ECDSA_do_sign_ex
s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
OSSL_DEPRECATEDIN_3_0 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst,
|| !TEST_ptr(signature = ECDSA_do_sign_ex(digest, dgst_len,