[#EVP_PKEY_asn1_set_get_pub_key]
= EVP_PKEY_asn1_set_get_pub_key
:mrdocs:

Install a callback that exports the raw public key encoding from an EVP_PKEY.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EVP_PKEY_asn1_set_get_pub_key(
    xref:EVP_PKEY_ASN1_METHOD.adoc[EVP_PKEY_ASN1_METHOD]* ameth,
    int(* get_pub_key)(xref:EVP_PKEY.adoc[EVP_PKEY] const*, unsigned char*, size_t*));
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ameth*
| ASN.1 method table to update.
| *get_pub_key*
| Callback that writes the public key into `pub` / updates `len.`
|===


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