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D2I_PKCS8PRIVATEKEY_BIO(3)	    OpenSSL	    D2I_PKCS8PRIVATEKEY_BIO(3)

NAME
       d2i_PKCS8PrivateKey_bio,	d2i_PKCS8PrivateKey_fp,
       i2d_PKCS8PrivateKey_bio,	i2d_PKCS8PrivateKey_fp,
       i2d_PKCS8PrivateKey_nid_bio, i2d_PKCS8PrivateKey_nid_fp - PKCS#8	format
       private key functions

SYNOPSIS
	#include <openssl/evp.h>

	EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);
	EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);

	int i2d_PKCS8PrivateKey_bio(BIO	*bp, EVP_PKEY *x, const	EVP_CIPHER *enc,
				    char *kstr,	int klen,
				    pem_password_cb *cb, void *u);

	int i2d_PKCS8PrivateKey_fp(FILE	*fp, EVP_PKEY *x, const	EVP_CIPHER *enc,
				   char	*kstr, int klen,
				   pem_password_cb *cb,	void *u);

	int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
					char *kstr, int	klen,
					pem_password_cb	*cb, void *u);

	int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
				       char *kstr, int klen,
				       pem_password_cb *cb, void *u);

DESCRIPTION
       The PKCS#8 functions encode and decode private keys in PKCS#8 format
       using both PKCS#5 v1.5 and PKCS#5 v2.0 password based encryption
       algorithms.

       Other than the use of DER as opposed to PEM these functions are
       identical to the	corresponding PEM function as described	in
       PEM_read_PrivateKey(3).

NOTES
       These functions are currently the only way to store encrypted private
       keys using DER format.

       Currently all the functions use BIOs or FILE pointers, there are	no
       functions which work directly on	memory:	this can be readily worked
       around by converting the	buffers	to memory BIOs,	see BIO_s_mem(3) for
       details.

       These functions make no assumption regarding the	pass phrase received
       from the	password callback.  It will simply be treated as a byte
       sequence.

RETURN VALUES
       d2i_PKCS8PrivateKey_bio() and d2i_PKCS8PrivateKey_fp() return a valid
       EVP_PKEY	structure or NULL if an	error occurred.

       i2d_PKCS8PrivateKey_bio(), i2d_PKCS8PrivateKey_fp(),
       i2d_PKCS8PrivateKey_nid_bio() and i2d_PKCS8PrivateKey_nid_fp() return 1
       on success or 0 on error.

SEE ALSO
       PEM_read_PrivateKey(3), passphrase-encoding(7)

COPYRIGHT
       Copyright 2002-2018 The OpenSSL Project Authors.	All Rights Reserved.

       Licensed	under the OpenSSL license (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>.

1.1.1d				  2019-09-10	    D2I_PKCS8PRIVATEKEY_BIO(3)

NAME | SYNOPSIS | DESCRIPTION | NOTES | RETURN VALUES | SEE ALSO | COPYRIGHT

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