[#ENGINE_load_ssl_client_cert]
= ENGINE_load_ssl_client_cert
:mrdocs:

Load an SSL client certificate and key via an ENGINE (deprecated).

== Synopsis

Declared in `<openssl/engine.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
ENGINE_load_ssl_client_cert(
    xref:ENGINE.adoc[ENGINE]* e,
    xref:SSL.adoc[SSL]* s,
    xref:stack_st_X509_NAME.adoc[stack_st_X509_NAME]* ca_dn,
    xref:X509.adoc[X509]** pcert,
    xref:EVP_PKEY.adoc[EVP_PKEY]** ppkey,
    xref:stack_st_X509.adoc[stack_st_X509]** pother,
    xref:UI_METHOD.adoc[UI_METHOD]* ui_method,
    void* callback_data);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| Initialised ENGINE that implements SSL client‐cert loading.
| *s*
| SSL connection requesting a client certificate.
| *ca_dn*
| Acceptable CA names from the server, or NULL.
| *pcert*
| Receives the selected client certificate.
| *ppkey*
| Receives the matching private key.
| *pother*
| Optional stack receiving additional chain certificates, or NULL.
| *ui_method*
| UI method for PIN/passphrase prompts, or NULL.
| *callback_data*
| Application pointer passed to `ui_method.`
|===


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