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3dbf824380
There was recently an instance where a user was confused by the deprecation warnings in the docs. They believed the warning applied to the immediately preceding function declarations, when it fact it applied to the following function declarations. https://mta.openssl.org/pipermail/openssl-users/2021-December/014665.html We clarify the wording to make it clear that the warning applies to the following functions. Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17180)
69 lines
1.9 KiB
Plaintext
69 lines
1.9 KiB
Plaintext
=pod
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=head1 NAME
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DSA_size, DSA_bits, DSA_security_bits - get DSA signature size, key bits or security bits
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=head1 SYNOPSIS
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#include <openssl/dsa.h>
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The following functions have been deprecated since OpenSSL 3.0, and can be
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hidden entirely by defining B<OPENSSL_API_COMPAT> with a suitable version value,
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see L<openssl_user_macros(7)>:
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int DSA_bits(const DSA *dsa);
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int DSA_size(const DSA *dsa);
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int DSA_security_bits(const DSA *dsa);
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=head1 DESCRIPTION
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All of the functions described on this page are deprecated.
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Applications should instead use L<EVP_PKEY_get_bits(3)>,
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L<EVP_PKEY_get_security_bits(3)> and L<EVP_PKEY_get_size(3)>.
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DSA_bits() returns the number of bits in key I<dsa>: this is the number
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of bits in the I<p> parameter.
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DSA_size() returns the maximum size of an ASN.1 encoded DSA signature
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for key I<dsa> in bytes. It can be used to determine how much memory must
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be allocated for a DSA signature.
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DSA_security_bits() returns the number of security bits of the given I<dsa>
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key. See L<BN_security_bits(3)>.
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=head1 RETURN VALUES
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DSA_security_bits() returns the number of security bits in the key, or -1 if
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I<dsa> doesn't hold any key parameters.
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DSA_bits() returns the number of bits in the key, or -1 if I<dsa> doesn't
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hold any key parameters.
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DSA_size() returns the signature size in bytes, or -1 if I<dsa> doesn't
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hold any key parameters.
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=head1 SEE ALSO
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L<EVP_PKEY_get_bits(3)>,
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L<EVP_PKEY_get_security_bits(3)>,
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L<EVP_PKEY_get_size(3)>,
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L<DSA_new(3)>, L<DSA_sign(3)>
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=head1 HISTORY
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All of these functions were deprecated in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
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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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