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Starting to port GnuK

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Pol Henarejos 2022-01-01 12:56:19 +01:00
parent 0dfd5d29f3
commit 366d59cbfa
2 changed files with 174 additions and 21 deletions
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43
ccid.h
View file

@ -3,6 +3,49 @@
#include "ccid-types.h"
struct apdu {
uint8_t seq;
/* command APDU */
uint8_t *cmd_apdu_head; /* CLS INS P1 P2 [ internal Lc ] */
uint8_t *cmd_apdu_data;
uint16_t cmd_apdu_data_len; /* Nc, calculated by Lc field */
uint16_t expected_res_size; /* Ne, calculated by Le field */
/* response APDU */
uint16_t sw;
uint16_t res_apdu_data_len;
uint8_t *res_apdu_data;
};
extern struct apdu apdu;
enum ccid_state {
CCID_STATE_NOCARD, /* No card available */
CCID_STATE_START, /* Initial */
CCID_STATE_WAIT, /* Waiting APDU */
CCID_STATE_EXECUTE, /* Executing command */
CCID_STATE_ACK_REQUIRED_0, /* Ack required (executing)*/
CCID_STATE_ACK_REQUIRED_1, /* Waiting user's ACK (execution finished) */
CCID_STATE_EXITED, /* CCID Thread Terminated */
CCID_STATE_EXEC_REQUESTED, /* Exec requested */
};
#define APDU_STATE_WAIT_COMMAND 0
#define APDU_STATE_COMMAND_CHAINING 1
#define APDU_STATE_COMMAND_RECEIVED 2
#define APDU_STATE_RESULT 3
#define APDU_STATE_RESULT_GET_RESPONSE 4
/* Maximum cmd apdu data is key import 24+4+256+256 (proc_key_import) */
#define MAX_CMD_APDU_DATA_SIZE (24+4+256+256) /* without header */
/* Maximum res apdu data is public key 5+9+512 (gpg_do_public_key) */
#define MAX_RES_APDU_DATA_SIZE (5+9+512) /* without trailer */
#define CCID_MSG_HEADER_SIZE 10
static const class_desc_ccid_t desc_ccid = {
.bLength = sizeof (class_desc_ccid_t),

152
hsm2040.c
View file

@ -22,7 +22,111 @@
static uint8_t itf_num;
static void ccid_init(void) {
#if MAX_RES_APDU_DATA_SIZE > MAX_CMD_APDU_DATA_SIZE
#define USB_BUF_SIZE (MAX_RES_APDU_DATA_SIZE+5)
#else
#define USB_BUF_SIZE (MAX_CMD_APDU_DATA_SIZE+5)
#endif
struct apdu apdu;
static struct ccid ccid;
static uint8_t ccid_buffer[USB_BUF_SIZE];
#define CCID_SET_PARAMS 0x61 /* non-ICCD command */
#define CCID_POWER_ON 0x62
#define CCID_POWER_OFF 0x63
#define CCID_SLOT_STATUS 0x65 /* non-ICCD command */
#define CCID_SECURE 0x69 /* non-ICCD command */
#define CCID_GET_PARAMS 0x6C /* non-ICCD command */
#define CCID_RESET_PARAMS 0x6D /* non-ICCD command */
#define CCID_XFR_BLOCK 0x6F
#define CCID_DATA_BLOCK_RET 0x80
#define CCID_SLOT_STATUS_RET 0x81 /* non-ICCD result */
#define CCID_PARAMS_RET 0x82 /* non-ICCD result */
#define CCID_MSG_SEQ_OFFSET 6
#define CCID_MSG_STATUS_OFFSET 7
#define CCID_MSG_ERROR_OFFSET 8
#define CCID_MSG_CHAIN_OFFSET 9
#define CCID_MSG_DATA_OFFSET 10 /* == CCID_MSG_HEADER_SIZE */
#define CCID_MAX_MSG_DATA_SIZE USB_BUF_SIZE
#define CCID_STATUS_RUN 0x00
#define CCID_STATUS_PRESENT 0x01
#define CCID_STATUS_NOTPRESENT 0x02
#define CCID_CMD_STATUS_OK 0x00
#define CCID_CMD_STATUS_ERROR 0x40
#define CCID_CMD_STATUS_TIMEEXT 0x80
#define CCID_ERROR_XFR_OVERRUN 0xFC
/*
* Since command-byte is at offset 0,
* error with offset 0 means "command not supported".
*/
#define CCID_OFFSET_CMD_NOT_SUPPORTED 0
#define CCID_OFFSET_DATA_LEN 1
#define CCID_OFFSET_PARAM 8
struct ccid_header {
uint8_t msg_type;
uint32_t data_len;
uint8_t slot;
uint8_t seq;
uint8_t rsvd;
uint16_t param;
} __attribute__((packed));
/* Data structure handled by CCID layer */
struct ccid {
uint32_t ccid_state : 4;
uint32_t state : 4;
uint32_t err : 1;
uint32_t tx_busy : 1;
uint32_t timeout_cnt: 3;
uint8_t *p;
size_t len;
struct ccid_header ccid_header;
uint8_t sw1sw2[2];
uint8_t chained_cls_ins_p1_p2[4];
struct apdu *a;
};
static void ccid_init(struct ccid *c, struct apdu *a)
{
c->ccid_state = CCID_STATE_START;
c->err = 0;
c->tx_busy = 0;
c->state = APDU_STATE_WAIT_COMMAND;
c->p = a->cmd_apdu_data;
c->len = MAX_CMD_APDU_DATA_SIZE;
memset (&c->ccid_header, 0, sizeof (struct ccid_header));
c->sw1sw2[0] = 0x90;
c->sw1sw2[1] = 0x00;
c->a = a;
}
static void apdu_init (struct apdu *a)
{
a->seq = 0; /* will be set by lower layer */
a->cmd_apdu_head = &ccid_buffer[0];
a->cmd_apdu_data = &ccid_buffer[5];
a->cmd_apdu_data_len = 0; /* will be set by lower layer */
a->expected_res_size = 0; /* will be set by lower layer */
a->sw = 0x9000; /* will be set by upper layer */
a->res_apdu_data = &ccid_buffer[5]; /* will be set by upper layer */
a->res_apdu_data_len = 0; /* will be set by upper layer */
}
static void ccid_init_cb(void) {
TU_LOG2("-------- CCID INIT\r\n");
vendord_init();
}
@ -98,7 +202,7 @@ static usbd_class_driver_t const ccid_driver =
#if CFG_TUSB_DEBUG >= 2
.name = "CCID",
#endif
.init = ccid_init,
.init = ccid_init_cb,
.reset = ccid_reset,
.open = ccid_open,
.control_xfer_cb = ccid_control_xfer_cb,
@ -197,26 +301,32 @@ void led_off_all()
int main(void)
{
printf("BOARD INIT\r\n");
board_init();
gpio_init(18);
gpio_set_dir(18, GPIO_OUT);
gpio_init(19);
gpio_set_dir(19, GPIO_OUT);
gpio_init(20);
gpio_set_dir(20, GPIO_OUT);
led_off_all();
struct apdu *a = &apdu;
struct ccid *c = &ccid;
printf("BOARD INIT\r\n");
board_init();
tusb_init();
gpio_init(18);
gpio_set_dir(18, GPIO_OUT);
gpio_init(19);
gpio_set_dir(19, GPIO_OUT);
gpio_init(20);
gpio_set_dir(20, GPIO_OUT);
while (1)
{
vendor_task();
tud_task(); // tinyusb device task
led_blinking_task();
}
led_off_all();
return 0;
tusb_init();
apdu_init(a);
ccid_init(c, a);
while (1)
{
vendor_task();
tud_task(); // tinyusb device task
led_blinking_task();
}
return 0;
}