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adc73bfcb3
Engines are removed and the documentation should reflect that, even with deprecated and legacy API. Resolves: https://github.com/openssl/project/issues/1366 Signed-off-by: Norbert Pocs <norbertp@openssl.org> Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Saša Nedvědický <sashan@openssl.org> Reviewed-by: Saša Nedvědický <sashan@openssl.org> Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/29305)
89 lines
2.7 KiB
Plaintext
89 lines
2.7 KiB
Plaintext
=pod
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=head1 NAME
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DSA_set_default_method, DSA_get_default_method,
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DSA_set_method, DSA_new_method, DSA_OpenSSL - select DSA method
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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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void DSA_set_default_method(const DSA_METHOD *meth);
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const DSA_METHOD *DSA_get_default_method(void);
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int DSA_set_method(DSA *dsa, const DSA_METHOD *meth);
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DSA *DSA_new_method(ENGINE *engine);
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const DSA_METHOD *DSA_OpenSSL(void);
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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 providers instead of method overrides.
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A B<DSA_METHOD> specifies the functions that OpenSSL uses for DSA
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operations. By modifying the method, alternative implementations
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such as hardware accelerators may be used.
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Initially, the default DSA_METHOD is the OpenSSL internal implementation,
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as returned by DSA_OpenSSL().
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DSA_set_default_method() makes B<meth> the default method for all DSA
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structures created later.
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B<NB>: This function is not thread-safe and should not be called at the same time
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as other OpenSSL functions.
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DSA_get_default_method() returns a pointer to the current default
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DSA_METHOD.
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DSA_set_method() selects B<meth> to perform all operations using the key
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B<dsa>. This will replace the DSA_METHOD used by the DSA key.
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It is possible to have DSA keys that only work with certain DSA_METHOD
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implementations, and in such cases attempting to change the DSA_METHOD for the
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key can have unexpected results. See L<DSA_meth_new(3)> for information on
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constructing custom DSA_METHOD objects.
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DSA_new_method() allocates and initializes a DSA structure so that the
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DSA_METHOD controlled by DSA_set_default_method() is used. I<engine> B<must>
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be NULL.
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=head1 RETURN VALUES
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DSA_OpenSSL() and DSA_get_default_method() return pointers to the respective
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B<DSA_METHOD>s.
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DSA_set_default_method() returns no value.
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DSA_set_method() returns nonzero if the provided B<meth> was successfully set as
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the method for B<dsa>.
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DSA_new_method() returns NULL and sets an error code that can be
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obtained by L<ERR_get_error(3)> if the allocation
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fails. Otherwise it returns a pointer to the newly allocated structure.
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=head1 SEE ALSO
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L<DSA_new(3)>, L<DSA_new(3)>, L<DSA_meth_new(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 2000-2025 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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