[#EC_KEY_priv2buf]
= EC&lowbar;KEY&lowbar;priv2buf
:mrdocs:

Encodes an EC&lowbar;KEY private key to an allocated octet string

== Synopsis

Declared in `&lt;openssl&sol;ec&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
size&lowbar;t
EC&lowbar;KEY&lowbar;priv2buf(
    xref:EC_KEY.adoc[EC&lowbar;KEY] const* eckey,
    unsigned char** pbuf);
----

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

the length of the encoded octet string or 0 if an error occurred

== Parameters

[cols="1,4"]
|===
| Name| Description
| *eckey*
| key to encode
| *pbuf*
| returns pointer to allocated buffer
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#
