Allocate a DH object with the RFC 5114 2048-bit MODP group using a 256-bit subgroup (deprecated).
Declared in <openssl/dh.h>
<openssl/dh.h>
[[deprecated]] DH* DH_get_2048_256();
Deprecated. Use of this entity is allowed but discouraged.
New DH with p, q, and g set, or NULL on allocation failure.