openssl/doc/man3/DSA_generate_key.pod

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=pod
=head1 NAME
DSA_generate_key - generate DSA key pair
=head1 SYNOPSIS
#include <openssl/dsa.h>
int DSA_generate_key(DSA *a);
=head1 DESCRIPTION
DSA_generate_key() expects B<a> to contain DSA parameters. It generates
a new key pair and stores it in B<a-E<gt>pub_key> and B<a-E<gt>priv_key>.
The random generator must be seeded prior to calling DSA_generate_key().
If the automatic seeding or reseeding of the OpenSSL CSPRNG fails due to
external circumstances (see L<RAND(7)>), the operation will fail.
=head1 RETURN VALUES
DSA_generate_key() returns 1 on success, 0 otherwise.
The error codes can be obtained by L<ERR_get_error(3)>.
=head1 SEE ALSO
L<DSA_new(3)>, L<ERR_get_error(3)>, L<RAND_bytes(3)>,
L<DSA_generate_parameters_ex(3)>
=head1 COPYRIGHT
Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (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
L<https://www.openssl.org/source/license.html>.
=cut