84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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* This file is part of the Pico HSM distribution (https://github.com/polhenarejos/pico-hsm).
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* Copyright (c) 2022 Pol Henarejos.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _APDU_H_
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#define _APDU_H_
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#include <stdlib.h>
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#include "pico/stdlib.h"
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typedef struct app {
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const uint8_t *aid;
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int (*process_apdu)();
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struct app* (*select_aid)();
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int (*unload)();
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} app_t;
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extern int register_app(app_t * (*)());
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#if defined(DEBUG_APDU) && DEBUG_APDU == 1
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#define DEBUG_PAYLOAD(_p,_s) { \
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printf("Payload %s (%d bytes):\r\n", #_p,_s);\
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for (int _i = 0; _i < _s; _i += 16) {\
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printf("%07Xh : ",(unsigned int)(_i+_p));\
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for (int _j = 0; _j < 16; _j++) {\
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if (_j < _s-_i) printf("%02X ",(_p)[_i+_j]);\
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else printf(" ");\
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if (_j == 7) printf(" ");\
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} printf(": "); \
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for (int _j = 0; _j < MIN(16,_s-_i); _j++) {\
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printf("%c",(_p)[_i+_j] == 0x0a || (_p)[_i+_j] == 0x0d ? '\\' : (_p)[_i+_j]);\
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if (_j == 7) printf(" ");\
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}\
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printf("\r\n");\
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} printf("\r\n"); \
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}
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#else
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#define DEBUG_PAYLOAD(_p,_s)
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#endif
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extern uint8_t num_apps;
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extern app_t apps[4];
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extern app_t *current_app;
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struct apdu {
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uint8_t *header;
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uint32_t nc;
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uint32_t ne;
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uint8_t *data;
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uint16_t sw;
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uint8_t *rdata;
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uint16_t rlen;
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} __packed;
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#define CLA(a) a.header[0]
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#define INS(a) a.header[1]
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#define P1(a) a.header[2]
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#define P2(a) a.header[3]
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#define res_APDU apdu.rdata
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#define res_APDU_size apdu.rlen
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extern struct apdu apdu;
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extern uint16_t set_res_sw (uint8_t sw1, uint8_t sw2);
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extern int process_apdu();
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extern size_t apdu_process(const uint8_t *buffer, size_t buffer_size);
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extern void apdu_finish();
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extern size_t apdu_next();
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#endif
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