openssl/doc/crypto/DSA_dup_DH.pod
Ulf Möller 38e33cef15 Document DSA and SHA.
New function BN_pseudo_rand().
Use BN_prime_checks_size(BN_num_bits(w)) rounds of Miller-Rabin when
generating DSA primes (why not use BN_is_prime()?)
2000-01-27 19:31:26 +00:00

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=pod
=head1 NAME
DSA_dup_DH - Create a DH structure out of DSA structure
=head1 SYNOPSIS
#include <openssl/dsa.h>
DH * DSA_dup_DH(DSA *r);
=head1 DESCRIPTION
DSA_dup_DH() duplicates DSA parameters/keys as DH parameters/keys. q
is lost during that conversion, but the resulting DH parameters
contain its length.
=head1 RETURN VALUE
DSA_dup_DH() returns the new B<DH> structure, and NULL on error. The
error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
=head1 SEE ALSO
L<dh(3)|dh(3)>, L<dsa(3)|dsa(3)>, L<err(3)|err(3)>
=head1 HISTORY
DSA_dup_DH() was added in OpenSSL 0.9.4.
=cut