#include <openssl/dsa.h>
int DSA_size(const DSA *dsa);
This function returns the size of an ASN.1 encoded DSA signature in
bytes. It can be used to determine how much memory must be allocated
for a DSA signature.
dsa->q must not be NULL.
The size in bytes.
dsa(3), DSA_sign(3)
DSA_size() is available in all versions of SSLeay and OpenSSL.
0.9.8d 2002-08-05 DSA_size(3)