[#EVP_PKEY_copy_parameters]
= EVP_PKEY_copy_parameters
:mrdocs:

Copy algorithm parameters from one EVP_PKEY into another of the same type.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_copy_parameters(
    xref:EVP_PKEY.adoc[EVP_PKEY]* to,
    xref:EVP_PKEY.adoc[EVP_PKEY] const* from);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *to*
| Destination key that receives the parameters.
| *from*
| Source key whose parameters are copied.
|===


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