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dnrops.gitlink.net/js/emoj_aes.js

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blog
2024-05-05 23:31:00 +08:00
/* Initial emoji setting. */
const emojisInit = ["🍎", "🍌", "🏎", "🚪", "👁", "👣", "😀", "🖐", "ℹ", "😂", "🥋", "✉", "🚹", "🌉", "👌", "🍍", "👑", "👉", "🎤", "🚰", "☂", "🐍", "💧", "✖", "☀", "🦓", "🏹", "🎈", "😎", "🎅", "🐘", "🌿", "🌏", "🌪", "☃", "🍵", "🍴", "🚨", "📮", "🕹", "📂", "🛩", "⌨", "🔄", "🔬", "🐅", "🙃", "🐎", "🌊", "🚫", "❓", "⏩", "😁", "😆", "💵", "🤣", "☺", "😊", "😇", "😡", "🎃", "😍", "✅", "🔪", "🗒"];
/* Function to encrypt a message with emojis per specification. */
function encrypt(){
/* Retrieve message and key from document. */
var rotation = document.getElementById("rotation-for-encryption");
var message = document.getElementById("message-for-encryption");
var key = document.getElementById("key-for-encryption");
/* Set rotation to 0 if blank. */
if(rotation.value == ""){
rotation.value = 0;
}
/* Define status elements. */
var error = document.getElementById("encryption-error");
var success = document.getElementById("encryption-success");
/* Ensure status elements are not displayed. */
error.style.display = "none";
success.style.display = "none";
/* Reset error message. */
error.innerHTML = "Error: ";
/* Verify that message and key are not blank. */
if(message.value != "" && key.value != ""){
/*Verify that rotation is between 0 and 64. */
if(rotation.value >= 0 && rotation.value <= 64){
/* AES encrypt message with key, and convert to Base64 string. */
var encrypted = CryptoJS.AES.encrypt(message.value, key.value).toString();
/* Create new emoji setting array. */
var emojis = [];
/* Rotate emoji setting if customised. */
if(rotation.value != 0){
var i;
for(i = 0; i < emojisInit.length; i++){
/* Handle array overflowing by looping around. */
if((Number(i) + Number(rotation.value)) < emojisInit.length){
emojis[i] = emojisInit[Number(i) + Number(rotation.value)];
}
else{
emojis[i] = emojisInit[(Number(i) + Number(rotation.value)) - emojisInit.length];
}
}
}
else{
/* Simply copy initial emoji setting if rotation is not customised. */
emojis = emojisInit;
}
/* Substitute a - z Base64 characters with emojis. */
var emojified = encrypted.replace(/a/g, emojis[0]);
emojified = emojified.replace(/b/g, emojis[1]);
emojified = emojified.replace(/c/g, emojis[2]);
emojified = emojified.replace(/d/g, emojis[3]);
emojified = emojified.replace(/e/g, emojis[4]);
emojified = emojified.replace(/f/g, emojis[5]);
emojified = emojified.replace(/g/g, emojis[6]);
emojified = emojified.replace(/h/g, emojis[7]);
emojified = emojified.replace(/i/g, emojis[8]);
emojified = emojified.replace(/j/g, emojis[9]);
emojified = emojified.replace(/k/g, emojis[10]);
emojified = emojified.replace(/l/g, emojis[11]);
emojified = emojified.replace(/m/g, emojis[12]);
emojified = emojified.replace(/n/g, emojis[13]);
emojified = emojified.replace(/o/g, emojis[14]);
emojified = emojified.replace(/p/g, emojis[15]);
emojified = emojified.replace(/q/g, emojis[16]);
emojified = emojified.replace(/r/g, emojis[17]);
emojified = emojified.replace(/s/g, emojis[18]);
emojified = emojified.replace(/t/g, emojis[19]);
emojified = emojified.replace(/u/g, emojis[20]);
emojified = emojified.replace(/v/g, emojis[21]);
emojified = emojified.replace(/w/g, emojis[22]);
emojified = emojified.replace(/x/g, emojis[23]);
emojified = emojified.replace(/y/g, emojis[24]);
emojified = emojified.replace(/z/g, emojis[25]);
/* Substitute A - Z Base64 characters with emojis. */
emojified = emojified.replace(/A/g, emojis[26]);
emojified = emojified.replace(/B/g, emojis[27]);
emojified = emojified.replace(/C/g, emojis[28]);
emojified = emojified.replace(/D/g, emojis[29]);
emojified = emojified.replace(/E/g, emojis[30]);
emojified = emojified.replace(/F/g, emojis[31]);
emojified = emojified.replace(/G/g, emojis[32]);
emojified = emojified.replace(/H/g, emojis[33]);
emojified = emojified.replace(/I/g, emojis[34]);
emojified = emojified.replace(/J/g, emojis[35]);
emojified = emojified.replace(/K/g, emojis[36]);
emojified = emojified.replace(/L/g, emojis[37]);
emojified = emojified.replace(/M/g, emojis[38]);
emojified = emojified.replace(/N/g, emojis[39]);
emojified = emojified.replace(/O/g, emojis[40]);
emojified = emojified.replace(/P/g, emojis[41]);
emojified = emojified.replace(/Q/g, emojis[42]);
emojified = emojified.replace(/R/g, emojis[43]);
emojified = emojified.replace(/S/g, emojis[44]);
emojified = emojified.replace(/T/g, emojis[45]);
emojified = emojified.replace(/U/g, emojis[46]);
emojified = emojified.replace(/V/g, emojis[47]);
emojified = emojified.replace(/W/g, emojis[48]);
emojified = emojified.replace(/X/g, emojis[49]);
emojified = emojified.replace(/Y/g, emojis[50]);
emojified = emojified.replace(/Z/g, emojis[51]);
/* Substitute 0 - 9 Base64 characters with emojis. */
emojified = emojified.replace(/0/g, emojis[52]);
emojified = emojified.replace(/1/g, emojis[53]);
emojified = emojified.replace(/2/g, emojis[54]);
emojified = emojified.replace(/3/g, emojis[55]);
emojified = emojified.replace(/4/g, emojis[56]);
emojified = emojified.replace(/5/g, emojis[57]);
emojified = emojified.replace(/6/g, emojis[58]);
emojified = emojified.replace(/7/g, emojis[59]);
emojified = emojified.replace(/8/g, emojis[60]);
emojified = emojified.replace(/9/g, emojis[61]);
/* Substitute +, /, and = Base64 characters with emojis. */
emojified = emojified.replace(/\+/g, emojis[62]);
emojified = emojified.replace(/\//g, emojis[63]);
emojified = emojified.replace(/=/g, emojis[64]);
/* Define encryption button. */
var button = document.getElementById("encrypt-button");
/* Make rotation and message read only, clear key, write emoji-aes string to message textarea, and disable encryption button. */
rotation.readOnly = true;
key.value = "";
key.disabled = true;
message.value = emojified;
message.readOnly = true;
button.disabled = true;
/* Display success message. */
success.style.display = "block";
}
else{
/* Display invalid rotation error. */
error.style.display = "block";
error.innerHTML += "Rotation must be between 0 and 64."
}
}
else{
/* Display blank message and/or key error. */
error.style.display = "block";
error.innerHTML += "Message and key cannot be blank."
}
}
function encrypt(rotation,message,key){
/* Set rotation to 0 if blank. */
if(rotation.value == ""){
rotation.value = 0;
}
/* Verify that message and key are not blank. */
if(message.value != "" && key.value != ""){
/*Verify that rotation is between 0 and 64. */
if(rotation.value >= 0 && rotation.value <= 64){
/* AES encrypt message with key, and convert to Base64 string. */
var encrypted = CryptoJS.AES.encrypt(message.value, key.value).toString();
/* Create new emoji setting array. */
var emojis = [];
/* Rotate emoji setting if customised. */
if(rotation.value != 0){
var i;
for(i = 0; i < emojisInit.length; i++){
/* Handle array overflowing by looping around. */
if((Number(i) + Number(rotation.value)) < emojisInit.length){
emojis[i] = emojisInit[Number(i) + Number(rotation.value)];
}
else{
emojis[i] = emojisInit[(Number(i) + Number(rotation.value)) - emojisInit.length];
}
}
}
else{
/* Simply copy initial emoji setting if rotation is not customised. */
emojis = emojisInit;
}
/* Substitute a - z Base64 characters with emojis. */
var emojified = encrypted.replace(/a/g, emojis[0]);
emojified = emojified.replace(/b/g, emojis[1]);
emojified = emojified.replace(/c/g, emojis[2]);
emojified = emojified.replace(/d/g, emojis[3]);
emojified = emojified.replace(/e/g, emojis[4]);
emojified = emojified.replace(/f/g, emojis[5]);
emojified = emojified.replace(/g/g, emojis[6]);
emojified = emojified.replace(/h/g, emojis[7]);
emojified = emojified.replace(/i/g, emojis[8]);
emojified = emojified.replace(/j/g, emojis[9]);
emojified = emojified.replace(/k/g, emojis[10]);
emojified = emojified.replace(/l/g, emojis[11]);
emojified = emojified.replace(/m/g, emojis[12]);
emojified = emojified.replace(/n/g, emojis[13]);
emojified = emojified.replace(/o/g, emojis[14]);
emojified = emojified.replace(/p/g, emojis[15]);
emojified = emojified.replace(/q/g, emojis[16]);
emojified = emojified.replace(/r/g, emojis[17]);
emojified = emojified.replace(/s/g, emojis[18]);
emojified = emojified.replace(/t/g, emojis[19]);
emojified = emojified.replace(/u/g, emojis[20]);
emojified = emojified.replace(/v/g, emojis[21]);
emojified = emojified.replace(/w/g, emojis[22]);
emojified = emojified.replace(/x/g, emojis[23]);
emojified = emojified.replace(/y/g, emojis[24]);
emojified = emojified.replace(/z/g, emojis[25]);
/* Substitute A - Z Base64 characters with emojis. */
emojified = emojified.replace(/A/g, emojis[26]);
emojified = emojified.replace(/B/g, emojis[27]);
emojified = emojified.replace(/C/g, emojis[28]);
emojified = emojified.replace(/D/g, emojis[29]);
emojified = emojified.replace(/E/g, emojis[30]);
emojified = emojified.replace(/F/g, emojis[31]);
emojified = emojified.replace(/G/g, emojis[32]);
emojified = emojified.replace(/H/g, emojis[33]);
emojified = emojified.replace(/I/g, emojis[34]);
emojified = emojified.replace(/J/g, emojis[35]);
emojified = emojified.replace(/K/g, emojis[36]);
emojified = emojified.replace(/L/g, emojis[37]);
emojified = emojified.replace(/M/g, emojis[38]);
emojified = emojified.replace(/N/g, emojis[39]);
emojified = emojified.replace(/O/g, emojis[40]);
emojified = emojified.replace(/P/g, emojis[41]);
emojified = emojified.replace(/Q/g, emojis[42]);
emojified = emojified.replace(/R/g, emojis[43]);
emojified = emojified.replace(/S/g, emojis[44]);
emojified = emojified.replace(/T/g, emojis[45]);
emojified = emojified.replace(/U/g, emojis[46]);
emojified = emojified.replace(/V/g, emojis[47]);
emojified = emojified.replace(/W/g, emojis[48]);
emojified = emojified.replace(/X/g, emojis[49]);
emojified = emojified.replace(/Y/g, emojis[50]);
emojified = emojified.replace(/Z/g, emojis[51]);
/* Substitute 0 - 9 Base64 characters with emojis. */
emojified = emojified.replace(/0/g, emojis[52]);
emojified = emojified.replace(/1/g, emojis[53]);
emojified = emojified.replace(/2/g, emojis[54]);
emojified = emojified.replace(/3/g, emojis[55]);
emojified = emojified.replace(/4/g, emojis[56]);
emojified = emojified.replace(/5/g, emojis[57]);
emojified = emojified.replace(/6/g, emojis[58]);
emojified = emojified.replace(/7/g, emojis[59]);
emojified = emojified.replace(/8/g, emojis[60]);
emojified = emojified.replace(/9/g, emojis[61]);
/* Substitute +, /, and = Base64 characters with emojis. */
emojified = emojified.replace(/\+/g, emojis[62]);
emojified = emojified.replace(/\//g, emojis[63]);
emojified = emojified.replace(/=/g, emojis[64]);
console.log(emojified)
}
else{
console.log("Rotation must be between 0 and 64.");
}
}
else{
console.log("Message and key cannot be blank.");
}
}
/* Function to decrypt an emoji-aes message per specification. */
function decrypt(){
/* Retrieve message and key from document. */
var rotation = document.getElementById("rotation-for-decryption");
var message = document.getElementById("message-for-decryption");
var key = document.getElementById("key-for-decryption");
/* Set rotation to 0 if blank. */
if(rotation.value == ""){
rotation.value = 0;
}
/* Define status elements. */
var error = document.getElementById("decryption-error");
var success = document.getElementById("decryption-success");
/* Ensure status elements are not displayed. */
error.style.display = "none";
success.style.display = "none";
/* Reset error message. */
error.innerHTML = "Error: ";
/* Verify that message and key are not blank. */
if(message.value != "" && key.value != ""){
/*Verify that rotation is between 0 and 64. */
if(rotation.value >= 0 && rotation.value <= 64){
/* Create new emoji setting array. */
var emojis = [];
/* Rotate emoji setting if customised. */
if(rotation.value != 0){
var i;
for(i = 0; i < emojisInit.length; i++){
/* Handle array overflowing by looping around. */
if((Number(i) + Number(rotation.value)) < emojisInit.length){
emojis[i] = emojisInit[Number(i) + Number(rotation.value)];
}
else{
emojis[i] = emojisInit[(Number(i) + Number(rotation.value)) - emojisInit.length];
}
}
}
else{
/* Simply copy initial emoji setting if rotation is not customised. */
emojis = emojisInit;
}
/* Substitute emojis with a - z Base64 characters. */
var unemojified = message.value.replace(new RegExp(emojis[0], "g"), "a");
unemojified = unemojified.replace(new RegExp(emojis[1], "g"), "b");
unemojified = unemojified.replace(new RegExp(emojis[2], "g"), "c");
unemojified = unemojified.replace(new RegExp(emojis[3], "g"), "d");
unemojified = unemojified.replace(new RegExp(emojis[4], "g"), "e");
unemojified = unemojified.replace(new RegExp(emojis[5], "g"), "f");
unemojified = unemojified.replace(new RegExp(emojis[6], "g"), "g");
unemojified = unemojified.replace(new RegExp(emojis[7], "g"), "h");
unemojified = unemojified.replace(new RegExp(emojis[8], "g"), "i");
unemojified = unemojified.replace(new RegExp(emojis[9], "g"), "j");
unemojified = unemojified.replace(new RegExp(emojis[10], "g"), "k");
unemojified = unemojified.replace(new RegExp(emojis[11], "g"), "l");
unemojified = unemojified.replace(new RegExp(emojis[12], "g"), "m");
unemojified = unemojified.replace(new RegExp(emojis[13], "g"), "n");
unemojified = unemojified.replace(new RegExp(emojis[14], "g"), "o");
unemojified = unemojified.replace(new RegExp(emojis[15], "g"), "p");
unemojified = unemojified.replace(new RegExp(emojis[16], "g"), "q");
unemojified = unemojified.replace(new RegExp(emojis[17], "g"), "r");
unemojified = unemojified.replace(new RegExp(emojis[18], "g"), "s");
unemojified = unemojified.replace(new RegExp(emojis[19], "g"), "t");
unemojified = unemojified.replace(new RegExp(emojis[20], "g"), "u");
unemojified = unemojified.replace(new RegExp(emojis[21], "g"), "v");
unemojified = unemojified.replace(new RegExp(emojis[22], "g"), "w");
unemojified = unemojified.replace(new RegExp(emojis[23], "g"), "x");
unemojified = unemojified.replace(new RegExp(emojis[24], "g"), "y");
unemojified = unemojified.replace(new RegExp(emojis[25], "g"), "z");
/* Substitute emojis with A - Z Base64 characters. */
unemojified = unemojified.replace(new RegExp(emojis[26], "g"), "A");
unemojified = unemojified.replace(new RegExp(emojis[27], "g"), "B");
unemojified = unemojified.replace(new RegExp(emojis[28], "g"), "C");
unemojified = unemojified.replace(new RegExp(emojis[29], "g"), "D");
unemojified = unemojified.replace(new RegExp(emojis[30], "g"), "E");
unemojified = unemojified.replace(new RegExp(emojis[31], "g"), "F");
unemojified = unemojified.replace(new RegExp(emojis[32], "g"), "G");
unemojified = unemojified.replace(new RegExp(emojis[33], "g"), "H");
unemojified = unemojified.replace(new RegExp(emojis[34], "g"), "I");
unemojified = unemojified.replace(new RegExp(emojis[35], "g"), "J");
unemojified = unemojified.replace(new RegExp(emojis[36], "g"), "K");
unemojified = unemojified.replace(new RegExp(emojis[37], "g"), "L");
unemojified = unemojified.replace(new RegExp(emojis[38], "g"), "M");
unemojified = unemojified.replace(new RegExp(emojis[39], "g"), "N");
unemojified = unemojified.replace(new RegExp(emojis[40], "g"), "O");
unemojified = unemojified.replace(new RegExp(emojis[41], "g"), "P");
unemojified = unemojified.replace(new RegExp(emojis[42], "g"), "Q");
unemojified = unemojified.replace(new RegExp(emojis[43], "g"), "R");
unemojified = unemojified.replace(new RegExp(emojis[44], "g"), "S");
unemojified = unemojified.replace(new RegExp(emojis[45], "g"), "T");
unemojified = unemojified.replace(new RegExp(emojis[46], "g"), "U");
unemojified = unemojified.replace(new RegExp(emojis[47], "g"), "V");
unemojified = unemojified.replace(new RegExp(emojis[48], "g"), "W");
unemojified = unemojified.replace(new RegExp(emojis[49], "g"), "X");
unemojified = unemojified.replace(new RegExp(emojis[50], "g"), "Y");
unemojified = unemojified.replace(new RegExp(emojis[51], "g"), "Z");
/* Substitute emojis with 0 - 9 Base64 characters. */
unemojified = unemojified.replace(new RegExp(emojis[52], "g"), "0");
unemojified = unemojified.replace(new RegExp(emojis[53], "g"), "1");
unemojified = unemojified.replace(new RegExp(emojis[54], "g"), "2");
unemojified = unemojified.replace(new RegExp(emojis[55], "g"), "3");
unemojified = unemojified.replace(new RegExp(emojis[56], "g"), "4");
unemojified = unemojified.replace(new RegExp(emojis[57], "g"), "5");
unemojified = unemojified.replace(new RegExp(emojis[58], "g"), "6");
unemojified = unemojified.replace(new RegExp(emojis[59], "g"), "7");
unemojified = unemojified.replace(new RegExp(emojis[60], "g"), "8");
unemojified = unemojified.replace(new RegExp(emojis[61], "g"), "9");
/* Substitute emojis with +, /, and = Base64 characters. */
unemojified = unemojified.replace(new RegExp(emojis[62], "g"), "+");
unemojified = unemojified.replace(new RegExp(emojis[63], "g"), "/");
unemojified = unemojified.replace(new RegExp(emojis[64], "g"), "=");
/* Decrypt Base64 string. */
var plaintext = CryptoJS.AES.decrypt(unemojified, key.value).toString(CryptoJS.enc.Utf8);
/* Verify that decryption was successful. */
if(plaintext != ""){
/* Define decryption button. */
var button = document.getElementById("decrypt-button");
/* Make rotation and message read only, clear key, write decrypted string to message textarea, and disable decryption button. */
rotation.readOnly = true;
key.value = "";
key.disabled = true;
message.value = plaintext;
message.readOnly = true;
button.disabled = true;
/* Display success message. */
success.style.display = "block";
}
else{
/* Display failed decryption error. */
error.style.display = "block";
error.innerHTML += "Decryption failed. Message and/or key and/or rotation is invalid."
}
}
else{
/* Display invalid rotation error. */
error.style.display = "block";
error.innerHTML += "Rotation must be between 0 and 64."
}
}
else{
/* Display blank message and/or key error. */
error.style.display = "block";
error.innerHTML += "Message and key cannot be blank."
}
}
/* Function to toggle the display of advanced settings. */
function toggleAdvanced(event){
event.preventDefault();
var element = document.getElementById(this.id + "-options");
if(element.style.display == "block"){
element.style.display = "none";
this.innerHTML = "🔽 Advanced 🔽";
}
else{
element.style.display = "block";
this.innerHTML = "🔼 Advanced 🔼";
}
}
/* Function to demonstrate the effect of rotation on a single character ("a"). */
function demoRotation(){
var rotation = this.value;
var demo = document.getElementById(this.id + "-demo")
if(rotation == ""){
rotation = 0;
}
demo.innerHTML = emojisInit[rotation];
}
/* Event listeners. */
document.getElementById("encrypt-button").addEventListener("click", encrypt);
document.getElementById("decrypt-button").addEventListener("click", decrypt);
document.getElementById("encryption-toggle").addEventListener("click", toggleAdvanced);
document.getElementById("decryption-toggle").addEventListener("click", toggleAdvanced);
document.getElementById("rotation-for-encryption").addEventListener("change", demoRotation);
document.getElementById("rotation-for-decryption").addEventListener("change", demoRotation);