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decrypt.html
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decrypt.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>RSLogix 5000 Source Protection Decryption</title>
<script src="aes.js"></script>
<script src="sha256.js"></script>
<script src="rc4.js"></script>
<script src="sha1.js"></script>
<script src="enc-utf16-min.js"></script>
<script>
"use strict";
var xpath = "//EncodedData|//*[@EncodedSourceKey]|//*[@SourceKey]";
var keymatl1 = CryptoJS.enc.Utf16LE.parse("Doug'sExportEncryption".slice(0, 11)); // Hi Doug
var keymatl2 = CryptoJS.enc.Hex.parse('5D002C0031006800610031004500580054002900240051005A003A005200370065006900390041004B0028005D005D00570034004800630031005C006A0040');
var keymatl3 = CryptoJS.enc.Hex.parse('5900530033003F0043004E0021004000420073004900740039006C0070002D003D0043004A003200300065004C004500760021005A0064004900530033002500680052006B00470070005700720079004F00590021006C00690021004C002F006E0038005F0023002A00760034002E0048007A00570048002D00700034007600');
var keymatl5 = CryptoJS.enc.Hex.parse('5300340079005400560049005A007A00240063003E005700380026005D0078002F003B004F00550065003F00660051006F007A003300620063005700260042007B0031005A00240068002B006F00460033005C004C003D0023004B005E00650055002500580032007300480048002B0055003D004D0063004E0037002900');
var keymatl6 = CryptoJS.enc.Hex.parse('277d3a6f747c647b457d587a502c7a5c4c793137617d24762e6a482a6f54433d553e746c6638655f504f682b68485d695e352c2a2d6f343e325a5d71262961');
var keymatl7 = CryptoJS.enc.Hex.parse('786d732a344075703d7d7556464065645769554c622e646b403b6e443c405372502e6c373f4a6b33326f5a457b697377552779286f483d4e53553a5e523f30');
var keymatl8 = CryptoJS.enc.Hex.parse('4f2a6b7a713d39495432234c3f7e7c3a775b2a4d674773577a717331436d345b2429456a6761433c5a282c323226724b654632267c392c7442276a2d2e723d');
function print(text, color) {
var output = document.getElementById('output');
var span = document.createElement('span');
span.style.color = color;
span.appendChild(document.createTextNode(text));
output.appendChild(span);
output.appendChild(document.createElement('br'));
}
function decrypt_8(b64text, format, embedded_iv) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
ciphertext = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(4));
var key = CryptoJS.SHA256(keymatl8);
var iv;
if (embedded_iv) {
iv = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(0, 32));
ciphertext = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(32));
} else {
iv = CryptoJS.lib.WordArray.create([0, 0, 0, 0]);
}
var options = {iv: iv, mode: CryptoJS.mode.CBC};
var decryptor = CryptoJS.algo.AES.createDecryptor(key, options);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsuccessful', 'red');
}
return plaintext;
}
function decrypt_7(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
ciphertext = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(4));
var key = CryptoJS.SHA256(keymatl7);
var iv = CryptoJS.lib.WordArray.create([0, 0, 0, 0]);
var options = {iv: iv, mode: CryptoJS.mode.CBC};
var decryptor = CryptoJS.algo.AES.createDecryptor(key, options);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsuccessful', 'red');
}
return plaintext;
}
function decrypt_6(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
ciphertext = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(4));
var key = CryptoJS.SHA256(keymatl6);
var iv = CryptoJS.lib.WordArray.create([0, 0, 0, 0]);
var options = {iv: iv, mode: CryptoJS.mode.CBC};
var decryptor = CryptoJS.algo.AES.createDecryptor(key, options);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsuccessful', 'red');
}
return plaintext;
}
function decrypt_5(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
ciphertext = CryptoJS.enc.Hex.parse(ciphertext.toString().slice(4));
var key = CryptoJS.SHA256(keymatl5);
var iv = CryptoJS.lib.WordArray.create([0, 0, 0, 0]);
var options = {iv: iv, mode: CryptoJS.mode.CBC};
var decryptor = CryptoJS.algo.AES.createDecryptor(key, options);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsuccessful', 'red');
}
return plaintext;
}
function decrypt_3(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
var key = CryptoJS.SHA256(keymatl3);
var iv = CryptoJS.lib.WordArray.create([0, 0, 0, 0]);
var options = {iv: iv, mode: CryptoJS.mode.CBC};
var decryptor = CryptoJS.algo.AES.createDecryptor(key, options);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsuccessful', 'red');
}
return plaintext;
}
function decrypt_2(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
var hashed = CryptoJS.SHA1(keymatl2);
var key = CryptoJS.enc.Hex.parse(hashed.toString(CryptoJS.enc.Hex).slice(0, 10) + '0000000000000000000000');
var decryptor = CryptoJS.algo.RC4.createDecryptor(key);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsucessful', 'red');
}
return plaintext;
}
function decrypt_1(b64text, format) {
var ciphertext = CryptoJS.enc.Base64.parse(b64text);
var hashed = CryptoJS.SHA1(keymatl1);
var key = CryptoJS.enc.Hex.parse(hashed.toString(CryptoJS.enc.Hex).slice(0, 10) + '0000000000000000000000');
var decryptor = CryptoJS.algo.RC4.createDecryptor(key);
var part1 = decryptor.process(ciphertext);
var part2 = decryptor.finalize();
var plaintext = part1.toString(format) + part2.toString(format);
if (plaintext.length == 0 && ciphertext.words.length > 0) {
print('Decryption was unsucessful', 'red');
}
return plaintext;
}
function patchXML(data) {
try {
var encryptionConfig = 0;
var doc = new DOMParser().parseFromString(data, 'application/xml');
if (doc.getElementsByTagName('parsererror').length > 0) {
print('An XML parser error occurred, did you use a .L5X file?', 'red');
return '';
}
var flag = true;
while (flag)
{
var result = doc.evaluate(xpath, doc, null, XPathResult.ANY_UNORDERED_NODE_TYPE, null);
var element = result.singleNodeValue;
if (element == null) {
flag = false;
continue;
}
if (element.tagName == 'EncodedData') {
var temp = element.getAttribute('EncryptionConfig');
if (temp === null) {
encryptionConfig = 1;
} else if (temp == '2') {
encryptionConfig = 2;
} else if (temp == '3') {
encryptionConfig = 3;
} else if (temp == '5') {
encryptionConfig = 5;
} else if (temp == '6') {
encryptionConfig = 6;
} else if (temp == '7') {
encryptionConfig = 7;
} else if (temp == '8') {
encryptionConfig = 8;
} else {
print('Error: An unsupported EncryptionConfig value was found. (' + temp + ') Decryption of this file is not yet supported.', 'red');
return '';
}
var list = [];
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType == Node.TEXT_NODE) {
list.push(child.nodeValue.replace(/\n/g, ''));
}
}
var decoded;
if (encryptionConfig == 1) {
decoded = decrypt_1(list.join(''), CryptoJS.enc.Utf16LE);
if (decoded.charCodeAt(decoded.length - 1) == 0) {
decoded = decoded.slice(0, decoded.length - 1);
}
} else if (encryptionConfig == 2) {
decoded = decrypt_2(list.join(''), CryptoJS.enc.Utf16LE);
if (decoded.charCodeAt(decoded.length - 1) == 0) {
decoded = decoded.slice(0, decoded.length - 1);
}
} else if (encryptionConfig == 3) {
decoded = decrypt_3(list.join(''), CryptoJS.enc.Utf16LE);
} else if (encryptionConfig == 5) {
decoded = decrypt_5(list.join(''), CryptoJS.enc.Utf16LE);
} else if (encryptionConfig == 6) {
decoded = decrypt_6(list.join(''), CryptoJS.enc.Utf16LE);
} else if (encryptionConfig == 7) {
decoded = decrypt_7(list.join(''), CryptoJS.enc.Utf16LE);
} else if (encryptionConfig == 8) {
decoded = decrypt_8(list.join(''), CryptoJS.enc.Utf8, true);
}
var subdoc = new DOMParser().parseFromString(decoded, 'application/xml');
if (subdoc.getElementsByTagName('parsererror').length > 0) {
print('An XML parser error occurred, decryption may have been unsuccessful', 'red');
return '';
}
for (var i = 0; i < subdoc.childNodes.length; i++) {
var imported = doc.importNode(subdoc.childNodes[i], true);
element.parentNode.insertBefore(imported, element);
}
element.parentNode.removeChild(element);
print('Unpacked encoded data', 'green');
} else if (element.hasAttribute('EncodedSourceKey')) {
var decoded;
if (encryptionConfig == 1) {
decoded = decrypt_1(element.getAttribute('EncodedSourceKey'), CryptoJS.enc.Latin1);
} else if (encryptionConfig == 2) {
decoded = decrypt_2(element.getAttribute('EncodedSourceKey'), CryptoJS.enc.Latin1);
} else if (encryptionConfig == 3) {
decoded = decrypt_3(element.getAttribute('EncodedSourceKey'), CryptoJS.enc.Latin1);
} else if (encryptionConfig == 5) {
decoded = decrypt_5(element.getAttribute('EncodedSourceKey'), CryptoJS.enc.Latin1);
}
element.removeAttribute('EncodedSourceKey');
if (element.hasAttribute('SourceProtectionType')) {
element.removeAttribute('SourceProtectionType');
}
if (element.hasAttribute('EditedDate')) {
var date = new Date(element.getAttribute('EditedDate'));
date.setMilliseconds(1 + date.getMilliseconds());
element.setAttribute('EditedDate', date.toISOString());
}
if (encryptionConfig == 6) {
print('Source key recovery is not supported for EncryptionConfig="6"', 'orange');
} else if (encryptionConfig == 7) {
print('Source key recovery is not supported for EncryptionConfig="7"', 'orange');
} else if (encryptionConfig == 8) {
print('Source key recovery is not supported for EncryptionConfig="8"', 'orange');
} else {
print('Found source key: "' + decoded + '"', 'green');
}
} else if (element.hasAttribute('SourceKey')) {
var sk = element.getAttribute('SourceKey');
element.removeAttribute('SourceKey');
if (element.hasAttribute('SourceProtectionType')) {
element.removeAttribute('SourceProtectionType');
}
if (element.hasAttribute('EditedDate')) {
var date = new Date(element.getAttribute('EditedDate'));
date.setMilliseconds(1 + date.getMilliseconds());
element.setAttribute('EditedDate', date.toISOString());
}
print('Found source key: "' + sk + '"', 'green');
}
}
return new XMLSerializer().serializeToString(doc);
} catch (e) {
print('Exception caught: ' + e, 'red');
console.log(e);
throw e;
}
}
function handleDrop(event) {
if (event.dataTransfer.files.length == 1) {
var file = event.dataTransfer.files[0];
var fr = new FileReader();
fr.addEventListener('load', function(frevent) {
var textin = document.getElementById('textin');
var textout = document.getElementById('textout');
textin.value = frevent.target.result;
textout.value = patchXML(frevent.target.result);
textout.focus();
textout.select();
}, true);
fr.readAsText(file);
}
}
document.addEventListener('DOMContentLoaded', function(event) {
document.getElementById('button').addEventListener('click', function(event) {
var textin = document.getElementById('textin');
var textout = document.getElementById('textout');
textout.value = patchXML(textin.value);
textout.focus();
textout.select();
}, true);
document.body.addEventListener('dragover', function(event) {
event.preventDefault();
}, true);
document.body.addEventListener('drop', function(event) {
event.preventDefault();
handleDrop(event);
}, true);
if (!document.evaluate) {
print('Your browser does not support XPath, please try again with a modern browser', 'red')
}
}, true);
</script>
</head>
<body>
<form><table><tr>
<td>
<label for="textin">Input (with encrypted sections)</label>
<br />
<textarea id="textin" name="textin" rows="10" cols="40" placeholder="Paste the text of your exported XML here (starts with <?xml version=...)"></textarea>
</td>
<td style="vertical-align: middle;">
<button id="button" type="button">Decrypt →</button>
</td>
<td>
<label for="textout">Output (decrypted)</label>
<br />
<textarea id="textout" name="textout" rows="10" cols="40" placeholder="Decrypted text will appear here"></textarea>
</td>
</tr></table></form>
<div id="output">
Drag a .L5X file onto this page, or open it in Notepad and paste its contents into the text box.
<br />
For more instructions, read the <a href="https://github.com/skdatmonster/DecryptSourceProtection/blob/master/README.md">README</a>.
<br />
</div>
</body>
</html>