void mbedtls_x509_crt_init( mbedtls_x509_crt *crt )
{
    memset( crt, 0, sizeof(mbedtls_x509_crt) );
}
void mbedtls_x509_crt_init( mbedtls_x509_crt *crt )
{
    memset( crt, 0, sizeof(mbedtls_x509_crt) );
}