197 lines
6.2 KiB
HTML
197 lines
6.2 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>Proxifier keygen</title>
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</head>
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<body>
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<div>
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<label for="product">Product:</label>
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<select id="product">
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<option value="0">Proxifier Standard Edition</option>
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<option value="1">Proxifier Portable Edition</option>
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<option value="2">Proxifier for Mac</option>
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</select>
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</div>
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<div>
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<label for="exp-year">Exp. year:</label>
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<input type="number" min="2000" value="2077" id="exp-year" />
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</div>
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<div>
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<label for="exp-month">Exp. month:</label>
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<input type="number" min="1" max="12" value="12" id="exp-month" />
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</div>
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<div>
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<label for="fourth">4th part:</label>
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<input
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maxlength="5"
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pattern="[0-9A-Z]+"
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id="fourth"
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placeholder="random"
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value="SORRY"
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/>
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</div>
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<button onclick="updateKey()">Generate</button>
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<hr />
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<p
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style="text-align: center; font-weight: bold; font-size: 1.4em"
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id="key"
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></p>
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</body>
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<script>
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const keyEl = document.querySelector('#key')
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const productEl = document.querySelector('#product')
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const expYearEl = document.querySelector('#exp-year')
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const expMonthEl = document.querySelector('#exp-month')
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const fourthEl = document.querySelector('#fourth')
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window.onload = updateKey
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productEl.onchange = updateKey
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expYearEl.onchange = updateKey
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expMonthEl.onchange = updateKey
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fourthEl.onchange = updateKey
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function updateKey() {
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const expiry =
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(parseInt(expYearEl.value) - 2000) * 12 +
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(parseInt(expMonthEl.value) - 1)
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keyEl.innerText = generateKey(
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parseInt(productEl.value),
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fourthEl.value,
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expiry
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)
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}
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// below is based on
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// https://github.com/thedroidgeek/proxifier-keygen/blob/master/ProxifierKeygen/Keygen.cs
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function randRange(from, to) {
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return from + Math.round(Math.random() * (to - from))
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}
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function compileString(str) {
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let result = 0
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for (let i = str.length - 1; i >= 0; i--) {
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result *= 32
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const c = str[i]
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if (c === 'W') {
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continue
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}
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if (c === 'X') {
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result += 24
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} else if (c === 'Y') {
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result += 1
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} else if (c === 'Z') {
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result += 18
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} else if (c <= 57) {
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// '0' to '9'
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result += c.charCodeAt(0) - 48
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} // 'A' to 'V'
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else {
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result += c.charCodeAt(0) - 55
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}
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}
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return result >>> 0
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}
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function decompileString(value, length) {
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value >>>= 0
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let result = ''
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for (let i = 0; i < length; i++) {
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const tmp = value % 32
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value = Math.trunc(value / 32)
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if (tmp === 0) {
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result += 'W'
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} else if (tmp === 24) {
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result += 'X'
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} else if (tmp === 1) {
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result += 'Y'
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} else if (tmp === 18) {
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result += 'Z'
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} else if (tmp <= 9) {
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result += String.fromCharCode(tmp + 48)
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} else {
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result += String.fromCharCode(tmp + 55)
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}
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}
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return result
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}
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function crc32LikeThingy(data) {
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data = new Uint8Array(data)
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let result = -1
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for (let i = 0; i < 12; i++) {
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result ^= data[i] << 24
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for (let j = 0; j < 8; j++) {
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if (result < 0) {
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result <<= 1
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result ^= 0x4c11db7
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} else {
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result <<= 1
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}
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}
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}
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return result
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}
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function chunk(str, size) {
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let chunks = []
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let pos = 0
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while (pos < str.length) {
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chunks.push(str.substr(pos, size))
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pos += size
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}
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return chunks
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}
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function generateKey(
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product = 0,
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fourthKeyPart = '',
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expirationDate = 0
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) {
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const charset = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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const param1 =
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randRange(
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0x2580,
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0xffff
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) /* < 0x2580 ==> outdated key message */ +
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(product << 21)
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const param2 =
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randRange(0, 0xffff) +
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(expirationDate << 16) /* 0 ==> no expiration */
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while (fourthKeyPart.length < 5) {
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fourthKeyPart += charset[randRange(0, charset.length - 1)]
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}
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const param3 = compileString(fourthKeyPart)
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const data = new ArrayBuffer(12)
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const intArr = new Int32Array(data)
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intArr[0] = param1
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intArr[1] = param2
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intArr[2] = param3
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const value1 = crc32LikeThingy(data) & 0x1ffffff
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const value2 = value1 ^ (value1 << 7)
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const value3 = param1 ^ value2 ^ 0x12345678
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const value4 = param2 ^ value2 ^ 0x87654321
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let key = decompileString(value3, 7)
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key += decompileString(value4, 7)
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key += key[2] // 15th char becomes 3rd
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key += fourthKeyPart
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key += decompileString(value1, 5)
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// 3rd char doesn't affect the key check, as long as it's not a 'Y' ==> Proxifier v2 key (outdated)
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let rndChar = charset[randRange(0, charset.Length - 1)]
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if (rndChar === 'Y') rndChar = 'Z'
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return chunk(key, 5).join('-')
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}
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</script>
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</html>
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