ASCII</b> is used. If <b>UTF8</b> is specified then the value string must be a valid <b>UTF8</b> string. For <b>HEX</b> the output must be a set of hex digits. <b>BITLIST</b> (which is only valid for a BIT STRING) is a comma separated list of the indices of the set bits, all other bits are zero.</p>

</dd>
</dl>

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

<p>ASN1_generate_nconf() and ASN1_generate_v3() return the encoded data as an <b>ASN1_TYPE</b> structure or NULL if an error occurred.</p>

<p>The error c