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Diffstat (limited to 'doc/man3/DSA_dup_DH.pod')
-rw-r--r-- | doc/man3/DSA_dup_DH.pod | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/doc/man3/DSA_dup_DH.pod b/doc/man3/DSA_dup_DH.pod new file mode 100644 index 0000000000..6967ef3dcf --- /dev/null +++ b/doc/man3/DSA_dup_DH.pod @@ -0,0 +1,41 @@ +=pod + +=head1 NAME + +DSA_dup_DH - create a DH structure out of DSA structure + +=head1 SYNOPSIS + + #include <openssl/dsa.h> + + DH * DSA_dup_DH(const 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)>. + +=head1 NOTE + +Be careful to avoid small subgroup attacks when using this. + +=head1 SEE ALSO + +L<dh(3)>, L<dsa(3)>, L<ERR_get_error(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 |