[#EVP_PKEY_CTX_get_params]
= EVP_PKEY_CTX_get_params
:mrdocs:

Retrieve parameters from a key context into an OSSL_PARAM array.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_CTX_get_params(
    xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx,
    xref:OSSL_PARAM.adoc[OSSL_PARAM]* params);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Key context to query.
| *params*
| Array of OSSL_PARAM request/response descriptors terminated by OSSL_PARAM_END.
|===


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