The Best Text Encryptor

Introduction(介紹)

Text Encryptor can encrypt all kind of language.
文字加密器可以加密任何語言

Principle(原理)

Encryption(加密)

1. The text will be converted with the charset you select to Base64

//java-Android
String result ;
        byte[] base64_byte;
        try {
            encodeValue = Base64.encode(message.getBytes(charset), Base64.DEFAULT);
            result = new String(base64_byte);
            //result is the output
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

2. Now,All of the text are converted to English characters.
3. We use ASCII Code to convert characters to Integer.
4. encrypt our data by XOR.

XOR Truth table(真值表)

A	B	F
0	0	0
0	1	1
1	0	1
1	1	0

//java-Android
StringBuilder result = new StringBuilder();
//message is the output of Base64
//key
        char[] out = message.toCharArray();
        int c;
        for (char anOut : out) {
            try {
                c = (int) anOut;
            } catch (IndexOutOfBoundsException e) {
                e.printStackTrace();
            }
            c ^= key;//encrypt the character
            String Hex = Integer.toHexString(c);
            result.append(Hex).append(" ");
        }
        //result is the output

5. Get the result as Hex

Decryption(解密)

1. Decrypt the text of encryption with correct key.

//java-Android

//key
//message is the output of encryption
 StringBuilder result = new StringBuilder();
        String[] ASCII = message.split("\\s+");

        for (String integer : ASCII) {
            int b=0;
            try {
                b = Integer.parseInt(integer, 16);
                // Convert Hex to Decimal
            } catch (NumberFormatException e) {
                e.printStackTrace();
            }
            char c = (char) (b ^ key);
            result.append(c);
        }
        //result is the output

2. Now,we get the Base64 characters,convert the characters with charset you select to text.

//java-Android

//message is the output of Base64
String result;
byte[] base64_byte = Base64.decode(message, Base64.DEFAULT);
        try {
            result= new String(base64_byte, charset);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
         //result is the output

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