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Add vendor commands via CCID

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-01-22 00:26:51 +01:00
parent 60165c21ca
commit c8d62de621
1 changed files with 22 additions and 1 deletions
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23
src/fido/fido.c
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@@ -53,6 +53,11 @@ const uint8_t fido_aid[] = {
0xA0, 0x00, 0x00, 0x06, 0x47, 0x2F, 0x00, 0x01 0xA0, 0x00, 0x00, 0x06, 0x47, 0x2F, 0x00, 0x01
}; };
const uint8_t fido_aid_backup[] = {
8,
0xB0, 0x00, 0x00, 0x06, 0x47, 0x2F, 0x00, 0x01
};
const uint8_t atr_fido[] = { const uint8_t atr_fido[] = {
23, 23,
0x3b, 0xfd, 0x13, 0x00, 0x00, 0x81, 0x31, 0xfe, 0x15, 0x80, 0x73, 0xc0, 0x21, 0xc0, 0x57, 0x59, 0x3b, 0xfd, 0x13, 0x00, 0x00, 0x81, 0x31, 0xfe, 0x15, 0x80, 0x73, 0xc0, 0x21, 0xc0, 0x57, 0x59,
@@ -86,6 +91,7 @@ INITIALIZER ( fido_ctor ) {
get_version_major = fido_get_version_major; get_version_major = fido_get_version_major;
get_version_minor = fido_get_version_minor; get_version_minor = fido_get_version_minor;
register_app(fido_select, fido_aid); register_app(fido_select, fido_aid);
register_app(fido_select, fido_aid_backup);
} }
int fido_unload() { int fido_unload() {
@@ -530,18 +536,32 @@ extern int cmd_register();
extern int cmd_authenticate(); extern int cmd_authenticate();
extern int cmd_version(); extern int cmd_version();
extern int cbor_parse(int, uint8_t *, size_t); extern int cbor_parse(int, uint8_t *, size_t);
extern int cbor_vendor(const uint8_t *data, size_t len);
extern void driver_init_hid(); extern void driver_init_hid();
#define CTAP_CBOR 0x10 #define CTAP_CBOR 0x10
int cmd_vendor() {
uint8_t *old_buf = res_APDU;
driver_init_hid();
int ret = cbor_vendor(apdu.data, apdu.nc);
res_APDU = old_buf;
if (ret != 0) {
return SW_EXEC_ERROR();
}
res_APDU_size += 1;
memcpy(res_APDU, ctap_resp->init.data, res_APDU_size);
return SW_OK();
}
int cmd_cbor() { int cmd_cbor() {
uint8_t *old_buf = res_APDU; uint8_t *old_buf = res_APDU;
driver_init_hid(); driver_init_hid();
int ret = cbor_parse(0x90, apdu.data, apdu.nc); int ret = cbor_parse(0x90, apdu.data, apdu.nc);
res_APDU = old_buf;
if (ret != 0) { if (ret != 0) {
return SW_EXEC_ERROR(); return SW_EXEC_ERROR();
} }
res_APDU = old_buf;
res_APDU_size += 1; res_APDU_size += 1;
memcpy(res_APDU, ctap_resp->init.data, res_APDU_size); memcpy(res_APDU, ctap_resp->init.data, res_APDU_size);
return SW_OK(); return SW_OK();
@@ -552,6 +572,7 @@ static const cmd_t cmds[] = {
{ CTAP_AUTHENTICATE, cmd_authenticate }, { CTAP_AUTHENTICATE, cmd_authenticate },
{ CTAP_VERSION, cmd_version }, { CTAP_VERSION, cmd_version },
{ CTAP_CBOR, cmd_cbor }, { CTAP_CBOR, cmd_cbor },
{ 0x41, cmd_vendor },
{ 0x00, 0x0 } { 0x00, 0x0 }
}; };