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Fix outer CAR value.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2022-06-09 21:25:17 +02:00
parent 5eb086935e
commit a4d4f9a944
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GPG key ID: C0095B7870A4CCD3
1 changed files with 4 additions and 3 deletions
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7
src/hsm/cvc.c
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@ -202,8 +202,9 @@ size_t asn1_cvc_cert(void *rsa_ecdsa, uint8_t key_type, uint8_t *buf, size_t buf
size_t asn1_cvc_aut(void *rsa_ecdsa, uint8_t key_type, uint8_t *buf, size_t buf_len) {
size_t cvcert_size = asn1_cvc_cert(rsa_ecdsa, key_type, NULL, 0);
uint8_t *outcar = (uint8_t *)"ESHSM00001";
size_t lenoutcar = strlen((char *)outcar), outcar_size = asn1_len_tag(0x42, lenoutcar);
size_t outcar_len = 0;
const uint8_t *outcar = cvc_get_chr((uint8_t *)termca+2, (termca[1] << 8) | termca[0], &outcar_len);
size_t outcar_size = asn1_len_tag(0x42, outcar_len);
int key_size = 2*file_read_uint16(termca_pk), ret = 0;
size_t outsig_size = asn1_len_tag(0x5f37, key_size), tot_len = asn1_len_tag(0x67, cvcert_size+outcar_size+outsig_size);
if (buf_len == 0 || buf == NULL)
@ -217,7 +218,7 @@ size_t asn1_cvc_aut(void *rsa_ecdsa, uint8_t key_type, uint8_t *buf, size_t buf_
//cvcert
p += asn1_cvc_cert(rsa_ecdsa, key_type, p, cvcert_size);
//outcar
*p++ = 0x42; p += format_tlv_len(lenoutcar, p); memcpy(p, outcar, lenoutcar); p += lenoutcar;
*p++ = 0x42; p += format_tlv_len(outcar_len, p); memcpy(p, outcar, outcar_len); p += outcar_len;
mbedtls_ecdsa_context ctx;
mbedtls_ecdsa_init(&ctx);
if (mbedtls_ecp_read_key(MBEDTLS_ECP_DP_SECP192R1, &ctx, termca_pk+2, file_read_uint16(termca_pk)) != 0)