[#PEM_read_bio_ECPrivateKey]
= PEM_read_bio_ECPrivateKey
:mrdocs:

Read an EC private key from a PEM‐encoded BIO (deprecated).

== Synopsis

Declared in `<openssl/pem.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:EC_KEY.adoc[EC_KEY]*
PEM_read_bio_ECPrivateKey(
    xref:BIO.adoc[BIO]* bp,
    xref:EC_KEY.adoc[EC_KEY]** x,
    xref:pem_password_cb.adoc[pem_password_cb]* cb,
    void* u);
----

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

EC_KEY on success, or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO to read from.
| *x*
| Optional address of an EC_KEY pointer to reuse, or NULL.
| *cb*
| Password callback for encrypted PEM, or NULL.
| *u*
| Application data passed to `cb.`
|===


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