Это мой первый вопрос на этом сайте.Использование .replace для cypher
Я предполагаю, что вопрос, который я задаю, относительно прост, так как я немного новичок в кодировании.
Я хочу использовать этот бит кода для шифрования и расшифровки строки. Пока он способен зашифровать его, но он не может его перевернуть. Есть ли способ исправить это?
String characterSet = "abcdefg hijklmnop qrstuv wxyz ABCDEFG HIJKLMNOP QRSTUV WXYZ 123456789 !?() @£$ ',.";
//these are all of the characters that will be encrypted
System.out.println(characterSet);
//Encryption
String Encrypted = characterSet;
//lowercase letters
Encrypted = Encrypted.replace("a", "Q");
Encrypted = Encrypted.replace("b", "f");
Encrypted = Encrypted.replace("c", "L");
Encrypted = Encrypted.replace("d", "a");
Encrypted = Encrypted.replace("e", "l");
Encrypted = Encrypted.replace("f", "i");
Encrypted = Encrypted.replace("g", "I");
Encrypted = Encrypted.replace("h", "p");
Encrypted = Encrypted.replace("i", "4");
Encrypted = Encrypted.replace("j", "B");
Encrypted = Encrypted.replace("k", "A");
Encrypted = Encrypted.replace("l", "9");
Encrypted = Encrypted.replace("m", "w");
Encrypted = Encrypted.replace("n", "r");
Encrypted = Encrypted.replace("o", "d");
Encrypted = Encrypted.replace("p", ")");
Encrypted = Encrypted.replace("q", "S");
Encrypted = Encrypted.replace("r", "X");
Encrypted = Encrypted.replace("s", "!");
Encrypted = Encrypted.replace("t", "m");
Encrypted = Encrypted.replace("u", "u");
Encrypted = Encrypted.replace("v", "F");
Encrypted = Encrypted.replace("w", "x");
Encrypted = Encrypted.replace("x", "N");
Encrypted = Encrypted.replace("y", "W");
Encrypted = Encrypted.replace("z", "J");
//uppercase letters
Encrypted = Encrypted.replace("A", "?");
Encrypted = Encrypted.replace("B", "G");
Encrypted = Encrypted.replace("C", "j");
Encrypted = Encrypted.replace("D", "$");
Encrypted = Encrypted.replace("E", "q");
Encrypted = Encrypted.replace("F", "P");
Encrypted = Encrypted.replace("G", "7");
Encrypted = Encrypted.replace("H", "c");
Encrypted = Encrypted.replace("I", "H");
Encrypted = Encrypted.replace("J", "k");
Encrypted = Encrypted.replace("K", "(");
Encrypted = Encrypted.replace("L", "s");
Encrypted = Encrypted.replace("M", ",");
Encrypted = Encrypted.replace("N", "O");
Encrypted = Encrypted.replace("O", "h");
Encrypted = Encrypted.replace("P", "i");
Encrypted = Encrypted.replace("Q", "£");
Encrypted = Encrypted.replace("R", "C");
Encrypted = Encrypted.replace("S", "R");
Encrypted = Encrypted.replace("T", "g");
Encrypted = Encrypted.replace("U", "6");
Encrypted = Encrypted.replace("V", "Z");
Encrypted = Encrypted.replace("W", "y");
Encrypted = Encrypted.replace("X", "e");
Encrypted = Encrypted.replace("Y", "M");
Encrypted = Encrypted.replace("Z", "1");
//special
Encrypted = Encrypted.replace(".", "U");
Encrypted = Encrypted.replace("!", "D");
Encrypted = Encrypted.replace("?", "v");
Encrypted = Encrypted.replace("(", "Y");
Encrypted = Encrypted.replace(")", ".");
Encrypted = Encrypted.replace("@", "K");
Encrypted = Encrypted.replace("£", "b");
Encrypted = Encrypted.replace("$", "V");
Encrypted = Encrypted.replace("'", "3");
Encrypted = Encrypted.replace(",", "5");
//numbers
Encrypted = Encrypted.replace("1", "E");
Encrypted = Encrypted.replace("2", "z");
Encrypted = Encrypted.replace("3", "@");
Encrypted = Encrypted.replace("4", "8");
Encrypted = Encrypted.replace("5", "n");
Encrypted = Encrypted.replace("6", "o");
Encrypted = Encrypted.replace("7", "T");
Encrypted = Encrypted.replace("8", "t");
Encrypted = Encrypted.replace("9", "'");
System.out.println(Encrypted);
//Decryption
String Decrypted = Encrypted;
//lowercase letters
Decrypted = Decrypted.replace("Q", "a");
Decrypted = Decrypted.replace("f", "b");
Decrypted = Decrypted.replace("L", "c");
Decrypted = Decrypted.replace("a", "d");
Decrypted = Decrypted.replace("l", "e");
Decrypted = Decrypted.replace("i", "f");
Decrypted = Decrypted.replace("I", "g");
Decrypted = Decrypted.replace("p", "h");
Decrypted = Decrypted.replace("4", "i");
Decrypted = Decrypted.replace("B", "j");
Decrypted = Decrypted.replace("A", "k");
Decrypted = Decrypted.replace("9", "l");
Decrypted = Decrypted.replace("w", "m");
Decrypted = Decrypted.replace("r", "n");
Decrypted = Decrypted.replace("d", "o");
Decrypted = Decrypted.replace(")", "P");
Decrypted = Decrypted.replace("S", "q");
Decrypted = Decrypted.replace("X", "r");
Decrypted = Decrypted.replace("s!","s");
Decrypted = Decrypted.replace("m", "t");
Decrypted = Decrypted.replace("u", "u");
Decrypted = Decrypted.replace("F", "v");
Decrypted = Decrypted.replace("x", "w");
Decrypted = Decrypted.replace("N", "x");
Decrypted = Decrypted.replace("W", "y");
Decrypted = Decrypted.replace("J", "z");
//uppercase letters
Decrypted = Decrypted.replace("?", "A");
Decrypted = Decrypted.replace("G", "B");
Decrypted = Decrypted.replace("j", "C");
Decrypted = Decrypted.replace("$", "D");
Decrypted = Decrypted.replace("q", "E");
Decrypted = Decrypted.replace("P", "F");
Decrypted = Decrypted.replace("7", "G");
Decrypted = Decrypted.replace("c", "H");
Decrypted = Decrypted.replace("H", "I");
Decrypted = Decrypted.replace("k", "J");
Decrypted = Decrypted.replace("(", "K");
Decrypted = Decrypted.replace("s", "L");
Decrypted = Decrypted.replace(",", "M");
Decrypted = Decrypted.replace("O", "N");
Decrypted = Decrypted.replace("h", "O");
Decrypted = Decrypted.replace("i", "P");
Decrypted = Decrypted.replace("£", "Q");
Decrypted = Decrypted.replace("C", "R");
Decrypted = Decrypted.replace("R", "S");
Decrypted = Decrypted.replace("g", "T");
Decrypted = Decrypted.replace("6", "U");
Decrypted = Decrypted.replace("Z", "V");
Decrypted = Decrypted.replace("y", "W");
Decrypted = Decrypted.replace("e", "X");
Decrypted = Decrypted.replace("M", "Y");
Decrypted = Decrypted.replace("1", "Z");
//special
Decrypted = Decrypted.replace("U", ".");
Decrypted = Decrypted.replace("D", "!");
Decrypted = Decrypted.replace("v", "?");
Decrypted = Decrypted.replace("Y", "(");
Decrypted = Decrypted.replace(".", ")");
Decrypted = Decrypted.replace("K", "@");
Decrypted = Decrypted.replace("b", "£");
Decrypted = Decrypted.replace("V", "$");
Decrypted = Decrypted.replace("3", "'");
Decrypted = Decrypted.replace("5", ",");
//numbers
Decrypted = Decrypted.replace("E", "1");
Decrypted = Decrypted.replace("z", "2");
Decrypted = Decrypted.replace("@", "3");
Decrypted = Decrypted.replace("8", "4");
Decrypted = Decrypted.replace("n", "5");
Decrypted = Decrypted.replace("o", "6");
Decrypted = Decrypted.replace("T", "7");
Decrypted = Decrypted.replace("t", "8");
Decrypted = Decrypted.replace("'", "9");
System.out.println(Decrypted);
Вот что я получаю в качестве результатов:
abcdefg hijklmnop qrstuv wxyz ABCDEFG HIJKLMNOP QRSTUV WXYZ 123456789 !?() @£$ ',.
btsa'tH .tTv'hed. ReDmui hhyk vTjVqiT cHkYsnhhi bCRgoE yeME [email protected]' DvY. KbV @nU
£8L698I)87?9OX6) SX!8uf OOWJ ?7S$1f7 IIJ(L5OOf £SS761 WX(1 123856789 !?() 3£$ 35)
BUILD SUCCESSFUL (total time: 2 seconds)