coelner/pico-fido
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Added support for swap.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2023-04-01 23:35:19 +02:00
parent fa811e2a0f
commit 1d7bdb0861
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GPG Key ID: C0095B7870A4CCD3
1 changed files with 24 additions and 1 deletions
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25
src/fido/otp.c
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@ -365,7 +365,7 @@ int cmd_otp() {
if (odata->rfu[0] != 0 || odata->rfu[1] != 0 || check_crc(odata) == false) {
return SW_WRONG_DATA();
}
file_t *ef = file_new(p1 == 0x04 ? EF_OTP_SLOT1 : EF_OTP_SLOT2);
file_t *ef = search_dynamic_file(p1 == 0x04 ? EF_OTP_SLOT1 : EF_OTP_SLOT2);
if (file_has_data(ef)) {
otp_config_t *otpc = (otp_config_t *) file_get_data(ef);
if (memcmp(otpc->acc_code, apdu.data + otp_config_size, ACC_CODE_SIZE) != 0) {
@ -380,6 +380,29 @@ int cmd_otp() {
low_flash_available();
}
}
else if (p1 == 0x06) {
uint8_t tmp[otp_config_size + 8];
bool ef1_data = false;
file_t *ef1 = file_new(EF_OTP_SLOT1);
file_t *ef2 = file_new(EF_OTP_SLOT2);
if (file_has_data(ef1)) {
memcpy(tmp, file_get_data(ef1), file_get_size(ef1));
ef1_data = true;
}
if (file_has_data(ef2)) {
flash_write_data_to_file(ef1, file_get_data(ef2), file_get_size(ef2));
}
else {
delete_file(ef1);
}
if (ef1_data) {
flash_write_data_to_file(ef2, tmp, sizeof(tmp));
}
else {
delete_file(ef2);
}
low_flash_available();
}
else if (p1 == 0x10) {
#ifndef ENABLE_EMULATION
pico_get_unique_board_id_string((char *) res_APDU, 4);