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Fix OTP slot deletion.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-08-14 18:45:36 +02:00
parent 30f51b8453
commit a79842b33f
1 changed files with 3 additions and 3 deletions
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6
src/fido/otp.c
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@@ -337,9 +337,6 @@ int cmd_otp() {
}
if (p1 == 0x01 || p1 == 0x03) { // Configure slot
otp_config_t *odata = (otp_config_t *)apdu.data;
if (odata->rfu[0] != 0 || odata->rfu[1] != 0 || check_crc(odata) == false) {
return SW_WRONG_DATA();
}
file_t *ef = file_new(p1 == 0x01 ? EF_OTP_SLOT1 : EF_OTP_SLOT2);
if (file_has_data(ef)) {
otp_config_t *otpc = (otp_config_t *) file_get_data(ef);
@@ -349,6 +346,9 @@ int cmd_otp() {
}
for (int c = 0; c < otp_config_size; c++) {
if (apdu.data[c] != 0) {
if (odata->rfu[0] != 0 || odata->rfu[1] != 0 || check_crc(odata) == false) {
return SW_WRONG_DATA();
}
memset(apdu.data + otp_config_size, 0, 8); // Add 8 bytes extra
flash_write_data_to_file(ef, apdu.data, otp_config_size + 8);
low_flash_available();