=pod
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=head1 NAME
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PKCS12_parse - parse a PKCS#12 structure
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=head1 SYNOPSIS
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#include <openssl/pkcs12.h>
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int PKCS12_parse(PKCS12 *p12, const char *pass, EVP_PKEY **pkey, X509 **cert,
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STACK_OF(X509) **ca);
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=head1 DESCRIPTION
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PKCS12_parse() parses a PKCS12 structure.
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B<p12> is the B<PKCS12> structure to parse. B<pass> is the passphrase to use.
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If successful the private key will be written to B<*pkey>, the corresponding
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certificate to B<*cert> and any additional certificates to B<*ca>.
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=head1 NOTES
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The parameters B<pkey> and B<cert> cannot be B<NULL>. B<ca> can be <NULL> in
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which case additional certificates will be discarded. B<*ca> can also be a
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valid STACK in which case additional certificates are appended to B<*ca>. If
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B<*ca> is B<NULL> a new STACK will be allocated.
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The B<friendlyName> and B<localKeyID> attributes (if present) on each
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certificate will be stored in the B<alias> and B<keyid> attributes of the
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B<X509> structure.
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The parameter B<pass> is interpreted as a string in the UTF-8 encoding. If it
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is not valid UTF-8, then it is assumed to be ISO8859-1 instead.
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In particular, this means that passwords in the locale character set
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(or code page on Windows) must potentially be converted to UTF-8 before
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use. This may include passwords from local text files, or input from
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the terminal or command line. Refer to the documentation of
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L<UI_OpenSSL(3)>, for example.
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=head1 RETURN VALUES
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PKCS12_parse() returns 1 for success and zero if an error occurred.
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The error can be obtained from L<ERR_get_error(3)>
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=head1 BUGS
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Only a single private key and corresponding certificate is returned by this
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function. More complex PKCS#12 files with multiple private keys will only
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return the first match.
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Only B<friendlyName> and B<localKeyID> attributes are currently stored in
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certificates. Other attributes are discarded.
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Attributes currently cannot be stored in the private key B<EVP_PKEY> structure.
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=head1 SEE ALSO
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L<d2i_PKCS12(3)>,
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L<passphrase-encoding(7)>
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=head1 COPYRIGHT
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Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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