[#SSL_CTX_enable_ct]
= SSL_CTX_enable_ct
:mrdocs:

Enable Certificate Transparency validation on an SSL context (inherited by new connections).

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_CTX_enable_ct(
    xref:SSL_CTX.adoc[SSL_CTX]* ctx,
    int validation_mode);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| SSL context to configure.
| *validation_mode*
| SSL_CT_VALIDATION_PERMISSIVE or SSL_CT_VALIDATION_STRICT.
|===


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