load_private_key.c

int load_private_key(const char* file, CassSsl* ssl) {
  CassError rc;
  char* cert;
  long cert_size;

  FILE *in = fopen(file, "rb");
  if (in == NULL) {
    fprintf(stderr, "Error loading private key file '%s'\n", file);
    return 0;
  }

  fseek(in, 0, SEEK_END);
  cert_size = ftell(in);
  rewind(in);

  cert = (char*)malloc(cert_size);
  fread(cert, sizeof(char), cert_size, in);
  fclose(in);

  rc = cass_ssl_set_private_key(ssl, cass_string_init2(cert, cert_size), "driver");
  if (rc != CASS_OK) {
    fprintf(stderr, "Error loading SSL private key: %s\n", cass_error_desc(rc));
    free(cert);
    return 0;
  }

  free(cert);
  return 1;
}

int main() {
  load_private_key("driver-private.pem", ssl);
  return 0;
}