BIGNUM *rp,
                            EC_KEY *eckey);
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
                  unsigned char *sig, unsigned int *siglen,
                  const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>See <a href="../man3/ECDSA_SIG_new.html">ECDSA_SIG_new(3)</a> for a description of the <b>ECDSA_SIG</b> object.</p>

<p>Se