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- .\" -*- mode: troff; coding: utf-8 -*-
- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
- .\"
- .\" Standard preamble:
- .\" ========================================================================
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- .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
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- .\" ========================================================================
- .\"
- .IX Title "EVP_PKEY2PKCS8 3ossl"
- .TH EVP_PKEY2PKCS8 3ossl 2025-01-17 3.4.0 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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