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Fix TX/RX buffers to align them with USB buffers and avoid overflows.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-12-24 02:06:15 +01:00
parent 991f5fc960
commit c6b03e54ca
7 changed files with 13 additions and 18 deletions
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6
src/hsm/cmd_initialize.c
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@@ -210,7 +210,7 @@ int cmd_initialize() {
return SW_EXEC_ERROR();
}
uint16_t ee_len = 0, term_len = 0;
if ((ee_len = asn1_cvc_aut(&ecdsa, PICO_KEYS_KEY_EC, res_APDU, 4096, NULL, 0)) == 0) {
if ((ee_len = asn1_cvc_aut(&ecdsa, PICO_KEYS_KEY_EC, res_APDU, MAX_APDU_DATA, NULL, 0)) == 0) {
mbedtls_ecdsa_free(&ecdsa);
return SW_EXEC_ERROR();
}
@@ -222,7 +222,7 @@ int cmd_initialize() {
return SW_EXEC_ERROR();
}
if ((term_len = asn1_cvc_cert(&ecdsa, PICO_KEYS_KEY_EC, res_APDU + ee_len, 4096 - ee_len, NULL, 0, true)) == 0) {
if ((term_len = asn1_cvc_cert(&ecdsa, PICO_KEYS_KEY_EC, res_APDU + ee_len, MAX_APDU_DATA - ee_len, NULL, 0, true)) == 0) {
mbedtls_ecdsa_free(&ecdsa);
return SW_EXEC_ERROR();
}
@@ -235,7 +235,7 @@ int cmd_initialize() {
const uint8_t *keyid = (const uint8_t *) "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0",
*label = (const uint8_t *) "ESPICOHSMTR";
uint16_t prkd_len = asn1_build_prkd_ecc(label, (uint16_t)strlen((const char *) label), keyid, 20, 256, res_APDU, 4096);
uint16_t prkd_len = asn1_build_prkd_ecc(label, (uint16_t)strlen((const char *) label), keyid, 20, 256, res_APDU, MAX_APDU_DATA);
fpk = search_file(EF_PRKD_DEV);
ret = file_put_data(fpk, res_APDU, prkd_len);
}