Method decryptKeyivmode

src/com/autoDecoder/util/codeDecode.java:129–357

(String encryptedData,String sessionKey,String iv,String encodemode, String ivmode , String paddingmode ,String sSrcmode,String keyivmode)

    }

    public static String decryptKeyivmode(String encryptedData,String sessionKey,String iv,String encodemode, String ivmode , String paddingmode ,String sSrcmode,String keyivmode) throws Exception {
        encryptedData = encryptedData.trim();
//        BurpExtender.stdout.println(encryptedData);
//        BurpExtender.stdout.println(sessionKey);
//        BurpExtender.stdout.println(iv);
//        BurpExtender.stdout.println(encodemode);
//        BurpExtender.stdout.println(ivmode);
//        BurpExtender.stdout.println(paddingmode);
//        BurpExtender.stdout.println(sSrcmode);
//        BurpExtender.stdout.println(keyivmode);
//
////        encryptedData = URLDecoder.decode(encryptedData, "utf-8");
//        if (IndexautoDecoder.getRadioButton11State())
//            encryptedData = URLDecoder.decode(encryptedData, "utf-8");

        Boolean zero = false;
        if  (paddingmode.equals("ZeroPadding")) {
            paddingmode = "NoPadding";
            zero = true;
        }

        if (encodemode.equals("null"))
            return encryptedData;
        else if (encodemode.equals("RSA")){
            try {

                return decrypt(encryptedData, iv);

            }catch (Exception e){
                return "RSA解密错误";
            }
        } else if (encodemode.equals("SM2")){
            try {
                SM2 sm2 = SmUtil.sm2(Base64.decodeBase64(iv), Base64.decodeBase64("MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEGjh3yHFUvIQNC0rz6Y5/2/nYS+6jtkfXqnzKVcjrL+h5nRBhWJ1T/xg1lhnTE367iaJ3xD31CDIf/wpVJj+IgQ=="));

                return StrUtil.utf8Str(sm2.decryptFromBcd(encryptedData, KeyType.PrivateKey));

            }catch (Exception e){
                e.printStackTrace();
                return "SM2解密错误";
            }
        } else if(encodemode.equals("SM4")){ // SM4
            try {
                byte[] data = new byte[0];
                byte[] aseKey = new byte[0];
                byte[] ivData = new byte[0];

                if (sSrcmode.equals("Base64")  ) {
//                    System.out.println(URLDecoder.decode(encryptedData, "utf-8").replace(" ", "+"));
//                    System.out.println(base64ToHex(URLDecoder.decode(encryptedData, "utf-8").replace(" ", "+")));
                    data = base64ToHex(URLDecoder.decode(encryptedData, "utf-8").replace(" ", "+"));
//                    System.out.println(Arrays.toString(data));
                }
                if ( sSrcmode.equals("null") || sSrcmode.equals("Hex")) {
                    data = (URLDecoder.decode(encryptedData, "utf-8").replace(" ", "+")).getBytes(StandardCharsets.UTF_8);
                }

//                if (sSrcmode.equals("Hex")) {