2021-02-17 15:56:36 +08:00
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=pod
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=head1 NAME
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2021-04-30 07:11:42 +08:00
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PKCS12_gen_mac, PKCS12_setup_mac, PKCS12_set_mac,
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2021-02-17 15:56:36 +08:00
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PKCS12_verify_mac - Functions to create and manipulate a PKCS#12 structure
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=head1 SYNOPSIS
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#include <openssl/pkcs12.h>
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int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
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unsigned char *mac, unsigned int *maclen);
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int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen);
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int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen,
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unsigned char *salt, int saltlen, int iter,
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const EVP_MD *md_type);
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int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt,
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int saltlen, const EVP_MD *md_type);
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=head1 DESCRIPTION
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PKCS12_gen_mac() generates an HMAC over the entire PKCS#12 object using the
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2022-01-03 07:00:27 +08:00
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supplied password along with a set of already configured parameters.
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2021-02-17 15:56:36 +08:00
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PKCS12_verify_mac() verifies the PKCS#12 object's HMAC using the supplied
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password.
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PKCS12_setup_mac() sets the MAC part of the PKCS#12 structure with the supplied
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parameters.
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PKCS12_set_mac() sets the MAC and MAC parameters into the PKCS#12 object.
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I<pass> is the passphrase to use in the HMAC. I<salt> is the salt value to use,
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I<iter> is the iteration count and I<md_type> is the message digest
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function to use.
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=head1 NOTES
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If I<salt> is NULL then a suitable salt will be generated and used.
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If I<iter> is 1 then an iteration count will be omitted from the PKCS#12
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structure.
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PKCS12_gen_mac(), PKCS12_verify_mac() and PKCS12_set_mac() make assumptions
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regarding the encoding of the given passphrase. See L<passphrase-encoding(7)>
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for more information.
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=head1 RETURN VALUES
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All functions return 1 on success and 0 if an error occurred.
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=head1 CONFORMING TO
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IETF RFC 7292 (L<https://tools.ietf.org/html/rfc7292>)
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=head1 SEE ALSO
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L<d2i_PKCS12(3)>,
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L<PKCS12_create(3)>,
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L<passphrase-encoding(7)>
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=head1 COPYRIGHT
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2022-05-03 18:52:38 +08:00
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Copyright 2021-2022 The OpenSSL Project Authors. All Rights Reserved.
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2021-02-17 15:56:36 +08:00
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Licensed under the Apache License 2.0 (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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