1*4724848cSchristos=pod 2*4724848cSchristos 3*4724848cSchristos=head1 NAME 4*4724848cSchristos 5*4724848cSchristosDSA_dup_DH - create a DH structure out of DSA structure 6*4724848cSchristos 7*4724848cSchristos=head1 SYNOPSIS 8*4724848cSchristos 9*4724848cSchristos #include <openssl/dsa.h> 10*4724848cSchristos 11*4724848cSchristos DH *DSA_dup_DH(const DSA *r); 12*4724848cSchristos 13*4724848cSchristos=head1 DESCRIPTION 14*4724848cSchristos 15*4724848cSchristosDSA_dup_DH() duplicates DSA parameters/keys as DH parameters/keys. q 16*4724848cSchristosis lost during that conversion, but the resulting DH parameters 17*4724848cSchristoscontain its length. 18*4724848cSchristos 19*4724848cSchristos=head1 RETURN VALUES 20*4724848cSchristos 21*4724848cSchristosDSA_dup_DH() returns the new B<DH> structure, and NULL on error. The 22*4724848cSchristoserror codes can be obtained by L<ERR_get_error(3)>. 23*4724848cSchristos 24*4724848cSchristos=head1 NOTE 25*4724848cSchristos 26*4724848cSchristosBe careful to avoid small subgroup attacks when using this. 27*4724848cSchristos 28*4724848cSchristos=head1 SEE ALSO 29*4724848cSchristos 30*4724848cSchristosL<DH_new(3)>, L<DSA_new(3)>, L<ERR_get_error(3)> 31*4724848cSchristos 32*4724848cSchristos=head1 COPYRIGHT 33*4724848cSchristos 34*4724848cSchristosCopyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved. 35*4724848cSchristos 36*4724848cSchristosLicensed under the OpenSSL license (the "License"). You may not use 37*4724848cSchristosthis file except in compliance with the License. You can obtain a copy 38*4724848cSchristosin the file LICENSE in the source distribution or at 39*4724848cSchristosL<https://www.openssl.org/source/license.html>. 40*4724848cSchristos 41*4724848cSchristos=cut 42