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Fixed bug with size of cvc.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-02-22 14:27:13 +01:00
parent f97555a8da
commit 67698eca94
1 changed files with 4 additions and 4 deletions
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8
sc_hsm.c
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@@ -567,7 +567,7 @@ sc_context_t *create_context() {
sc_context_param_t ctx_opts;
memset(&ctx_opts, 0, sizeof(sc_context_param_t));
sc_context_create(&ctx, &ctx_opts);
ctx->debug = 0;
ctx->debug = 9;
ctx->debug_file = stdout;
return ctx;
}
@@ -694,7 +694,7 @@ int sc_pkcs15emu_sc_hsm_encode_cvc_req(sc_pkcs15_card_t * p15card, sc_cvc_t *cvc
}
void cvc_init_common(sc_cvc_t *cvc) {
memset(cvc, 0, sizeof(cvc));
memset(cvc, 0, sizeof(sc_cvc_t));
strlcpy(cvc->car, "UTCA00001", sizeof cvc->car);
strlcpy(cvc->chr, "ESHSMCVCA", sizeof cvc->chr);
@@ -837,12 +837,12 @@ static int cmd_keypair_gen() {
cvc.publicPoint = (uint8_t *)calloc(1, cvc.publicPointlen);
ret = mbedtls_ecp_point_write_binary(&ecdsa.grp, &ecdsa.Q, MBEDTLS_ECP_PF_UNCOMPRESSED, &cvc.publicPointlen, cvc.publicPoint, cvc.publicPointlen);
printf("ret wb %d\r\n",ret);
cvc.modulusSize = ec_id; //we store the ec_id in the modulusSize, used for RSA, as it is an integer
uint8_t hsh[32];
cvc_prepare_signatures(&p15card, &cvc, ecdsa.grp.pbits*2/8+9, hsh);
ret = mbedtls_ecdsa_write_signature(&ecdsa, MBEDTLS_MD_SHA256, hsh, sizeof(hsh), cvc.signature, cvc.signatureLen, &cvc.signatureLen, NULL, NULL);
ret = mbedtls_ecdsa_write_signature(&ecdsa, MBEDTLS_MD_SHA256, hsh, sizeof(hsh), cvc.signature, cvc.signatureLen, &cvc.signatureLen, random_gen, &index);
printf("ret %d\r\n");
int r = sc_pkcs15emu_sc_hsm_encode_cvc_req(&p15card, &cvc, &cvcbin, &cvclen, false);