d_pw_string() and EVP_read_pw_string_min()) all use the default <b>UI_METHOD</b>.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>UI_UTIL_read_pw_string() and UI_UTIL_read_pw() return 0 on success or a negative value on error.</p>

<p>UI_UTIL_wrap_read_pem_callback() returns a valid <b>UI_METHOD</b> structure or NULL if an error occurred.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man3/UI_get_default_method.html">UI_get_default_method(3)</a></p>

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

<p>Copyright 