Callback type that looks up a certificate by issuer name and serial number.
Declared in <openssl/x509_vfy.h>
typedef int(* X509_LOOKUP_get_by_issuer_serial_fn)(X509_LOOKUP*, X509_LOOKUP_TYPE, X509_NAME const*, ASN1_INTEGER const*, X509_OBJECT*);1 on success, or 0 on failure / not found.
| Name | Description |
|---|---|
| ctx | Lookup instance to query. |
| type | Object kind (typically X509_LU_X509). |
| name | Issuer distinguished name. |
| serial | Certificate serial number. |
| ret | Receives the found object on success. |