 such curves it is unspecified which of the aliases will be returned if the curve name of the given group is NID_undef. If <b>nist_only</b> is 1 it will only look for NIST approved curves, otherwise it searches all built-in curves. This function may be passed a BN_CTX object in the <b>ctx</b> parameter. The <b>ctx</b> parameter may be NULL.</p>

<p>EC_GROUP_cmp() compares <b>a</b> and <b>b</b> to determine whether they represent the same curve or not.</p>

<p>The functions EC_GROUP_get_basis_type(), EC_GROU