dearsky/pico-fido
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Fix warnings.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-08-23 13:17:51 +02:00
parent dac6407134
commit 6c74db9763
20 changed files with 225 additions and 398 deletions
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23
src/fido/cmd_authenticate.c
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@@ -65,36 +65,27 @@ int cmd_authenticate() {
resp->flags = 0;
resp->flags |= P1(apdu) == CTAP_AUTH_ENFORCE ? CTAP_AUTH_FLAG_TUP : 0x0;
uint32_t ctr = get_sign_counter();
resp->ctr[0] = ctr >> 24;
resp->ctr[1] = ctr >> 16;
resp->ctr[2] = ctr >> 8;
resp->ctr[3] = ctr & 0xff;
resp->ctr[0] = (ctr >> 24) & 0xFF;
resp->ctr[1] = (ctr >> 16) & 0xFF;
resp->ctr[2] = (ctr >> 8) & 0xFF;
resp->ctr[3] = ctr & 0xFF;
uint8_t hash[32], sig_base[CTAP_APPID_SIZE + 1 + 4 + CTAP_CHAL_SIZE];
memcpy(sig_base, req->appId, CTAP_APPID_SIZE);
memcpy(sig_base + CTAP_APPID_SIZE, &resp->flags, sizeof(uint8_t));
memcpy(sig_base + CTAP_APPID_SIZE + 1, resp->ctr, 4);
memcpy(sig_base + CTAP_APPID_SIZE + 1 + 4, req->chal, CTAP_CHAL_SIZE);
ret =
mbedtls_md(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), sig_base, sizeof(sig_base), hash);
ret = mbedtls_md(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), sig_base, sizeof(sig_base), hash);
if (ret != 0) {
mbedtls_ecdsa_free(&key);
return SW_EXEC_ERROR();
}
size_t olen = 0;
ret = mbedtls_ecdsa_write_signature(&key,
MBEDTLS_MD_SHA256,
hash,
32,
(uint8_t *) resp->sig,
CTAP_MAX_EC_SIG_SIZE,
&olen,
random_gen,
NULL);
ret = mbedtls_ecdsa_write_signature(&key, MBEDTLS_MD_SHA256, hash, 32, (uint8_t *) resp->sig, CTAP_MAX_EC_SIG_SIZE, &olen, random_gen, NULL);
mbedtls_ecdsa_free(&key);
if (ret != 0) {
return SW_EXEC_ERROR();
}
res_APDU_size = 1 + 4 + olen;
res_APDU_size = 1 + 4 + (uint16_t)olen;
ctr++;
file_put_data(ef_counter, (uint8_t *) &ctr, sizeof(ctr));