求助大佬这段代码在js中运行测试正常，但是转换成python代码就报错了？

  • Z时代
  • 2024-02-07
  • 分类：IT

求助大佬这段代码在js中运行测试正常，但是转换成python代码就报错了？

const crypto = require('crypto')
function m(e) {
    return crypto.createHash('md5').update(e).digest()
}
let o = 'ydsecret://query/key/B*RGygVywfNBwpmBaZg*WT7SIOUP2T0C9WHMZN39j^DAdaZhAnxvGcCY6VYFwnHl'
let n = 'ydsecret://query/iv/C@lZe2YzHtZ2CYgaXKSVfsb7Y4QWHjITPPZ0nQp87fBeJ!Iv6v^6fvi2WN@bYpJ4'
function decode(t) {
    if(!t)
        return null;
    const a = Buffer.alloc(16, m(o))
        , r = Buffer.alloc(16, m(n))
        , i = crypto.createDecipheriv('aes-128-cbc', a, r);
    let s = i.update(t, 'base64', 'utf-8');
    return s += i.final('utf-8'),
    s
}
let t = 'Z21kD9ZK1ke6ugku2ccWu4n6eLnvoDT0YgGi0y3g-v0B9sYqg8L9D6UERNozYOHqnYdl2efZNyM6Trc_xS-zKtfTK4hb6JP8XwCzNh0avc8qItQUiIU_4wKKXJlIpvMvfKvJaaZzaX6VEtpkr2FdkfoT_Jgbm2GRSVj3r40autIdlImENG8hC0ZH4ww7utwuTt3Oo_ZpXg0BSq9wePSAB75-ChkiGKF9HTIPeCl2bl84SBD1XDfFCZpkKQhecYSs0JLoXOqP2ltavxRrg58Hp1q5uIgZZ_Oo2-Jmd-t1r4es40drcAq5bjmS62M2VJF8D6ojtOh9JTfNwgzD3CxYn-Pd7-TgHMyNEJEkFXTAyxzpjlFqtrCYDE3SZUYlENkqsL8Wrra1hM-1nTfiB-BLcWAdRBynNpP5_54aq_-GBsq8bB_9yEX5ovzDB4_Ry_spVVuUnb39iplMHCdCnjOD3ngiIDbl9SUz-9npjBX05ZYRdPmFPAl424qdoaxeVqnVoH8jQFPZVqaHMzu4mJg0SICDWFH7GP1zqGRbXd3ESjT_iBInl3gICt2XVuhh_nubcELkTEC6xbqEDRQkPUNMpzXJHjcvsLHtcmSW0S9F0445ho9kT2qZYdMBC3Fs0OaHpUtFu77gZpQn7sGiqh8VliXIcUtfvvop-1c-Vu5QjfUbLn2-s5POR9fGYG6rt6ioe_PGmwWj-Cc00zUM7FybfarKTr4D3Rk57R72qpXN4Ja86ZsCAMmDG-m5z31RQh_V7echJ8Kna3Go3yWKCK4vtSwOWrFhiS5RTz6EkrGc3SkFKbb5vp8Wop_84myBtgnBmj4CczhTq2HcOxrJf4def6yDt2uBxyv4bTVGx9Yx3uB4Gx0iK5kYvfma6B_LnkRWk331wjuXKQtBGYIuWkR8J5QtvBmIRVaa7AA19Z4xMIEAqbcuQ5p4I9FCElthBrJd9YOcouHK4U27xxYWJJXcJoTvzG7zWtiV76fHDeQLgAWvJJ7ww4NFgjhqc6AKA_2afxa4c_lAvVZgFuKL3XSCL7PfKxp6GhjcGKeSRr80PT1gfFw2xi8X4ejjNm_prsUZ'
console.log(decode(t))

这个是AES解密，但是我转Python语法的AES就不行了 求助大佬
这个还是chatGPT写的

import hashlib
from Crypto.Cipher import AES
import base64
def m(e):
    return hashlib.md5(e.encode()).digest()
def decode(t):
    if not t:
        return None
    o = 'ydsecret://query/key/B*RGygVywfNBwpmBaZg*WT7SIOUP2T0C9WHMZN39j^DAdaZhAnxvGcCY6VYFwnHl'
    n = 'ydsecret://query/iv/C@lZe2YzHtZ2CYgaXKSVfsb7Y4QWHjITPPZ0nQp87fBeJ!Iv6v^6fvi2WN@bYpJ4'
    a = m(o)
    r = m(n)
    i = AES.new(a, AES.MODE_CBC, r)
    s = i.decrypt(base64.b64decode(t)).decode('utf-8')
    return s

报错代码

binascii.Error: Invalid base64-encoded string: number of data characters (1053) cannot be 1 more than a multiple of 4

回答：

字符串不是Base64编码字符串格式，检查一下t，t 的长度为1053，不是4的倍数

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