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ISO7816_Segger_UART_7816_converter.c
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ISO7816_Segger_UART_7816_converter.c
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#include "stdint.h"
#include "SEGGER_RTT.h"
#include "Universal.h"
#include "ISO7816.h"
/*
SEGGER ADAPTER ADAPTOR CONVERTER
SEGGET TO UART TO ISO7816
*/
uint8_t ready_to_send=0;
uint8_t Segger_recieve_buffer[255];
uint8_t HEX_String[255];
#define CONFG 'G'
#define HELP1 'H'
#define HELP2 '?'
#define RESET 'R'
#define ACTIV 'T'
#define DEACT 't'
#define EXIT 'X'
#define TESTK 's'
#define C_REC 'V'
#define C_SEN 'v'
// example inputs to segger rtt viewer
/*
R
05
00 00 01 fF fe
08
00 00 01 00 a4 00 00 a5
0a
00 00 06 80 10 01 02 01 FF FF
05
00 00 00 00 00
05
00 a4 04 00 00
0x60h 0x61h 0x07h
05
00 c0 00 00 07
0xc0h 0xa0h 0x00h 0x00h 0x00h 0x03h 0x00h 0x00h 0x90h 0x00h
0d
80F0800F08 A0000000 03000000
09
000005 00a4040000ff 1010
0101
05
00 20 00 00 00
05
00 f2 60 00 00
08
00 80 F2 20 00 02 4F 00
0d
00 20 00 00 08 00 00 00 00 00 00 00 00
*/
void Print_Help() {
// //##############################################\n\n
Segger_write_string(
"\
##############################################\n\
######## HELP ########\n\
Usage through Segger RTT viewer console:\n \
\t ? or H -help\n\n\
\t X -Exit Converter \n\
\t R -cold reset Smart Card\n\
\t T -Activate Smart Card\n\
\t t -Deactivate Cards VCC, CLK, RESET, IO\n\
\t G -CONFG G0/1 Set protocol \n\
\t V -continual ISO7816 RecieVe/send until Segger recieve \n\
\t\t GM BruteForceLocating Card Manager\n\
\t\t Gm Locating Card Manager\n\
\t\t GC Locate Classes\n\
\t\t GI Locate Instructiions\n\
\t\t GN Send Negotiation Byte Protocol\n\
\t\t GS Try to Get Status Info\n\
\t\t GR Try read records\n\
\t\t Gc Try CLCD\n\
\t\t DD Try to get Data info\n\
\t\t DB0xXXXXXXXX UART Baud rate set\n\
\t\t Db set UART Baud rate to CLK/372\n\
\t\t DP toggle uart parity\n\
\t\t Gt Try applet response\n");
Card_wait();
Segger_write_string(
"\
Message sending to card:\n \
\t First send how many data, then the actual message\n\
\t\t03\n\
\t\tXX XX XX\n\
\t\tor\n\
\t\tXXXXXX \n\
where X is [0-9, a-f, A-F]\n\
Actual message can be on multiple lines\n\n\n\
Set Segger options as:\n\
\tINPUT->Sending...->Send on Enter\n\
\tINPUT->Sending...->Block if FIFO full\n\
##############################################\n\n");
// TODO! if you add next line, segger wont be able to send that long message
//##############################################\n
Card_wait();
}
uint8_t String_To_Dec(uint8_t value, uint8_t position) {
uint8_t return_value=0;
//Segger_write_string_value(" Value:", value);
if(value>='0' && value<='9') {
return_value=value-'0';
}
if(value>='a' && value<='f') {
return_value=10+value-'a';
}
if(value>='A' && value<='F') {
return_value=10+value-'A';
}
//Segger_write_string_value(" Converted:", return_value);
if(position==0) {
return return_value<<4;
}
return return_value;
}
uint32_t Hex_UINT(uint8_t offset, uint8_t* Segger_recieve_buffer, uint8_t recieved) {
uint32_t value=0;
uint8_t count=offset;
while(count<=recieved && (count-offset)<9) {
value=value << 4;
if( !(Segger_recieve_buffer[count]==' ' || Segger_recieve_buffer[count]=='\t' || Segger_recieve_buffer[count]=='\n')) {
value |= String_To_Dec(Segger_recieve_buffer[count], 1);
}
count++;
}
return value;
}
uint8_t Convert_To_Hex_String(uint8_t recieved, uint8_t * Segger_recieve_buffer) {
uint8_t count=0;
uint8_t lenght=0;
SC_APDU[lenght+ready_to_send]=0;
for(uint8_t i=0; i<recieved; i++) {
if(Segger_recieve_buffer[i]==' ' || Segger_recieve_buffer[i]=='\t' || Segger_recieve_buffer[i]=='\n') {
;
}
else {
SC_APDU[lenght+ready_to_send]|=String_To_Dec(Segger_recieve_buffer[i], count++);
if(count>=2) {
count=0;
lenght++;
SC_APDU[lenght+ready_to_send]=0;
}
}
}
return lenght;
}
void Debug_Mode(void) {
Print_Help();
init_ISO7816_pins();
uint8_t recieved=0;
ready_to_send=0;
uint8_t lenght=0;
uint8_t FLAG_run=1;
while(FLAG_run) {
uint8_t ready_to_recieve = SEGGER_RTT_HasData(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE);
if(ready_to_recieve) {
//Segger_write_string("Data ready to be recieved\n");
recieved = SEGGER_RTT_Read(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE, Segger_recieve_buffer, 255);
Segger_write_string_value("D: Data ready:", recieved);
switch(Segger_recieve_buffer[0]) {
case C_REC:
if(!Is_Card_Active()) {
Segger_write_string("D: Card is not activated!");
break;
}
while(true) {
if(SEGGER_RTT_HasData(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE)) {
SEGGER_RTT_Read(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE, Segger_recieve_buffer, 255);
break;
}
uint8_t success=0;
Recieve_UART_timeout(45000 * 100, &success);
if(success==0) {
Segger_write_string("\n");
}
}
break;
case C_SEN:
if(!Is_Card_Active()) {
Segger_write_string("D: Card is not activated!");
break;
}
while(true) {
if(SEGGER_RTT_HasData(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE)) {
SEGGER_RTT_Read(DEFAULT_SEGGER_JLINK_RTT_VIEWER_CONSOLE, Segger_recieve_buffer, 255);
break;
}
SC_APDU[0]=0xaa;
Send_UART(1);
}
break;
case RESET:
lenght=0;
ready_to_send=0;
Card_Deactivate();
Set_Comm_Baudrate(ISO7816_CLK/372);
Card_Cold_Reset();
SC_Recieve_ATR_And_Config();
break;
case HELP1:
case HELP2:
Print_Help();
break;
case ACTIV:
Card_Activate();
SC_Recieve_ATR_And_Config();
break;
case DEACT:
Card_Deactivate();
break;
case EXIT:
Card_Deactivate();
FLAG_run=0;
break;
case CONFG:
if(recieved>1) {
switch(Segger_recieve_buffer[1]) {
case '0': SC_ATR_Set_Protocol_Type(0x00); Segger_write_string("D: Messages will be sent as APDU\n"); break;
case '1': SC_ATR_Set_Protocol_Type(0x01); Segger_write_string("D: Messages will be encapsulated in block\n"); break;
case 'M': Try_Locating_Card_Manager_Brute(); break;
case 'm': Try_Locating_Card_Manager(); Get_Response(7); break;
case 'C': Try_Locating_Classes(); break;
case 'I': Try_Locating_Instructions(); break;
case 'N': Send_Negotiate_Block_Protocol_Alone(); Recieve_And_Check_Response(); SC_ATR_Set_Protocol_Type(0x00); break; //TODO 0x00
case 'S': Try_STATUS(); break;
case 'D': Try_DATA(); break;
case 'R': Try_RECORDS(); break;
case 'c': Try_Card_Production_Life_Cycle_Data(); break;
case 'B': if(recieved==0x0d) {
//Segger_write_one_hex_value_32( Hex_UINT(3, Segger_recieve_buffer, recieved));
Set_Comm_Baudrate(Hex_UINT(3, Segger_recieve_buffer, recieved));
reconfigure_UART();
//strtol( (char*)(Segger_recieve_buffer+2), NULL, 32) );
}
break;
case 'b': Set_Comm_Baudrate(ISO7816_CLK/372); reconfigure_UART(); break;
case 't': Select_Applet_Wrapper(); break;
case 'P': Toggle_Parity(); reconfigure_UART(); break;
case 'L': Toggle_APDU_EXTRA_LRC(); break;
/*case 'e': //uint8_t message[16];
HW_AES_Decode(HEX_String);
Print_Array(12, HEX_String);
HW_AES_Encode(HEX_String, 0xaa);
Print_Array(12, HEX_String);
break;*/
default: break;
}
}
break;
//case TESTK:
// test_Card();
// break;
default:
if(lenght==0) {
Convert_To_Hex_String(2, Segger_recieve_buffer);
lenght = SC_APDU[0];
//Segger_write_string_value("D: Waiting for additional bytes:", lenght);
}
else {
ready_to_send += Convert_To_Hex_String(recieved, Segger_recieve_buffer);
if(ready_to_send>=lenght) {
if(SC_ATR_Get_Protocol_Type()==0) {
/*!!!!SC_Send_Message(lenght);
Recieve_And_Check_Response();*/
Send_And_Recieve(lenght);
}
else {
uint8_t count = Prepare_Standard_Block(lenght, SC_APDU);
/*!!!!SC_Send_Message(count);
Recieve_And_Check_Response();*/
Send_And_Recieve(count);
}
lenght=0;
ready_to_send=0;
}
}
Segger_write_string_value("D: Waiting for additional bytes:", lenght-ready_to_send);
break;
}
}
}
}