/usr/include/mrtd/bachelper.h is in libmrtd-dev 0.1.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | /*
* header for bachelper.c
*
* Copyright (C) 2014 Ruben Undheim <ruben.undheim@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef INC_BAC_HELPER_H
#define INC_BAC_HELPER_H
#include <stdint.h>
void mrtd_bac_kmrz_to_kenc_kmac(const uint8_t *kmrz, uint8_t *kenc, uint8_t *kmac);
void mrtd_bac_kenc_kmac(const uint8_t *input, uint8_t *kenc, uint8_t *kmac);
void mrtd_bac_eifd_mifd(const uint8_t *rnd_ifd, const uint8_t *kifd, const uint8_t *remote_challenge, const uint8_t *kenc, const uint8_t *kmac, uint8_t *eifd, uint8_t *mifd);
void mrtd_bac_cmd_data(const uint8_t *rnd_ifd, const uint8_t *kifd, const uint8_t *remote_challenge, const uint8_t *kenc, const uint8_t *kmac, uint8_t *cmd_data);
char mrtd_bac_challenge_ok(const uint8_t *rx_data, const uint8_t *kenc, const uint8_t *rnd_ifd, uint8_t *rnd_icc, uint8_t *kicc);
uint64_t mrtd_bac_get_ssc(const uint8_t *remote_challenge, const uint8_t *rnd_ifd);
void mrtd_bac_protected_apdu(const uint8_t *input, uint8_t *output, const int length, int *outputlength, const uint8_t *ksenc, const uint8_t *ksmac, const uint64_t ssc_long);
void mrtd_bac_decrypt_response(const uint8_t *input, uint8_t *output, const int length, int *outputlength, const uint8_t *ksenc);
int mrtd_bac_check_digit(const uint8_t *input, const int length);
void mrtd_bac_get_kmrz(const uint8_t *pn, const uint8_t *dob, const uint8_t *eov, uint8_t *output);
void mrtd_bac_get_kmrz_from_mrz(const uint8_t *mrz, uint8_t *kmrz);
#endif /* INC_BAC_HELPER_H */
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