Files
pico-openpgp/src/openpgp/cmd_mse.c
Pol Henarejos 95a4f7201b Move cmd functions to separate files.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2025-01-08 11:46:49 +01:00

50 lines
1.6 KiB
C

/*
* This file is part of the Pico OpenPGP distribution (https://github.com/polhenarejos/pico-openpgp).
* Copyright (c) 2022 Pol Henarejos.
*
* 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, version 3.
*
* 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/>.
*/
#include "openpgp.h"
int cmd_mse() {
if (P1(apdu) != 0x41 || (P2(apdu) != 0xA4 && P2(apdu) != 0xB8)) {
return SW_WRONG_P1P2();
}
if (apdu.data[0] != 0x83 || apdu.data[1] != 0x1 ||
(apdu.data[2] != 0x2 && apdu.data[2] != 0x3)) {
return SW_WRONG_DATA();
}
if (P2(apdu) == 0xA4) {
if (apdu.data[2] == 0x2) {
algo_dec = EF_ALGO_PRIV2;
pk_dec = EF_PK_DEC;
}
else if (apdu.data[2] == 0x3) {
algo_dec = EF_ALGO_PRIV3;
pk_dec = EF_PK_AUT;
}
}
else if (P2(apdu) == 0xB8) {
if (apdu.data[2] == 0x2) {
algo_aut = EF_ALGO_PRIV2;
pk_aut = EF_PK_DEC;
}
else if (apdu.data[2] == 0x3) {
algo_aut = EF_ALGO_PRIV3;
pk_aut = EF_PK_AUT;
}
}
return SW_OK();
}