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=pod
=head1 NAME
DSA_SIG_new, DSA_SIG_free - allocate and free DSA signature objects
=head1 SYNOPSIS
#include <openssl/dsa.h>
DSA_SIG *DSA_SIG_new(void);
void DSA_SIG_free(DSA_SIG *a);
void DSA_SIG_get0(BIGNUM **pr, BIGNUM **ps, const DSA_SIG *sig);
=head1 DESCRIPTION
DSA_SIG_new() allocates and initializes a B<DSA_SIG> structure.
DSA_SIG_free() frees the B<DSA_SIG> structure and its components. The
values are erased before the memory is returned to the system.
DSA_SIG_get0() returns internal pointers the B<r> and B<s> values contained
in B<sig>. The values can then be examined or initialised.
=head1 RETURN VALUES
If the allocation fails, DSA_SIG_new() returns B<NULL> and sets an
error code that can be obtained by
L<ERR_get_error(3)>. Otherwise it returns a pointer
to the newly allocated structure.
DSA_SIG_free() returns no value.
=head1 SEE ALSO
L<dsa(3)>, L<ERR_get_error(3)>,
L<DSA_do_sign(3)>
=head1 COPYRIGHT
Copyright 2000-2016 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
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