[#EVP_PKCS82PKEY_ex]
= EVP_PKCS82PKEY_ex
:mrdocs:

Convert PKCS#8 private key info into an EVP_PKEY using a library context.

== Synopsis

Declared in `<openssl/x509.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY.adoc[EVP_PKEY]*
EVP_PKCS82PKEY_ex(
    xref:PKCS8_PRIV_KEY_INFO.adoc[PKCS8_PRIV_KEY_INFO] const* p8,
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    char const* propq);
----

== Return Value

New EVP_PKEY, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p8*
| PKCS#8 PrivateKeyInfo structure to decode.
| *libctx*
| Library context for algorithm fetches, or NULL for the default.
| *propq*
| Property query for algorithm fetches, or NULL.
|===


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