DSA_dup_DH - create a DH structure out of DSA structure
SYNOPSIS
#include <openssl/dsa.h>
DH * DSA_dup_DH(DSA *r);
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.
RETURN VALUE
DSA_dup_DH() returns the new DH structure, and NULL on
error. The error codes can be obtained by
ERR_get_error(3).
NOTE
Be careful to avoid small subgroup attacks when using
this.
SEE ALSO
dh(3), dsa(3), err(3)
HISTORY
DSA_dup_DH() was added in OpenSSL 0.9.4.
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