handsoたbleライセンスコード生成には備考があります.
7538 ワード
(function(){
function random(min, max){
let n = max - min + 1
return Math.ceil((Math.random() * n)) - 1 + min
}
function randomString(length){
let r = ''
for(let i=0;i 98 - 100x % 97 > 2 a = 0
98 - 100x % 97 = 98 a ∈ [-1, 0]
∵ y < 100
∴ 98 - 100x % 97 <= 2 y 98 - 100x % 97
98 > 98 - 100x % 97 > 2 y 98 - 100x % 97
98 - 100x % 97 = 98 y 1
∴ 98 > 98 - 100x % 97 y 98 - 100x % 97
98 = 98 - 100x % 97 y 1
y ∈ [100, 255]
(1000x + y) % 97 = 1
y % 97 = 97 - 1000x % 97 + 1
y % 97 = 98 - 1000x % 97
y = a * 97 + (98 - 1000x % 97)
∵ y ∈ [100, 255] , 98 - 1000x % 97 ∈ [2, 98]
∴ 98 - 1000x % 97 < 3 a = 2
3 <= 98 - 1000x % 97 <= 61 a ∈ [1, 2]
∵ y > 100
∴ 98 - 1000x % 97 < 3 y 98 - 1000x % 97 + 97 * 2
98 - 1000x % 97 > 61 y 98 - 1000x % 97 + 97 * 1
3 <= 98 - 1000x % 97 <= 61 y 98 - 1000x % 97 + 97 * 2
∴ 98 - 1000x % 97 <= 61 y 98 - 1000x % 97 + 97 * 2
98 - 1000x % 97 > 61 y 98 - 1000x % 97 + 97 * 1
*/
let min,max,ys=[],y
if(98 - 100 * x % 97 === 98){
min = 1
}else{
min = 98 - 100 * x % 97
}
if(98 - 1000 * x % 97 > 61){
max = 98 - 1000 * x % 97 + 97 * 1
}else{
max = 98 - 1000 * x % 97 + 97 * 2
}
let i=0
do{
ys.push(max - i * 97)
i++
}while(max - i * 97 >= 100)
if(min + 97 < 100){
ys.push(min + 97)
}
ys.push(min)
y = ys[random(0, ys.length - 1)]
return y.toString(16).padStart(2, '0')
}
function calcFF_2(x){
/*
// y x
0 <= y < 100
(100x + y) % 97 = 1
y % 97 = 97 - 100x % 97 + 1
y % 97 = 98 - 100x % 97
y = a * 97 + (98 - 100x % 97)
∵ y ∈ [0, 100) , 98 - 100x % 97 ∈ [2, 98]
∴ 98 - 100x % 97 <= 2 a ∈ [0, 1]
98 > 98 - 100x % 97 > 2 a = 0
98 - 100x % 97 = 98 a ∈ [-1, 0]
100 <= y <= 255
(1000x + y) % 97 = 1
y % 97 = 97 - 1000x % 97 + 1
y % 97 = 98 - 1000x % 97
y = a * 97 + (98 - 1000x % 97)
∵ y ∈ [100, 255] , 98 - 1000x % 97 ∈ [2, 98]
∴ 98 - 1000x % 97 < 3 a = 2
3 <= 98 - 1000x % 97 <= 61 a ∈ [1, 2]
*/
let y = 0
if(random(0,255) < 100){
let z = 98 - 100 * x % 97
if(z <= 2){
y = random(0, 1) * 97 + z
}else if(z == 98){
y = random(-1, 0) * 97 + z
}else{
y = z
}
}else{
let z = 98 - 1000 * x % 97
if(z < 3){
y = 2 * 97 + z
}else if(z > 61){
y = 97 + z
}else{
y = random(1, 2) * 97 + z
}
}
return y.toString(16).padStart(2, '0')
}
function calcFF_3(x){
/*
100
*/
let arr = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255]
let y
do{
let i = random(0, arr.length - 1)
y = arr.splice(i, 1)[0]
}while(((y > 100 ? (1000 * x) : (100 * x)) + y) % 97 !== 1)
return y.toString(16).padStart(2, '0')
}
function build(day = 365){
// day 45000
// 1-6 9-14 17-18
for(let i=0;i<3;i++){
if(i===0){
// 1-6
v = randomString(6)
// 1-6 7-8 97 1
// 7-8
v += calcFF(parseInt(v.substr(0, 6), 16))
}else if(i===1){
// 9-14
v += randomString(6)
// 7-14 15-16 97 1
// 15-16
v += calcFF(parseInt(v.substr(6, 8), 16))
}else{
// 17-18
v += randomString(2)
// 19-23
// + 2 0 9 16
let n = (parseInt((new Date()) / 8.64e7) + day) * (parseInt(v.substr(1,1), 16) || 9)
if(n > parseInt('fffff', 16)){
//
// 100
return ""
}
v += n.toString(16).padStart(5,'0')
// 15-23 24-25 97 1
// 24-25
v += calcFF(parseInt(v.substr(14, 9), 16))
}
}
let r = []
for(let i=0;i<5;i++){
r.push(v.substr(i*5, 5))
}
return r.join('-')
}
function _checkKeySchema(v) {
//
let p = 0;
if (v.length !== 25) {
return false;
}
for(let item of [[0, 6, 6], [6, 8, 14], [14, 9, 23]]){
if(parseInt(parseInt(v.substr(item[0], item[1]), 16) + String(parseInt(v.substr(item[2], 2), 16)).padStart(2, '0')) % 97 !== 1){
return false
}
}
return true
}
function _extractTime(v){
//
return parseInt(v.substr(18, 5), 16) / (parseInt(v.substr(1, 1), 16) || 9)
}
function vaild(k){
//
let v = k.replace(/\-/g, '')
let keyGenTime = _extractTime(v)
if(keyGenTime > 45000 || keyGenTime !== parseInt(keyGenTime, 10)){
return false
}
let releaseTime = Math.floor((new Date()) / 8.64e7)
if (releaseTime > keyGenTime + 1) {
return false
}
return _checkKeySchema(v)
}
return build()
})()