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Return SW 6600 when button timeouts.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-05-05 22:30:07 +02:00
parent 89bb5d2815
commit cb338af8fb
1 changed files with 22 additions and 4 deletions
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26
src/hsm/sc_hsm.c
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@@ -1373,8 +1373,12 @@ static int cmd_signature() {
int r;
r = load_private_key_rsa(&ctx, fkey);
if (r != CCID_OK)
if (r != CCID_OK) {
mbedtls_rsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
const uint8_t *hash = apdu.cmd_apdu_data;
size_t hash_len = apdu.cmd_apdu_data_len;
if (p2 == ALGO_RSA_PKCS1) { //DigestInfo attached
@@ -1469,8 +1473,12 @@ static int cmd_signature() {
md = MBEDTLS_MD_SHA256;
int r;
r = load_private_key_ecdsa(&ctx, fkey);
if (r != CCID_OK)
return SW_CONDITIONS_NOT_SATISFIED();
if (r != CCID_OK) {
mbedtls_ecdsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
size_t olen = 0;
uint8_t buf[MBEDTLS_ECDSA_MAX_LEN];
if (mbedtls_ecdsa_write_signature(&ctx, md, apdu.cmd_apdu_data, apdu.cmd_apdu_data_len, buf, MBEDTLS_ECDSA_MAX_LEN, &olen, random_gen, NULL) != 0) {
@@ -1506,6 +1514,8 @@ static int cmd_key_wrap() {
r = load_private_key_rsa(&ctx, ef);
if (r != CCID_OK) {
mbedtls_rsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
r = dkek_encode_key(&ctx, HSM_KEY_RSA, res_APDU, &wrap_len);
@@ -1517,6 +1527,8 @@ static int cmd_key_wrap() {
r = load_private_key_ecdsa(&ctx, ef);
if (r != CCID_OK) {
mbedtls_ecdsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
r = dkek_encode_key(&ctx, HSM_KEY_EC, res_APDU, &wrap_len);
@@ -1621,8 +1633,12 @@ static int cmd_decrypt_asym() {
mbedtls_rsa_context ctx;
mbedtls_rsa_init(&ctx);
int r = load_private_key_rsa(&ctx, ef);
if (r != CCID_OK)
if (r != CCID_OK) {
mbedtls_rsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
int key_size = file_read_uint16(ef->data);
if (apdu.cmd_apdu_data_len < key_size) //needs padding
memset(apdu.cmd_apdu_data+apdu.cmd_apdu_data_len, 0, key_size-apdu.cmd_apdu_data_len);
@@ -1794,6 +1810,8 @@ static int cmd_derive_asym() {
r = load_private_key_ecdsa(&ctx, fkey);
if (r != CCID_OK) {
mbedtls_ecdsa_free(&ctx);
if (r == CCID_VERIFICATION_FAILED)
return SW_SECURE_MESSAGE_EXEC_ERROR();
return SW_EXEC_ERROR();
}
mbedtls_mpi a, nd;