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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ecb/] [aes_bfm_derivation_decryption_ecb.h] - Blame information for rev 12

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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_derivation_decryption_ecb_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 == ECB_DERIVATION_DECRYPTION && 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 || vector_address[counter_write] == ADDR_AES_IVR3)
                                                        {
                                                                a = a | KEY_FIPS_NOT_DERIVATED[0];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_NOT_DERIVATED[1];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_NOT_DERIVATED[2];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_NOT_DERIVATED[3];
                                                                v_ecb.value.integer = a;
                                                        }
 
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR2 || vector_address[counter_write] == ADDR_AES_IVR2)
                                                        {
                                                                b = b | KEY_FIPS_NOT_DERIVATED[4];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_NOT_DERIVATED[5];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_NOT_DERIVATED[6];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_NOT_DERIVATED[7];
                                                                v_ecb.value.integer = b;
                                                        }
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR1 || vector_address[counter_write] == ADDR_AES_IVR1)
                                                        {
 
                                                                c = c | KEY_FIPS_NOT_DERIVATED[8];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_NOT_DERIVATED[9];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_NOT_DERIVATED[10];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_NOT_DERIVATED[11];
                                                                v_ecb.value.integer = c;
 
                                                        }
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR0 || vector_address[counter_write] == ADDR_AES_IVR0)
                                                        {
                                                                d = d | KEY_FIPS_NOT_DERIVATED[12];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_NOT_DERIVATED[13];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_NOT_DERIVATED[14];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_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;
                                        }
 
                                        //ENABLE CR
                                        if(counter_write == 9)
                                        {
 
                                                if(DATATYPE == TYPE_00)// NO DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 25;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_01)// 16 BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 27;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_02)// 8 BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 29;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_03)// BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 31;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
                                                }
 
                                        }
 
                                        //WRITE DINR
                                        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(DATATYPE == TYPE_00)
                                                        {
 
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
                                                        }else if(DATATYPE == TYPE_01)
                                                        {
 
 
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
                                                        }else if(DATATYPE == TYPE_02)
                                                        {
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
 
 
                                                        }else if(DATATYPE == TYPE_03)
                                                        {
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_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);
 
 
                                        v_ecb.value.integer = 0;
                                        vpi_get_value(PRDATA,&v_ecb);
 
                                        if(v_ecb.value.integer == 1)
                                        {
                                                STATE = READ_DOUTR;
 
                                                //printf("CYCLES TAKEN:%d\n", cycle_counter);
                                                cycle_counter=0;
                                        }
 
 
                                }else if(counter == 1)
                                {
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                        counter=0;
                                }
 
 
                                //cycle_counter++;
 
                  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;
                                        counter_write = 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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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ecb/] [aes_bfm_derivation_decryption_ecb.h] - Blame information for rev 12

Line No.	Rev	Author	Line
1	4	redbear	`//////////////////////////////////////////////////////////////////`
2			`////`
3			`////`
4			`//// AES CORE BLOCK`
5			`////`
6			`////`
7			`////`
8			`//// This file is part of the APB to AES128 project`
9			`////`
10			`//// http://www.opencores.org/cores/apbtoaes128/`
11			`////`
12			`////`
13			`////`
14			`//// Description`
15			`////`
16			`//// Implementation of APB IP core according to`
17			`////`
18			`//// aes128_spec IP core specification document.`
19			`////`
20			`////`
21			`////`
22			`//// To Do: Things are right here but always all block can suffer changes`
23			`////`
24			`////`
25			`////`
26			`////`
27			`////`
28			`//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com`
29			`////`
30			`/////////////////////////////////////////////////////////////////`
31			`////`
32			`////`
33			`//// Copyright (C) 2009 Authors and OPENCORES.ORG`
34			`////`
35			`////`
36			`////`
37			`//// This source file may be used and distributed without`
38			`////`
39			`//// restriction provided that this copyright statement is not`
40			`////`
41			`//// removed from the file and that any derivative work contains`
42			`//// the original copyright notice and the associated disclaimer.`
43			`////`
44			`////`
45			`//// This source file is free software; you can redistribute it`
46			`////`
47			`//// and/or modify it under the terms of the GNU Lesser General`
48			`////`
49			`//// Public License as published by the Free Software Foundation;`
50			`//// either version 2.1 of the License, or (at your option) any`
51			`////`
52			`//// later version.`
53			`////`
54			`////`
55			`////`
56			`//// This source is distributed in the hope that it will be`
57			`////`
58			`//// useful, but WITHOUT ANY WARRANTY; without even the implied`
59			`////`
60			`//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR`
61			`////`
62			`//// PURPOSE. See the GNU Lesser General Public License for more`
63			`//// details.`
64			`////`
65			`////`
66			`////`
67			`//// You should have received a copy of the GNU Lesser General`
68			`////`
69			`//// Public License along with this source; if not, download it`
70			`////`
71			`//// from http://www.opencores.org/lgpl.shtml`
72			`////`
73			`////`
74			`///////////////////////////////////////////////////////////////////`
75			`static int aes_bfm_derivation_decryption_ecb_calltf(char*user_data)`
76			`{`
77
78			`vpiHandle PRESETn = vpi_handle_by_name("AES_GLADIC_tb.PRESETn", NULL);`
79			`vpiHandle PWDATA = vpi_handle_by_name("AES_GLADIC_tb.PWDATA", NULL);`
80			`vpiHandle PENABLE = vpi_handle_by_name("AES_GLADIC_tb.PENABLE", NULL);`
81			`vpiHandle PSEL = vpi_handle_by_name("AES_GLADIC_tb.PSEL", NULL);`
82			`vpiHandle PWRITE = vpi_handle_by_name("AES_GLADIC_tb.PWRITE", NULL);`
83			`vpiHandle PADDR = vpi_handle_by_name("AES_GLADIC_tb.PADDR", NULL);`
84			`vpiHandle PRDATA = vpi_handle_by_name("AES_GLADIC_tb.PRDATA", NULL);`
85			`vpiHandle PREADY = vpi_handle_by_name("AES_GLADIC_tb.PREADY", NULL);`
86			`vpiHandle PSLVERR = vpi_handle_by_name("AES_GLADIC_tb.PSLVERR", NULL);`
87			`vpiHandle int_ccf = vpi_handle_by_name("AES_GLADIC_tb.int_ccf", NULL);`
88			`vpiHandle int_err = vpi_handle_by_name("AES_GLADIC_tb.int_err", NULL);`
89			`vpiHandle dma_req_wr = vpi_handle_by_name("AES_GLADIC_tb.dma_req_wr", NULL);`
90			`vpiHandle dma_req_rd = vpi_handle_by_name("AES_GLADIC_tb.dma_req_rd", NULL);`
91
92			`std::random_device rd;`
93			`std::uniform_int_distribution<long int> data_in(0,4294967295);`
94
95			`v_ecb.format=vpiIntVal;`
96
97			`vpi_get_value(PRESETn, &v_ecb);`
98
99
100			`//printf("%i\n",STATE);`
101
102
103			`if(type_bfm == ECB_DERIVATION_DECRYPTION && v_ecb.value.integer == 1)`
104			`{`
105
106			`switch(STATE)`
107			`{`
108
109			`case IDLE:`
110
111			`if(PACKETS_GENERATED >= MAX_ITERATIONS)`
112			`{`
113
114			`STATE = IDLE;`
115			`type_bfm = 0;`
116
117			`}else`
118			`{`
119			`STATE = WRITE;`
120
121			`counter = 0;`
122
123
124			`v_ecb.value.integer = 0;`
125			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
126
127			`v_ecb.value.integer = vector_address[0];`
128			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
129
130			`v_ecb.value.integer = 0;`
131			`vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
132
133			`v_ecb.value.integer = 1;`
134			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
135
136			`v_ecb.value.integer = 1;`
137			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
138			`}`
139
140			`break;`
141
142			`case WRITE:`
143			`if(counter == 0)`
144			`{`
145
146
147			`counter_write++;`
148			`counter++;`
149
150			`v_ecb.value.integer = 1;`
151			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
152
153
154			`}else if(counter == 1)`
155			`{`
156
157			`v_ecb.value.integer = 0;`
158			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
159
160
161
162			`if(counter_write < 9)`
163			`{`
164
165			`v_ecb.value.integer = vector_address[counter_write];`
166			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
167
168			`t_ecb.type = vpiScaledRealTime;`
169			`t_ecb.real = 0;`
170			`v_ecb.format=vpiIntVal;`
171			`if(FIPS_ENABLE == FIPS)`
172			`{`
173
174			`if(vector_address[counter_write] == ADDR_AES_KEYR3 \|\| vector_address[counter_write] == ADDR_AES_IVR3)`
175			`{`
176			`a = a \| KEY_FIPS_NOT_DERIVATED[0];`
177			`a = a << 8;`
178			`a = a \| KEY_FIPS_NOT_DERIVATED[1];`
179			`a = a << 8;`
180			`a = a \| KEY_FIPS_NOT_DERIVATED[2];`
181			`a = a << 8;`
182			`a = a \| KEY_FIPS_NOT_DERIVATED[3];`
183			`v_ecb.value.integer = a;`
184			`}`
185
186
187			`if(vector_address[counter_write] == ADDR_AES_KEYR2 \|\| vector_address[counter_write] == ADDR_AES_IVR2)`
188			`{`
189			`b = b \| KEY_FIPS_NOT_DERIVATED[4];`
190			`b = b << 8;`
191			`b = b \| KEY_FIPS_NOT_DERIVATED[5];`
192			`b = b << 8;`
193			`b = b \| KEY_FIPS_NOT_DERIVATED[6];`
194			`b = b << 8;`
195			`b = b \| KEY_FIPS_NOT_DERIVATED[7];`
196			`v_ecb.value.integer = b;`
197			`}`
198
199			`if(vector_address[counter_write] == ADDR_AES_KEYR1 \|\| vector_address[counter_write] == ADDR_AES_IVR1)`
200			`{`
201
202			`c = c \| KEY_FIPS_NOT_DERIVATED[8];`
203			`c = c << 8;`
204			`c = c \| KEY_FIPS_NOT_DERIVATED[9];`
205			`c = c << 8;`
206			`c = c \| KEY_FIPS_NOT_DERIVATED[10];`
207			`c = c << 8;`
208			`c = c \| KEY_FIPS_NOT_DERIVATED[11];`
209			`v_ecb.value.integer = c;`
210
211			`}`
212
213			`if(vector_address[counter_write] == ADDR_AES_KEYR0 \|\| vector_address[counter_write] == ADDR_AES_IVR0)`
214			`{`
215			`d = d \| KEY_FIPS_NOT_DERIVATED[12];`
216			`d = d << 8;`
217			`d = d \| KEY_FIPS_NOT_DERIVATED[13];`
218			`d = d << 8;`
219			`d = d \| KEY_FIPS_NOT_DERIVATED[14];`
220			`d = d << 8;`
221			`d = d \| KEY_FIPS_NOT_DERIVATED[15];`
222			`v_ecb.value.integer = d;`
223			`}`
224
225
226
227			`}else if(FIPS_ENABLE == RANDOM_DATA)`
228			`{`
229			`v_ecb.value.integer = data_in(rd);`
230			`}`
231
232			`//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
233			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
234
235
236			`a = 0;`
237			`b = 0;`
238			`c = 0;`
239			`d = 0;`
240			`}`
241
242			`//ENABLE CR`
243			`if(counter_write == 9)`
244			`{`
245
246	12	redbear	`if(DATATYPE == TYPE_00)// NO DINR DOUTR SWAP DATA`
247			`{`
248			`v_ecb.value.integer = ADDR_AES_CR;`
249			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
250	4	redbear
251	12	redbear	`v_ecb.value.integer = 25;`
252			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
253
254			`}else if(DATATYPE == TYPE_01)// 16 BIT DINR DOUTR SWAP DATA`
255			`{`
256			`v_ecb.value.integer = ADDR_AES_CR;`
257			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
258
259			`v_ecb.value.integer = 27;`
260			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
261
262			`}else if(DATATYPE == TYPE_02)// 8 BIT DINR DOUTR SWAP DATA`
263			`{`
264			`v_ecb.value.integer = ADDR_AES_CR;`
265			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
266
267			`v_ecb.value.integer = 29;`
268			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
269
270			`}else if(DATATYPE == TYPE_03)// BIT DINR DOUTR SWAP DATA`
271			`{`
272			`v_ecb.value.integer = ADDR_AES_CR;`
273			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
274
275			`v_ecb.value.integer = 31;`
276			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
277			`}`
278	4	redbear
279			`}`
280
281			`//WRITE DINR`
282			`if(counter_write > 9 && counter_write < 14) //WRITE DINR`
283			`{`
284
285			`v_ecb.value.integer = ADDR_AES_DINR;`
286			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
287
288
289			`if(FIPS_ENABLE == FIPS)`
290			`{`
291
292	12	redbear	`if(DATATYPE == TYPE_00)`
293	4	redbear	`{`
294
295	12	redbear	`if(counter_write == 10)`
296			`{`
297			`a = a \| TEXT_FIPS_DERIVATED[0];`
298			`a = a << 8;`
299			`a = a \| TEXT_FIPS_DERIVATED[1];`
300			`a = a << 8;`
301			`a = a \| TEXT_FIPS_DERIVATED[2];`
302			`a = a << 8;`
303			`a = a \| TEXT_FIPS_DERIVATED[3];`
304			`v_ecb.value.integer = a;`
305
306			`}else if(counter_write == 11)`
307			`{`
308			`b = b \| TEXT_FIPS_DERIVATED[4];`
309			`b = b << 8;`
310			`b = b \| TEXT_FIPS_DERIVATED[5];`
311			`b = b << 8;`
312			`b = b \| TEXT_FIPS_DERIVATED[6];`
313			`b = b << 8;`
314			`b = b \| TEXT_FIPS_DERIVATED[7];`
315			`v_ecb.value.integer = b;`
316
317			`}else if(counter_write == 12 )`
318			`{`
319
320			`c = c \| TEXT_FIPS_DERIVATED[8];`
321			`c = c << 8;`
322			`c = c \| TEXT_FIPS_DERIVATED[9];`
323			`c = c << 8;`
324			`c = c \| TEXT_FIPS_DERIVATED[10];`
325			`c = c << 8;`
326			`c = c \| TEXT_FIPS_DERIVATED[11];`
327			`v_ecb.value.integer = c;`
328
329			`}else if(counter_write == 13 )`
330			`{`
331			`d = d \| TEXT_FIPS_DERIVATED[12];`
332			`d = d << 8;`
333			`d = d \| TEXT_FIPS_DERIVATED[13];`
334			`d = d << 8;`
335			`d = d \| TEXT_FIPS_DERIVATED[14];`
336			`d = d << 8;`
337			`d = d \| TEXT_FIPS_DERIVATED[15];`
338			`v_ecb.value.integer = d;`
339
340			`}`
341
342			`}else if(DATATYPE == TYPE_01)`
343	4	redbear	`{`
344
345	12	redbear
346			`if(counter_write == 10)`
347			`{`
348			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[0];`
349			`a = a << 8;`
350			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[1];`
351			`a = a << 8;`
352			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[2];`
353			`a = a << 8;`
354			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[3];`
355			`v_ecb.value.integer = a;`
356
357			`}else if(counter_write == 11)`
358			`{`
359			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[4];`
360			`b = b << 8;`
361			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[5];`
362			`b = b << 8;`
363			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[6];`
364			`b = b << 8;`
365			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[7];`
366			`v_ecb.value.integer = b;`
367
368			`}else if(counter_write == 12 )`
369			`{`
370
371			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[8];`
372			`c = c << 8;`
373			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[9];`
374			`c = c << 8;`
375			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[10];`
376			`c = c << 8;`
377			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[11];`
378			`v_ecb.value.integer = c;`
379
380			`}else if(counter_write == 13 )`
381			`{`
382			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[12];`
383			`d = d << 8;`
384			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[13];`
385			`d = d << 8;`
386			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[14];`
387			`d = d << 8;`
388			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[15];`
389			`v_ecb.value.integer = d;`
390
391			`}`
392
393			`}else if(DATATYPE == TYPE_02)`
394	4	redbear	`{`
395	12	redbear	`if(counter_write == 10)`
396			`{`
397			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[0];`
398			`a = a << 8;`
399			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[1];`
400			`a = a << 8;`
401			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[2];`
402			`a = a << 8;`
403			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[3];`
404			`v_ecb.value.integer = a;`
405	4	redbear
406	12	redbear	`}else if(counter_write == 11)`
407			`{`
408			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[4];`
409			`b = b << 8;`
410			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[5];`
411			`b = b << 8;`
412			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[6];`
413			`b = b << 8;`
414			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[7];`
415			`v_ecb.value.integer = b;`
416	4	redbear
417	12	redbear	`}else if(counter_write == 12 )`
418			`{`
419
420			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[8];`
421			`c = c << 8;`
422			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[9];`
423			`c = c << 8;`
424			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[10];`
425			`c = c << 8;`
426			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[11];`
427			`v_ecb.value.integer = c;`
428
429			`}else if(counter_write == 13 )`
430			`{`
431			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[12];`
432			`d = d << 8;`
433			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[13];`
434			`d = d << 8;`
435			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[14];`
436			`d = d << 8;`
437			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[15];`
438			`v_ecb.value.integer = d;`
439
440			`}`
441
442
443
444			`}else if(DATATYPE == TYPE_03)`
445	4	redbear	`{`
446	12	redbear	`if(counter_write == 10)`
447			`{`
448			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[0];`
449			`a = a << 8;`
450			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[1];`
451			`a = a << 8;`
452			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[2];`
453			`a = a << 8;`
454			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[3];`
455			`v_ecb.value.integer = a;`
456	4	redbear
457	12	redbear	`}else if(counter_write == 11)`
458			`{`
459			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[4];`
460			`b = b << 8;`
461			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[5];`
462			`b = b << 8;`
463			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[6];`
464			`b = b << 8;`
465			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[7];`
466			`v_ecb.value.integer = b;`
467
468			`}else if(counter_write == 12 )`
469			`{`
470
471			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[8];`
472			`c = c << 8;`
473			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[9];`
474			`c = c << 8;`
475			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[10];`
476			`c = c << 8;`
477			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[11];`
478			`v_ecb.value.integer = c;`
479
480			`}else if(counter_write == 13 )`
481			`{`
482			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[12];`
483			`d = d << 8;`
484			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[13];`
485			`d = d << 8;`
486			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[14];`
487			`d = d << 8;`
488			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[15];`
489			`v_ecb.value.integer = d;`
490
491			`}`
492
493
494
495	4	redbear	`}`
496
497
498			`}else if(FIPS_ENABLE == RANDOM_DATA)`
499			`{`
500			`v_ecb.value.integer = data_in(rd);`
501			`}`
502
503			`//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
504			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
505
506			`a = 0;`
507			`b = 0;`
508			`c = 0;`
509			`d = 0;`
510
511
512			`}`
513
514			`v_ecb.value.integer = 1;`
515			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
516
517			`counter=0;`
518			`}`
519
520			`if(counter_write == 14)`
521			`{`
522			`counter_write = 0;`
523
524			`STATE =WAIT_SR;`
525			`}`
526
527			`break;`
528
529			`case WAIT_SR:`
530
531			`v_ecb.value.integer = ADDR_AES_SR;`
532			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
533
534			`v_ecb.value.integer = 0;`
535			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
536
537			`if(counter == 0)`
538			`{`
539
540			`counter++;`
541
542			`v_ecb.value.integer = 1;`
543			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
544
545
546	9	redbear	`v_ecb.value.integer = 0;`
547			`vpi_get_value(PRDATA,&v_ecb);`
548
549			`if(v_ecb.value.integer == 1)`
550			`{`
551			`STATE = READ_DOUTR;`
552
553			`//printf("CYCLES TAKEN:%d\n", cycle_counter);`
554			`cycle_counter=0;`
555			`}`
556
557
558	4	redbear	`}else if(counter == 1)`
559			`{`
560			`v_ecb.value.integer = 0;`
561			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
562
563			`counter=0;`
564			`}`
565
566
567	9	redbear	`//cycle_counter++;`
568	4	redbear
569			`break;`
570
571
572			`case READ_DOUTR:`
573
574
575
576			`if(counter == 0)`
577			`{`
578
579			`v_ecb.value.integer = 1;`
580			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
581
582			`counter_read++;`
583			`counter++;`
584
585
586
587			`}else if(counter == 1)`
588			`{`
589			`v_ecb.value.integer = 0;`
590			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
591
592			`if(counter_read < 4)`
593			`{`
594			`v_ecb.value.integer = ADDR_AES_DOUTR;`
595			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
596			`}`
597
598			`if(counter_read == 4)`
599			`{`
600			`v_ecb.value.integer = ADDR_AES_KEYR3;`
601			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
602			`}`
603
604			`if(counter_read == 5)`
605			`{`
606			`v_ecb.value.integer = ADDR_AES_KEYR2;`
607			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
608			`}`
609
610
611			`if(counter_read == 6)`
612			`{`
613			`v_ecb.value.integer = ADDR_AES_KEYR1;`
614			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
615			`}`
616
617			`if(counter_read == 7)`
618			`{`
619			`v_ecb.value.integer = ADDR_AES_KEYR0;`
620			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
621			`}`
622
623			`if(counter_read == 8)`
624			`{`
625			`v_ecb.value.integer = ADDR_AES_IVR3;`
626			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
627			`}`
628
629			`if(counter_read == 9)`
630			`{`
631			`v_ecb.value.integer = ADDR_AES_IVR2;`
632			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
633			`}`
634
635			`if(counter_read == 10)`
636			`{`
637			`v_ecb.value.integer = ADDR_AES_IVR1;`
638			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
639			`}`
640
641			`if(counter_read == 11)`
642			`{`
643			`v_ecb.value.integer = ADDR_AES_IVR0;`
644			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
645			`}`
646
647			`counter = 0;`
648			`}`
649
650			`if(counter_read == 12 )`
651			`{`
652			`STATE = RESET_SR;`
653			`counter_read = 0;`
654			`counter_write = 0;`
655
656			`}`
657
658			`break;`
659
660			`case RESET_SR:`
661
662			`v_ecb.value.integer = 1;`
663			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
664
665			`v_ecb.value.integer = 1;`
666			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
667
668			`v_ecb.value.integer = 0;`
669			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
670
671			`v_ecb.value.integer = 128;`
672			`vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
673
674
675			`if(counter == 0)`
676			`{`
677
678			`counter_write++;`
679			`counter++;`
680
681			`v_ecb.value.integer = 1;`
682			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
683
684			`}else if(counter == 1)`
685			`{`
686
687			`v_ecb.value.integer = 0;`
688			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
689			`counter=0;`
690
691			`}`
692
693			`if(counter_write == 1)`
694			`{`
695			`STATE =IDLE;`
696			`counter_write = 0;`
697			`counter=0;`
698			`PACKETS_GENERATED = PACKETS_GENERATED + 1;`
699			`}`
700
701
702
703			`break;`
704
705			`}`
706
707			`}`
708
709			`return 0;`
710			`}`