[#OCSP_cert_to_id]
= OCSP_cert_to_id
:mrdocs:

Build an OCSP CertID from a subject certificate and its issuer.

== Synopsis

Declared in `<openssl/ocsp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OCSP_CERTID.adoc[OCSP_CERTID]*
OCSP_cert_to_id(
    xref:EVP_MD.adoc[EVP_MD] const* dgst,
    xref:X509.adoc[X509] const* subject,
    xref:X509.adoc[X509] const* issuer);
----

== Return Value

New OCSP_CERTID, or NULL on error; free with OCSP_CERTID_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dgst*
| Digest used for name and key hashes, or NULL for SHA‐1.
| *subject*
| Certificate whose serial and issuer hashes identify the CertID.
| *issuer*
| Issuer certificate providing the issuer name and public key.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#