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Fixes update OTP when LT_CHAL is enabled.

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Fixes #141.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2025-04-08 18:59:50 +02:00
parent 21b12a7bff
commit 3212f95915
1 changed files with 10 additions and 3 deletions
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13
src/fido/otp.c
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@@ -92,7 +92,8 @@
#define OATH_FIXED_MODHEX2 0x40 // First two bytes in fixed part sent as modhex
#define OATH_FIXED_MODHEX 0x50 // Fixed part sent as modhex
#define OATH_FIXED_MASK 0x50 // Mask to get out fixed flags
#define CFGFLAG_UPDATE_MASK (PACING_10MS | PACING_20MS)
#define CFGFLAG_UPDATE_MASK_STATIC (PACING_10MS | PACING_20MS)
#define CFGFLAG_UPDATE_MASK_CHAL (PACING_20MS)
static uint8_t config_seq = { 1 };
@@ -434,8 +435,14 @@ int cmd_otp() {
(odata->ext_flags & EXTFLAG_UPDATE_MASK);
odata->tkt_flags = (otpc->tkt_flags & ~TKTFLAG_UPDATE_MASK) |
(odata->tkt_flags & TKTFLAG_UPDATE_MASK);
odata->cfg_flags = (otpc->cfg_flags & ~CFGFLAG_UPDATE_MASK) |
(odata->cfg_flags & CFGFLAG_UPDATE_MASK);
if (!(otpc->tkt_flags & CHAL_RESP)) {
odata->cfg_flags = (otpc->cfg_flags & ~CFGFLAG_UPDATE_MASK_STATIC) |
(odata->cfg_flags & CFGFLAG_UPDATE_MASK_STATIC);
}
else {
odata->cfg_flags = (otpc->cfg_flags & ~CFGFLAG_UPDATE_MASK_CHAL) |
(odata->cfg_flags & CFGFLAG_UPDATE_MASK_CHAL);
}
file_put_data(ef, apdu.data, otp_config_size);
low_flash_available();
config_seq++;