sk_ASN1_TYPE_num
if (sk_ASN1_TYPE_num(inkey) == 6) {
} else if (sk_ASN1_TYPE_num(inkey) == 4) {
} else if (sk_ASN1_TYPE_num(inkey) == 3) { /* This seems to be PKCS8, not
return sk_ASN1_TYPE_num(attr->set);