NAME
DSA_dup_DH —
create a DH structure out of DSA
structure
SYNOPSIS
#include
<openssl/dsa.h>
DH *
DSA_dup_DH(const DSA *r);
DESCRIPTION
DSA_dup_DH()
duplicates DSA parameters/keys as
DH parameters/keys. r->q is
lost during that conversion, but the resulting DH
parameters contain its length.
RETURN VALUES
DSA_dup_DH() returns the new
DH structure or NULL on error.
The error codes can be obtained by
ERR_get_error(3).
SEE ALSO
HISTORY
DSA_dup_DH() first appeared in OpenSSL
0.9.4 and has been available since OpenBSD 2.6.
CAVEATS
Be careful to avoid small subgroup attacks when using this.