← Back to branch summary

~ubuntu-branches/ubuntu/precise/openssl098/precise

« back to all changes in this revision

Viewing changes to doc/crypto/DSA_dup_DH.pod

  • Committer: Bazaar Package Importer
  • Author(s): Kurt Roeckx
  • Date: 2011-03-23 19:50:31 UTC
  • Revision ID: james.westby@ubuntu.com-20110323195031-6h9crj4bymhhr8b8
Tags: upstream-0.9.8o
Import upstream version 0.9.8o

Show diffs side-by-side

added added

removed removed

Lines of Context:
doc/crypto/DSA_dup_DH.pod
 
1
=pod
 
2
 
 
3
=head1 NAME
 
4
 
 
5
DSA_dup_DH - create a DH structure out of DSA structure
 
6
 
 
7
=head1 SYNOPSIS
 
8
 
 
9
 #include <openssl/dsa.h>
 
10
 
 
11
 DH * DSA_dup_DH(const DSA *r);
 
12
 
 
13
=head1 DESCRIPTION
 
14
 
 
15
DSA_dup_DH() duplicates DSA parameters/keys as DH parameters/keys. q
 
16
is lost during that conversion, but the resulting DH parameters
 
17
contain its length.
 
18
 
 
19
=head1 RETURN VALUE
 
20
 
 
21
DSA_dup_DH() returns the new B<DH> structure, and NULL on error. The
 
22
error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
 
23
 
 
24
=head1 NOTE
 
25
 
 
26
Be careful to avoid small subgroup attacks when using this.
 
27
 
 
28
=head1 SEE ALSO
 
29
 
 
30
L<dh(3)|dh(3)>, L<dsa(3)|dsa(3)>, L<ERR_get_error(3)|ERR_get_error(3)>
 
31
 
 
32
=head1 HISTORY
 
33
 
 
34
DSA_dup_DH() was added in OpenSSL 0.9.4.
 
35
 
 
36
=cut