
					vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);	
					counter=0;
 
				}
 
				if(counter_write == 1)
				{					
					STATE =IDLE;
					counter_write = 0;
					counter=0;
					PACKETS_GENERATED = PACKETS_GENERATED + 1;
				}
 
 
 
		break;
 
		}
 
	}
 
	return 0;
}
 

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