[#EC_GROUP_to_params]
= EC_GROUP_to_params
:mrdocs:

Creates an OSSL_PARAM array with the parameters describing the given EC_GROUP. The resulting parameters may contain an explicit or a named curve depending on the EC_GROUP.

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL_PARAM]*
EC_GROUP_to_params(
    xref:EC_GROUP.adoc[EC_GROUP] const* group,
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    char const* propq,
    xref:BN_CTX.adoc[BN_CTX]* bnctx);
----

== Return Value

newly created OSSL_PARAM array with the parameters describing the given EC_GROUP or NULL if an error occurred

== Parameters

[cols="1,4"]
|===
| Name| Description
| *group*
| pointer to the EC_GROUP object
| *libctx*
| The associated library context or NULL for the default context
| *propq*
| A property query string
| *bnctx*
| BN_CTX object (optional)
|===


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