Allocate an empty DSA object using the default method (deprecated).
Declared in <openssl/dsa.h>
<openssl/dsa.h>
[[deprecated]] DSA* DSA_new();
Deprecated. Use of this entity is allowed but discouraged.
Prefer EVP_PKEY-based DSA APIs for new code.
New DSA, or NULL on failure; free with DSA_free().