alc_u_ex() and SRP_Calc_u(). The client key and <b>x</b> and <b>A</b> parameters are used on the client side and are calculated via the functions SRP_Calc_client_key_ex(), SRP_Calc_client_key(), SRP_Calc_x_ex(), SRP_Calc_x() and SRP_Calc_A(). See RFC2945 for a detailed description of their usage and the meaning of the various BIGNUM parameters to these functions.</p>

<p>Most of these functions come in two forms. Those that take a <i>libctx</i> and <i>propq</i> parameter, and those that don&#39;t. Any crypt