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Last change
on this file since 101021 was 101021, checked in by vboxsync, 15 months ago |
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openssl-3.1.2: Applied and adjusted our OpenSSL changes to 3.1.0. bugref:10519
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File size:
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| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | DSA_dup_DH - create a DH structure out of DSA 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/dsa.h>
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| 10 |
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| 11 | The following functions have been deprecated since OpenSSL 3.0, and can be
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| 12 | hidden entirely by defining B<OPENSSL_API_COMPAT> with a suitable version value,
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| 13 | see L<openssl_user_macros(7)>:
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| 14 |
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| 15 | DH *DSA_dup_DH(const DSA *r);
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| 16 |
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| 17 | =head1 DESCRIPTION
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| 18 |
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| 19 | The function described on this page is deprecated. There is no direct
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| 20 | replacement, applications should use the EVP_PKEY APIs for Diffie-Hellman
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| 21 | operations.
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| 22 |
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| 23 | DSA_dup_DH() duplicates DSA parameters/keys as DH parameters/keys. q
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| 24 | is lost during that conversion, but the resulting DH parameters
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| 25 | contain its length.
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| 26 |
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| 27 | =head1 RETURN VALUES
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| 28 |
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| 29 | DSA_dup_DH() returns the new B<DH> structure, and NULL on error. The
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| 30 | error codes can be obtained by L<ERR_get_error(3)>.
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| 31 |
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| 32 | =head1 NOTE
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| 33 |
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| 34 | Be careful to avoid small subgroup attacks when using this.
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| 35 |
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| 36 | =head1 SEE ALSO
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| 37 |
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| 38 | L<DH_new(3)>, L<DSA_new(3)>, L<ERR_get_error(3)>
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| 39 |
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| 40 | =head1 HISTORY
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| 41 |
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| 42 | This function was deprecated in OpenSSL 3.0.
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| 43 |
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| 44 | =head1 COPYRIGHT
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| 45 |
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| 46 | Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 47 |
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| 48 | Licensed under the Apache License 2.0 (the "License"). You may not use
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| 49 | this file except in compliance with the License. You can obtain a copy
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| 50 | in the file LICENSE in the source distribution or at
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| 51 | L<https://www.openssl.org/source/license.html>.
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| 52 |
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| 53 | =cut
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