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.\" ========================================================================
.\"
.IX Title "DSA_NEW 3ssl"
.TH DSA_NEW 3ssl 2024-10-23 3.4.0 OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH NAME
DSA_new, DSA_free \- allocate and free DSA objects
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/dsa.h>
.Ve
.PP
The following functions have been deprecated since OpenSSL 3.0, and can be
hidden entirely by defining \fBOPENSSL_API_COMPAT\fR with a suitable version value,
see \fBopenssl_user_macros\fR\|(7):
.PP
.Vb 1
\& DSA* DSA_new(void);
\&
\& void DSA_free(DSA *dsa);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
All of the functions described on this page are deprecated.
Applications should instead use \fBEVP_PKEY_new\fR\|(3) and \fBEVP_PKEY_free\fR\|(3).
.PP
\&\fBDSA_new()\fR allocates and initializes a \fBDSA\fR structure. It is equivalent to
calling DSA_new_method(NULL).
.PP
\&\fBDSA_free()\fR frees the \fBDSA\fR structure and its components. The values are
erased before the memory is returned to the system.
If \fBdsa\fR is NULL nothing is done.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
If the allocation fails, \fBDSA_new()\fR returns \fBNULL\fR and sets an error
code that can be obtained by
\&\fBERR_get_error\fR\|(3). Otherwise it returns a pointer
to the newly allocated structure.
.PP
\&\fBDSA_free()\fR returns no value.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBEVP_PKEY_new\fR\|(3), \fBEVP_PKEY_free\fR\|(3),
\&\fBDSA_new\fR\|(3), \fBERR_get_error\fR\|(3),
\&\fBDSA_generate_parameters\fR\|(3),
\&\fBDSA_generate_key\fR\|(3)
.SH HISTORY
.IX Header "HISTORY"
All of these functions were deprecated in OpenSSL 3.0.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2000\-2016 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the "License").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.