OpenSSL::Timestamp::TokenInfo#nonce

static VALUE
ossl_ts_token_info_get_nonce(VALUE self)
{
    TS_TST_INFO *info;
    const ASN1_INTEGER *nonce;

    GetTSTokenInfo(self, info);
    if (!(nonce = TS_TST_INFO_get_nonce(info)))
        return Qnil;

    return asn1integer_to_num(nonce);
}