40 lines
719 B
Plaintext
40 lines
719 B
Plaintext
=pod
|
|
|
|
=head1 NAME
|
|
|
|
DH_size, DH_bits - get Diffie-Hellman prime size
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
#include <openssl/dh.h>
|
|
|
|
int DH_size(const DH *dh);
|
|
|
|
int DH_bits(const DH *dh);
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
DH_size() returns the Diffie-Hellman prime size in bytes. It can be used
|
|
to determine how much memory must be allocated for the shared secret
|
|
computed by DH_compute_key().
|
|
|
|
DH_bits() returns the number of significant bits.
|
|
|
|
B<dh> and B<dh-E<gt>p> must not be B<NULL>.
|
|
|
|
=head1 RETURN VALUE
|
|
|
|
The size.
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<dh(3)|dh(3)>, L<DH_generate_key(3)|DH_generate_key(3)>,
|
|
L<BN_num_bits(3)|BN_num_bits(3)>
|
|
|
|
=head1 HISTORY
|
|
|
|
DH_size() is available in all versions of SSLeay and OpenSSL.
|
|
DH_bits() was added in OpenSSL 1.1.0.
|
|
|
|
=cut
|