签名证书

new Thread(new Runnable() {
    @Override
    public void run() {
        byte[] cer  =  cisssdk.readCer(getContext(), 1, 0, null);
        
        Log.i("MainActivity", "证书: " + HexStringConvert.parseByte2HexStr(cer));
        
        if (cer != null) {
            
            // 签名证书
            byte[] sign = cisssdk.privSign(getContext(), cer, 0, 1, null);
            Log.i("MainActivity", "签名证书: " + HexStringConvert.parseByte2HexStr(sign));
        }
    }
}).start();