int CheckCertSignature(const byte* cert, word32 certSz, void* heap, void* cm)
{
    return CheckCertSignature_ex(cert, certSz, heap, cm, NULL, 0, 0, 0);
}
int CheckCertSignature(const byte* cert, word32 certSz, void* heap, void* cm)
{
    return CheckCertSignature_ex(cert, certSz, heap, cm, NULL, 0, 0, 0);
}