[#EVP_PKEY_get1_encoded_public_key]
= EVP_PKEY_get1_encoded_public_key
:mrdocs:

Allocate and return the encoded public‐key octet string for `pkey.`

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
EVP_PKEY_get1_encoded_public_key(
    xref:EVP_PKEY.adoc[EVP_PKEY]* pkey,
    unsigned char** ppub);
----

== Return Value

Length of the encoded public key in bytes, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pkey*
| Key whose public key is exported.
| *ppub*
| On success, set to a newly allocated buffer holding the encoded public key; free with OPENSSL_free().
|===


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