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Fix returning APDU.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-05 16:48:01 +02:00
parent 23a9d2de76
commit 888a1c92c5
1 changed files with 4 additions and 7 deletions
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11
src/fido/cmd_register.c
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@@ -23,8 +23,6 @@
#include "random.h"
#include "files.h"
extern int scan_files();
int cmd_register() {
U2F_REGISTER_REQ *req = (U2F_REGISTER_REQ *)apdu.data;
U2F_REGISTER_RESP *resp = (U2F_REGISTER_RESP *)res_APDU;
@@ -35,8 +33,7 @@ int cmd_register() {
mbedtls_ecdsa_context key;
mbedtls_ecdsa_init(&key);
int ret = derive_key(req->appId, true, resp->keyHandleCertSig, &key);
if (ret != CCID_OK)
{
if (ret != CCID_OK) {
mbedtls_ecdsa_free(&key);
return SW_EXEC_ERROR();
}
@@ -58,8 +55,8 @@ int cmd_register() {
if (ret != 0)
return SW_EXEC_ERROR();
mbedtls_ecdsa_init(&key);
ret = mbedtls_ecp_read_key(MBEDTLS_ECP_DP_SECP256R1, &key, file_get_data(ef_keydev), 32);if (ret != CCID_OK)
{
ret = mbedtls_ecp_read_key(MBEDTLS_ECP_DP_SECP256R1, &key, file_get_data(ef_keydev), 32);
if (ret != CCID_OK) {
mbedtls_ecdsa_free(&key);
return SW_EXEC_ERROR();
}
@@ -67,7 +64,7 @@ int cmd_register() {
mbedtls_ecdsa_free(&key);
if (ret != 0)
return SW_EXEC_ERROR();
res_APDU_size = sizeof(U2F_REGISTER_RESP) - U2F_MAX_ATT_CERT_SIZE - U2F_MAX_KH_SIZE + KEY_HANDLE_LEN + ef_certdev_size;
res_APDU_size = sizeof(U2F_REGISTER_RESP) - sizeof(resp->keyHandleCertSig) + KEY_HANDLE_LEN + ef_certdev_size + olen;
DEBUG_PAYLOAD(res_APDU, res_APDU_size);
return SW_OK();
}