DSA_size(3)

     NAME
          DSA_size - get DSA signature size

     SYNOPSIS
           #include <openssl/dsa.h>

           int DSA_size(const DSA *dsa);


     DESCRIPTION
          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.

     RETURN VALUE
          The size in bytes.

     SEE ALSO
          dsa(3), DSA_sign(3)

     HISTORY
          DSA_size() is available in all versions of SSLeay and
          OpenSSL.