Revision e37b7014f3f52124b787ca1b5b51b0111462a0ac authored by Tomas Mraz on 12 October 2018, 15:24:14 UTC, committed by Kurt Roeckx on 10 November 2018, 20:30:27 UTC
Reviewed-by: Kurt Roeckx <kurt@roeckx.be> Reviewed-by: Richard Levitte <levitte@openssl.org> GH: #7391 (cherry picked from commit 75b68c9e4e8591a4ebe083cb207aeb121baf549f)
1 parent 98f6297
DSA_size.pod
=pod
=head1 NAME
DSA_size, DSA_bits, DSA_security_bits - get DSA signature size, key bits or security bits
=head1 SYNOPSIS
#include <openssl/dsa.h>
int DSA_size(const DSA *dsa);
int DSA_bits(const DSA *dsa);
int DSA_security_bits(const DSA *dsa);
=head1 DESCRIPTION
DSA_size() returns the maximum size of an ASN.1 encoded DSA signature
for key B<dsa> in bytes. It can be used to determine how much memory must
be allocated for a DSA signature.
B<dsa-E<gt>q> must not be B<NULL>.
DSA_bits() returns the number of bits in key B<dsa>: this is the number
of bits in the B<p> parameter.
DSA_security_bits() returns the number of security bits of the given B<dsa>
key. See L<BN_security_bits(3)>.
=head1 RETURN VALUES
DSA_size() returns the signature size in bytes.
DSA_bits() returns the number of bits in the key.
=head1 SEE ALSO
L<DSA_new(3)>, L<DSA_sign(3)>
=head1 COPYRIGHT
Copyright 2000-2018 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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