| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | PKCS12_create - create a PKCS#12 structure
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| 6 |
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| 7 | =head1 SYNOPSIS
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| 8 |
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| 9 | #include <openssl/pkcs12.h>
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| 10 |
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| 11 | PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey,
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| 12 | X509 *cert, STACK_OF(X509) *ca,
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| 13 | int nid_key, int nid_cert, int iter, int mac_iter, int keytype);
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| 14 |
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| 15 | =head1 DESCRIPTION
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| 16 |
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| 17 | PKCS12_create() creates a PKCS#12 structure.
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| 18 |
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| 19 | B<pass> is the passphrase to use. B<name> is the B<friendlyName> to use for
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| 20 | the supplied certificate and key. B<pkey> is the private key to include in
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| 21 | the structure and B<cert> its corresponding certificates. B<ca>, if not B<NULL>
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| 22 | is an optional set of certificates to also include in the structure.
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| 23 |
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| 24 | B<nid_key> and B<nid_cert> are the encryption algorithms that should be used
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| 25 | for the key and certificate respectively. The modes
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| 26 | GCM, CCM, XTS, and OCB are unsupported. B<iter> is the encryption algorithm
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| 27 | iteration count to use and B<mac_iter> is the MAC iteration count to use.
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| 28 | B<keytype> is the type of key.
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| 29 |
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| 30 | =head1 NOTES
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| 31 |
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| 32 | The parameters B<nid_key>, B<nid_cert>, B<iter>, B<mac_iter> and B<keytype>
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| 33 | can all be set to zero and sensible defaults will be used.
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| 34 |
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| 35 | These defaults are: 40 bit RC2 encryption for certificates, triple DES
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| 36 | encryption for private keys, a key iteration count of PKCS12_DEFAULT_ITER
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| 37 | (currently 2048) and a MAC iteration count of 1.
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| 38 |
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| 39 | The default MAC iteration count is 1 in order to retain compatibility with
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| 40 | old software which did not interpret MAC iteration counts. If such compatibility
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| 41 | is not required then B<mac_iter> should be set to PKCS12_DEFAULT_ITER.
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| 42 |
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| 43 | B<keytype> adds a flag to the store private key. This is a non standard extension
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| 44 | that is only currently interpreted by MSIE. If set to zero the flag is omitted,
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| 45 | if set to B<KEY_SIG> the key can be used for signing only, if set to B<KEY_EX>
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| 46 | it can be used for signing and encryption. This option was useful for old
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| 47 | export grade software which could use signing only keys of arbitrary size but
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| 48 | had restrictions on the permissible sizes of keys which could be used for
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| 49 | encryption.
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| 50 |
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| 51 | If a certificate contains an B<alias> or B<keyid> then this will be
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| 52 | used for the corresponding B<friendlyName> or B<localKeyID> in the
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| 53 | PKCS12 structure.
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| 54 |
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| 55 | Either B<pkey>, B<cert> or both can be B<NULL> to indicate that no key or
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| 56 | certificate is required. In previous versions both had to be present or
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| 57 | a fatal error is returned.
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| 58 |
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| 59 | B<nid_key> or B<nid_cert> can be set to -1 indicating that no encryption
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| 60 | should be used.
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| 61 |
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| 62 | B<mac_iter> can be set to -1 and the MAC will then be omitted entirely.
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| 63 |
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| 64 | PKCS12_create() makes assumptions regarding the encoding of the given pass
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| 65 | phrase.
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| 66 | See L<passphrase-encoding(7)> for more information.
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| 67 |
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| 68 | =head1 RETURN VALUES
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| 69 |
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| 70 | PKCS12_create() returns a valid B<PKCS12> structure or NULL if an error occurred.
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| 71 |
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| 72 | =head1 SEE ALSO
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| 73 |
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| 74 | L<d2i_PKCS12(3)>,
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| 75 | L<passphrase-encoding(7)>
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| 76 |
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| 77 | =head1 COPYRIGHT
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| 78 |
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| 79 | Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
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| 80 |
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| 81 | Licensed under the OpenSSL license (the "License"). You may not use
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| 82 | this file except in compliance with the License. You can obtain a copy
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| 83 | in the file LICENSE in the source distribution or at
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| 84 | L<https://www.openssl.org/source/license.html>.
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| 85 |
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| 86 | =cut
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