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.\" -*- mode: troff; coding: utf-8 -*-
.\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
.\"
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.\" ========================================================================
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.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
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.\" ========================================================================
.\"
.IX Title "EVP_PKEY2PKCS8 3SSL"
.TH EVP_PKEY2PKCS8 3SSL 2024-04-04 3.2.2-dev OpenSSL
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH NAME
EVP_PKEY2PKCS8, EVP_PKCS82PKEY_ex, EVP_PKCS82PKEY
\&\- Convert a private key to/from PKCS8
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/x509.h>
\&
\& PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(const EVP_PKEY *pkey);
\& EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8);
\& EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
\& const char *propq);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBEVP_PKEY2PKCS8()\fR converts a private key \fIpkey\fR into a returned PKCS8 object.
.PP
\&\fBEVP_PKCS82PKEY_ex()\fR converts a PKCS8 object \fIp8\fR into a returned private key.
It uses \fIlibctx\fR and \fIpropq\fR when fetching algorithms.
.PP
\&\fBEVP_PKCS82PKEY()\fR is similar to \fBEVP_PKCS82PKEY_ex()\fR but uses default values of
NULL for the \fIlibctx\fR and \fIpropq\fR.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBEVP_PKEY2PKCS8()\fR returns a PKCS8 object on success.
\&\fBEVP_PKCS82PKEY()\fR and \fBEVP_PKCS82PKEY_ex()\fR return a private key on success.
.PP
All functions return NULL if the operation fails.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBPKCS8_pkey_add1_attr\fR\|(3),
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2020\-2022 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.
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