[#OSSL_CMP_CTX_build_cert_chain]
= OSSL_CMP_CTX_build_cert_chain
:mrdocs:

Build and store a certificate chain for the CMP signer certificate.

== Synopsis

Declared in `<openssl/cmp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_CMP_CTX_build_cert_chain(
    xref:OSSL_CMP_CTX.adoc[OSSL_CMP_CTX]* ctx,
    xref:X509_STORE.adoc[X509_STORE]* own_trusted,
    xref:stack_st_X509.adoc[stack_st_X509]* candidates);
----

== Return Value

1 on success, 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| CMP context.
| *own_trusted*
| Optional trust store for chain validation, or NULL to ignore verification errors.
| *candidates*
| Optional intermediate certificates to augment the untrusted set.
|===


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