, BN_is_one() BN_is_word(), BN_abs_is_word() and BN_is_odd() return 1 if the condition is true, 0 otherwise.</p>

<p>BN_are_coprime() returns 1 if the <b>BIGNUM</b>&#39;s are coprime, otherwise it returns 0.</p>

<h1 id="HISTORY">HISTORY</h1>

<p>Prior to OpenSSL 1.1.0, BN_is_zero(), BN_is_one(), BN_is_word(), BN_abs_is_word() and BN_is_odd() were macros.</p>

<p>The function BN_are_coprime() was added in OpenSSL 3.1.</p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2000-2021 The OpenSSL Project Authors