getcharch's recent timeline updates
getcharch

getcharch

V2EX member #468246, joined on 2020-02-07 16:11:48 +08:00
getcharch's recent replies
Jan 20, 2023
Replied to a topic by billyu 推广 自制的兔年红包封面,欢迎 v 友们使用
感谢🌹,已领
Jan 10, 2023
Replied to a topic by gezimonkey Python 请教一个反爬的技术
https://cmd.im/pmhr

关键代码 传入参数 data-s.substring(3)
```
d = function (e) {
var t, n, o, i = e["length"], s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567=", l = 0, u = 0, c = "";
e = e["toUpperCase"]();
for (var d = 0; d < i; d += 1)
(t = s["indexOf"](e["charAt"](d))) >= 0 && t < 32 && (n = n << 5 | t, u += 5, u >= 8 && (o = 255 & n >> (u - 8), c = (c + String["fromCharCode"](o)), u -= 8));
if ((u > 0) && (o = (n << (8 - u) & 255) >> (8 - u), (o !== 0))) {
c = c + String.fromCharCode(o)
}
return c
}
```
非标准的 key 长度,可以使用 pyexecjs 库调用 CryptoJS 实现解密
https://github.com/brix/crypto-js/issues/293

CryptoJS 不会检测 key 长度,其它语言都需要标准的 key 长度
```
s = '1000011 1110001 1011010 110010 1100101 1101100 110010 1011000 1011001 110001 1101111 1101011 1101100 1110000 1110111 1101110 110111 1100011 1011000 1010001 1001001 1000010 110010 1100100 110010 110000 110010 110010 110000 110111 110001 110100 1100100 101011 1010010 111001 1000100 1010101 1010000 1001001 1010011 1000010 1010101 1100110 1011001 111000 1011010 1001010 1010100 1001000 1101110 1111010 1110001 1110111 111101 111101'
ciphertext = "".join([
chr(eval('0b' + i)) for i in s.split(' ')
])
print(ciphertext)

CqZ2el2XY1oklpwn7cXQIB2d20220714d+R9DUPISBUfY8ZJTHnzqw==
```
过来捧捧场,万一中了呢
感谢,上海已升
@locoz 反馈一下 中文 unicode 的还原会出现编码不对问题,需与 hex 字符分开处理

cmhtaW5nXw==
About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Solana   ·   918 Online   Highest 6679   ·     Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 · 14ms · UTC 18:20 · PVG 02:20 · LAX 11:20 · JFK 14:20
♥ Do have faith in what you're doing.