GROUP *group, BN_CTX *ctx);

int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx);

int EC_GROUP_get_basis_type(const EC_GROUP *group);
int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k);
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
                                   unsigned int *k2, unsigned int *k3);

int EC_GROUP_get_field_type(const EC_GROUP *group);</code></pre>

<p>The following function has been deprecated since OpenSSL 3.0, and can