CRYPTO_EX_INDEX_DSA
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, dsa, &dsa->ex_data))
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, dsa, &dsa->ex_data);
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, argl, argp,