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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>加密解密算法（李钟航）</title>
<style>
*{
margin: 0;
padding: 0;
font-family: "微软雅黑";
}
body{
font-family: "微软雅黑";
}
#app{
width: 600px;
height: 550px;
top: 50%;
left: 50%;
margin-left: -300px;
margin-top:-275px;
position: absolute;
background-color: #545c64;
}
.el-menu-item{
width: 100px;
position: relative;
text-align: center;
}
.el-radio-button__orig-radio:checked+.el-radio-button__inner{
background-color: #e6a23c !important;
border-color: #e6a23c !important;
box-shadow: -1px 0 0 0 #e6a23c !important;
color:white !important;
}
.el-radio-button__inner:hover{
color:#e6a23c !important;
}
</style>
<script src="./js/vue.js"></script>
<script src="./js/code_index.js"></script>
<link rel="stylesheet" href="./css/code_index.css">
<script>
window.onload = function() {
let vm = new Vue({
el: '#app',
data() {
return {
//默认选择加密解密算法
activeIndex: "1",
//切换存值
changepage:1,
//凯撒加密
kaisa_num: 4,
ifshow_kaisa_key:true,
//单表置换密码加密
list_key:'',
ifshow_list_key:false,
//输入框内容
input_txt:'',
//操作选择
op_choice:'加密',
//输出框内容
output_txt:''
};
},
methods: {
//导航切换
handleSelect(key, keyPath) {
this.input_txt = '';
this.output_txt = '';
//console.log(key, keyPath);
this.changepage = key;
if (key == 1 || key ==5){
this.ifshow_kaisa_key = true;
}else{
this.ifshow_kaisa_key = false;
}
if (key == 3 || key == 4 || key == 6){
this.ifshow_list_key = true;
}else{
this.ifshow_list_key = false;
}
},
//计数器改变
handleChange(value) {
console.log(value);
},
//清空
clear(){
this.input_txt = '';
this.output_txt = '';
},
//凯撒算法
kaisa_way(){
let _this = this;
let tmp_out = [];
let charcount;
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
for (let i = 0; i<_this.input_txt.length; i++){
if (re_up.test(_this.input_txt[i])){
charcount = _this.input_txt[i].charCodeAt();
if(_this.op_choice == "加密"){
charcount += _this.kaisa_num;
}else{
charcount -= _this.kaisa_num;
}
if(charcount>=65&&charcount<=90){
tmp_out.push(String.fromCharCode(charcount));
}else{
if(_this.op_choice =="加密"){
charcount = charcount - 90 + 65 - 1;
}else{
charcount = charcount + 90 - 65 + 1;
}
tmp_out.push(String.fromCharCode(charcount));
}
}
else if (re_low.test(_this.input_txt[i])){
charcount = _this.input_txt[i].charCodeAt();
if(_this.op_choice == "加密"){
charcount += _this.kaisa_num;
}else{
charcount -= _this.kaisa_num;
}
if(charcount>=97&&charcount<=122){
tmp_out.push(String.fromCharCode(charcount));
}else{
if(_this.op_choice =="加密"){
charcount = charcount - 122 + 97 - 1;
}else{
charcount = charcount + 122 - 97 + 1;
}
tmp_out.push(String.fromCharCode(charcount));
}
}
else{
tmp_out.push(_this.input_txt[i]);
}
}
_this.output_txt = tmp_out.join("");
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
},
//字母倒排序算法
charPai_way(){
let _this = this;
let tmp_out = [];
let charcount;
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
for (let i = 0; i<_this.input_txt.length; i++){
if (re_up.test(_this.input_txt[i])){
charcount = _this.input_txt[i].charCodeAt();
charcount = 65 + 26 - (charcount - 65) - 1;
tmp_out.push(String.fromCharCode(charcount));
}
else if (re_low.test(_this.input_txt[i])){
charcount = _this.input_txt[i].charCodeAt();
charcount = 97 + 26 - (charcount - 97) - 1;
tmp_out.push(String.fromCharCode(charcount));
}
else{
tmp_out.push(_this.input_txt[i]);
}
}
_this.output_txt = tmp_out.join("");
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
},
//单表置换密码
listchange_way(){
let _this = this;
let tmp_key = [];
let charcount;
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
let re_all = /[a-zA-Z]/;
let List = [];//置换表
let Num = 0;
let CipherText = []
let Alpha = [ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' ];
_this.list_key = _this.list_key.toUpperCase();
for(let i = 0; i<_this.list_key.length; i++){
if(re_all.test(_this.list_key[i]) == false){
continue;
}
tmp_key.push(_this.list_key[i]);
}
_this.list_key = tmp_key.join("");
//构造置换表
for (let i = 0; i<_this.list_key.length; i++ ){
if (re_all.test(_this.list_key[i]) == false)
continue;
for (let j = 0; j < 26 ; j++){
if (Alpha[j] == _this.list_key[i]){
Alpha[j] = 0;
List[Num++] = _this.list_key[i];
}
}
}
for (let i = 0; i<26; i++){
if(!Alpha[i])
continue;
List[Num++] = Alpha[i];
}
//加密解密操作
if (_this.op_choice == "加密"){
_this.input_txt = _this.input_txt.toLowerCase();
for (let i = 0; i<_this.input_txt.length;i++){
if (re_all.test(_this.input_txt[i]) == false)
CipherText[i] = _this.input_txt[i];
else if(re_up.test(_this.input_txt[i]) == true)
CipherText[i] = List[_this.input_txt[i].charCodeAt() - 65];
else
CipherText[i] = List[_this.input_txt[i].charCodeAt() - 97];
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
if (_this.op_choice == "解密"){
_this.input_txt = _this.input_txt.toUpperCase();
for (let i = 0; i<_this.input_txt.length;i++){
for (let j = 0; j<26; j++){
if (_this.input_txt[i] == List[j]){
CipherText.push(String.fromCharCode(97+j));
}
}
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
_this.output_txt = CipherText.join("");
},
//维吉利亚
wigi_way(){
let _this = this;
let tmp_key = [];
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
let re_all = /[a-zA-Z]/;
let List = [];//累加表
let charcount;
let CipherText = []
_this.list_key = _this.list_key.toUpperCase();
for(let i = 0; i<_this.list_key.length; i++){
if(re_all.test(_this.list_key[i]) == false){
continue;
}
tmp_key.push(_this.list_key[i]);
}
_this.list_key = tmp_key.join("");
if(_this.op_choice == "加密"){
_this.input_txt = _this.input_txt.toLowerCase();
for(let i = 0; i < _this.input_txt.length; i++){
if(re_all.test(_this.input_txt[i]) == false){
CipherText.push(_this.input_txt[i]);
continue;
}
List[i] = _this.list_key[i%_this.list_key.length];
charcount = ((_this.input_txt[i].charCodeAt()-97)+(List[i].charCodeAt()-65))%26+65;
CipherText.push(String.fromCharCode(charcount));
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
if(_this.op_choice == "解密"){
_this.input_txt = _this.input_txt.toUpperCase();
for(let i = 0; i < _this.input_txt.length; i++){
if(re_all.test(_this.input_txt[i]) == false){
CipherText.push(_this.input_txt[i]);
continue;
}
List[i] = _this.list_key[i%_this.list_key.length];
charcount = _this.input_txt[i].charCodeAt()-65;
if(charcount<(List[i].charCodeAt()-65)){
charcount = charcount + 26
}
CipherText.push(String.fromCharCode(charcount-(List[i].charCodeAt()-65)+97))
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
_this.output_txt = CipherText.join("");
},
//转换加密(1)
change_way(){
let _this = this;
let tmp_input = [];
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
let re_all = /[a-zA-Z]/;
let gap = _this.kaisa_num;
let charcount;
let CipherText = [];
for(let i = 0; i<_this.input_txt.length; i++){
if(re_all.test(_this.input_txt[i]) == false){
continue;
}
tmp_input.push(_this.input_txt[i])
}
_this.input_txt = tmp_input.join("");
if(_this.input_txt.length%_this.kaisa_num==_this.kaisa_num-1||_this.input_txt.length%_this.kaisa_num==0){
}else{
_this.$notify.error({
title: '错误',
message: '您输入的明文或者密文必须满足：(文本长度length)÷(间隔数num)等于0或num-1！'
});
return;
}
if(_this.op_choice == "加密"){
//转二维
let arr = [];
for(var i=0;i<Math.ceil(_this.input_txt.length/gap);i++){ //一维长度
arr[i]=new Array(); //声明二维
for(var j=0;j<gap;j++){
arr[i][j]=_this.input_txt[i*gap+j];
}
}
//输出
for(var i=0;i<gap;i++){
for(var j=0;j<Math.ceil(_this.input_txt.length/gap);j++){
CipherText.push(arr[j][i]);
}
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
if(_this.op_choice == "解密"){
//转二维
let arr = [];
for(var j=0;j<Math.ceil(_this.input_txt.length/gap);j++){
arr[j]=[];
}
for(var i=0;i<gap;i++){
for(var k=0;k<Math.ceil(_this.input_txt.length/gap);k++){
arr[k][i]=_this.input_txt[i*Math.ceil(_this.input_txt.length/gap)+k];
}
}
//输出
for(var i=0;i<Math.ceil(_this.input_txt.length/gap);i++){
for(var j=0;j<gap;j++){
CipherText.push(arr[i][j]);
}
}
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
_this.output_txt = CipherText.join("");
},
//转换加密(2)
change_way2(){
let _this = this;
let tmp_input = [];
let tmp_key = [];
let re_up=/[A-Z]/;
let re_low=/[a-z]/;
let re_all = /[a-zA-Z]/;
let charcount;
let CipherText = [];
let Array_container = [];
let tmp_char;
let tmp_char2;
//key输入处理
for(let i = 0; i<_this.list_key.length; i++){
if(re_all.test(_this.list_key[i]) == false){
continue;
}
tmp_key.push(_this.list_key[i].toUpperCase());
}
_this.list_key = tmp_key.join("");
if(/(.).*?\1/.test( _this.list_key )==true){
_this.$notify({
title: '错误',
message: '秘钥key不能含有重复的字母',
type: 'error'
});
return;
}
//input预处理
for(let i = 0; i<_this.input_txt.length; i++){
if(re_all.test(_this.input_txt[i]) == false){
if(_this.input_txt[i]!="*"){
continue;
}
}
tmp_input.push(_this.input_txt[i])
}
_this.input_txt = tmp_input.join("");
//加密
if(_this.op_choice=="加密"){
//tmp数组容器创建及填充
for(let i = 0; i<Math.ceil(_this.input_txt.length/_this.list_key.length); i++){
Array_container[i] = new Array();
for(let k = 0; k<_this.list_key.length; k++){
Array_container[i][k] = _this.input_txt[i*_this.list_key.length+k];
}
}
//可行性预处理
if(_this.input_txt.length%_this.list_key.length!=0){
// _this.$notify({
// title: '错误',
// message: '您输入的明文或者密文必须满足：(文本长度length)÷(密钥长度length)等于0',
// type: 'error'
// });
// return;
for(let i = _this.input_txt.length%_this.list_key.length; i<_this.list_key.length; i++){
Array_container[Math.ceil(_this.input_txt.length/_this.list_key.length-1)][i] = "*";
}
}
console.log(Array_container[Math.ceil(_this.input_txt.length/_this.list_key.length-1)]);
//key换位调序同时容器换位调序
let key_arr = _this.list_key.split("");
for (let i = 0; i <key_arr.length; i++){
for(let j = key_arr.length-1;j>i; j--){
if(key_arr[j].charCodeAt()<key_arr[j-1].charCodeAt()){
tmp_char = key_arr[j];
key_arr[j] = key_arr[j-1];
key_arr[j-1] = tmp_char;
for(let k = 0; k<Math.ceil(_this.input_txt.length/_this.list_key.length); k++){
tmp_char2 = Array_container[k][j];
Array_container[k][j] = Array_container[k][j-1];
Array_container[k][j-1] = tmp_char2;
}
}
}
}
//输出
for(let i = 0; i<_this.list_key.length; i++){
for(let j = 0; j<Math.ceil(_this.input_txt.length/_this.list_key.length); j++){
CipherText[i*Math.ceil(_this.input_txt.length/_this.list_key.length)+j] = Array_container[j][i];
}
}
_this.output_txt = CipherText.join("").toUpperCase();
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
//解密
if(_this.op_choice=="解密"){
//tmp数组容器创建及填充
for(let m = 0; m<Math.ceil(_this.input_txt.length/_this.list_key.length); m++){
Array_container[m] = new Array();
}
for(let i = 0; i<_this.list_key.length; i++){
for(let k = 0; k<Math.ceil(_this.input_txt.length/_this.list_key.length); k++){
Array_container[k][i] = _this.input_txt[i*_this.input_txt.length/_this.list_key.length+k];
}
}
//console.log(Array_container);
//key排好序
let key_arr = _this.list_key.split("");
for (let i = 0; i <key_arr.length; i++){
for(let j = key_arr.length-1;j>i; j--){
if(key_arr[j].charCodeAt()<key_arr[j-1].charCodeAt()){
tmp_char = key_arr[j];
key_arr[j] = key_arr[j-1];
key_arr[j-1] = tmp_char;
}
}
}
let save_arr = [];
for(let i = 0; i<Math.ceil(_this.input_txt.length/_this.list_key.length); i++){
save_arr[i] = new Array();
}
let num = 0;
for(let i = 65; i<=90; i++){
let search_word = String.fromCharCode(i);
for(let k = 0; k<_this.list_key.length; k++){
if(search_word == _this.list_key[k]){
for(let m = 0; m < Math.ceil(_this.input_txt.length/_this.list_key.length); m++){
save_arr[m][k] = Array_container[m][num];
}
num++;
}
}
}
console.log(save_arr);
for(let i = 0; i <Math.ceil(_this.input_txt.length/_this.list_key.length); i++){
for(let k = 0; k<_this.list_key.length; k++){
CipherText.push(save_arr[i][k]);
}
}
let tmp_output = [];
_this.output_txt = CipherText.join("").toLowerCase();
for(let i = 0; i<_this.output_txt.length; i++){
if(re_low.test(_this.output_txt[i]) == false){
continue;
}
tmp_output.push(_this.output_txt[i])
}
_this.output_txt = tmp_output.join("");
_this.$notify({
title: '成功',
message: '加密或解密操作成功',
type: 'success'
});
}
//MEGABUCK
//please transfer one million dollars to my swiss bank account six two two
//AFLLSKSOSELAWAI*TOOSSCT*LNMOMANTESILYNTWRNNTSOW*PAEDOBUOERIRICX*
},
//执行操作
run_code(){
var _this = this;
if(_this.input_txt==''){
_this.$notify({
title: '错误',
message: '输入框不能为空',
type: 'error'
});
return;
}
if(_this.changepage == 1){
_this.kaisa_way();
}else if(_this.changepage == 2){
_this.charPai_way();
}else if(_this.changepage == 3){
_this.listchange_way();
}else if (_this.changepage == 4){
_this.wigi_way();
}else if (_this.changepage == 5){
_this.change_way();
}else{
_this.change_way2();
}
}
}
});
}
</script>
</head>
<body>
<div id="app" >
<el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal" @select="handleSelect" background-color="#545c64" text-color="#fff" active-text-color="#ffd04b">
<el-menu-item index="1">凯撒密码</el-menu-item>
<el-menu-item index="2">字母倒排序</el-menu-item>
<el-menu-item index="3">单表置换</el-menu-item>
<el-menu-item index="4">维吉利亚</el-menu-item>
<el-menu-item index="5">转换加密(1)</el-menu-item>
<el-menu-item index="6">转换加密(2)</el-menu-item>
</el-menu>
<!-- 输入区域 -->
<div style="padding:5px; border:1px dashed #e6a23c; border-radius:10px; margin:10px;">
<el-popover placement="top-start" title="输入区域" width="200" trigger="hover" content="请在下方的文本框中输入你要加密或者解密的code">
<el-button type="warning" style="margin-left:20px;margin-top:20px;position:relative;" slot="reference">输入区域</el-button>
</el-popover>
<el-input-number v-show="ifshow_kaisa_key" type="warning" v-model="kaisa_num" @change="handleChange" :min="1" :max="26" label="密钥"></el-input-number>
<el-input v-show="ifshow_list_key" maxlength="26" placeholder="请输入Key" style="width:180px;" v-model="list_key" clearable></el-input><br>
<el-input type="textarea" style="margin-left:20px;margin-top:20px;margin-bottom:20px; width:530px;" :autosize="{ minRows: 3, maxRows: 5}" placeholder="请输入需要加密或者解密的内容" v-model="input_txt"></el-input>
</div>
<!-- 操作区域 -->
<div style="padding:5px; border:1px dashed #e6a23c; border-radius:10px; margin:10px;">
<el-popover placement="top-start" title="操作区域" width="200" trigger="hover" content="请选择您要进行的操作方式">
<el-button type="warning" style="margin-left:20px;margin-top:10px;margin-bottom:10px;position:relative;" slot="reference">操作区域</el-button>
</el-popover>
<el-radio-group v-model="op_choice">
<el-radio-button label="加密"></el-radio-button>
<el-radio-button label="解密"></el-radio-button>
</el-radio-group>
<el-button type="success" @click="run_code">执行命令</el-button>
<el-button type="warning" @click="clear" style="margin-left:20px;margin-top:10px;margin-bottom:10px;position:relative;" slot="reference">清空</el-button>
</div>
<!-- 输出区域 -->
<div style="padding:5px; border:1px dashed #e6a23c; border-radius:10px; margin:10px;">
<el-popover placement="top-start" title="输出区域" width="200" trigger="hover" content="经过加密或者解密操作后，下方得出最终的加密或者解密结果">
<el-button type="warning" style="margin-left:20px;margin-top:20px;position:relative;" slot="reference">输出区域</el-button>
</el-popover>
<el-input type="textarea" style="margin-left:20px;margin-bottom:20px;margin-top:20px; width:530px;" :autosize="{ minRows: 3, maxRows: 5}" placeholder="此处为加密或者解密的输出内容" v-model="output_txt"></el-input>
</div>
</div>
</body>
</html>