【问题标题】:3DES crypto on PHP produces different result from NodeJSPHP 上的 3DES 加密产生与 NodeJS 不同的结果
【发布时间】:2021-08-19 16:37:27
【问题描述】:

我正在构建一个需要信用卡 3DES-CBC 加密的结帐,但我在 PHP 和 NodeJS 上得到不同的结果。

PHP 代码:

    <?php

    $postfields = array(
        'CartaoNumero' => '0000000000000000',
        'CartaoMesAno' => '00/0000',
        'CartaoSeg' => '000',
        'CartaoNome' => 'Name Lastname',
        'IdentFatura' => 'companyName',
        'Valor' => '100',
        'NomeCliente' => 'Name Lastname',
        'EmailCliente' => 'test@testcompany.com',
        'CpfCliente' => preg_replace("/[.-]/", "", '111.222.333-44'),
    );
    
    $criptoKey = 'yzzqaKsC5iaZV0a2\/oexiimfYhh1yd39';
    $criptoKey = base64_decode($criptoKey);
    $criptoKey = unpack('H*', $criptoKey);
    $criptoKey = implode($criptoKey);
    
    $criptoIV = 'pO432mbTiCI=';
    $criptoIV = base64_decode($criptoIV);
    $criptoIV = unpack('H*', $criptoIV);
    $criptoIV = implode($criptoIV);
    
    
    $dataOfCard = json_encode($postfields);
    $dataOfCard = openssl_encrypt($dataOfCard, 'DES-EDE3-CBC', $criptoKey, 0, $criptoIV);
    
    echo $dataOfCard;
    
    ?>

结果:bxanrc856Z + 7EoICArPYFvAjFfQfmIPXyUzKjEenlMQ4QPfWbfQELs8Z3i2jWq3mn2hFZUs6PCnno2cejkY2Jtaw94Bs5E7JN4kzyn2lMH + l8LwSHdOAytw4KsxEM7MssZlcmLqk + ZaBYehZM26Ci5JcX6oBcARDxPs9EMWYzttS / xDEu2gQzaExqLZlAC9 + XwWZwpVPJfgzcS5YA1PRcliYyG01G8Uj9SAFcPtJOPUttkLrrcSSuHo3SsnnhjeRyiEmR0FhgvHlnx3UCAxo4fhtH2Z6z5E5nV2RHzYU81FIP5S1Jikh4xyZAZ3Xtgm8enWl3wTg / 60 = P>


NodeJS 代码:

    var dataOfCard ={'CartaoNumero':'0000000000000000','CartaoMesAno':'00/0000','CartaoSeg':'000','CartaoNome':'Name Lastname','IdentFatura':'companyName','Valor':'100','NomeCliente':'Name Lastname','EmailCliente':'test@testcompany.com','CpfCliente':'11122233344'};
    var secretKey = 'yzzqaKsC5iaZV0a2\/oexiimfYhh1yd39';
    var secretIV = 'pO432mbTiCI=';
    
    global.crypto = require('crypto')
    
    async function encryptCardData(dataOfCard, secretKey, secretIV) {
        try {
            const des3_key = new Buffer.from(secretKey, "base64"); 
            const des3_iv = new Buffer.from(secretIV, "base64");
            const cardString = JSON.stringify(dataOfCard);
    
            const cipher = crypto.createCipheriv('des-ede3-cbc', des3_key, des3_iv);
            
            const encrypted = cipher.update(cardString, 'utf8', 'base64');
        
            return encrypted + cipher.final('base64');  
    
        } catch (error) {
            console.error("Falha no momento de encrypt dos dados do cartão.", error.message);
            throw error;
        }

   }

结果:TFMIANgM + pd7UOhakdfbcC2ulKLL0X6F6sXAyK3CvsnGi0f64n / sGOACQHM / rNqr / EA / QlFsTQFRBYxf6EKNg6g3Empx0FFZY77qv7oMJO3w ++ TW14uOaVk72uz0U9uHF2YHZGOnJ2Lm8yGang3XuT6smPraV4uw / Arzaw / qSA56ao7fQUeFhGRvIy19ta8QfMMirCRyJrnFCvK4Xmc + FxUH6qxN / svYZcz + jziPVtHryWNad9d1hO5AkgwClNI7yDaA5PxgIUQ3G + jGl1GfhI8i6Xfn1VYgfjNqW48fuoSpAz7ShNX6S1k / nyeNpF9vPZNpMEydQ94 = P>


NodeJS 正在生成正确的结果。我需要在 PHP 模型上更正什么?

【问题讨论】:

    标签: php node.js encryption cryptography 3des


    【解决方案1】:

    你有 2 个问题。

    1. 您无缘无故地在密钥和 iv 上调用 unpack()implode()。不要那样做。
    2. 您的明文不同。 PHP 对json_encode() 的默认设置包括转义斜线,因此"00/0000" 变为"00\/0000"。您可以使用 JSON_UNESCAPED_SLASHES 标志禁用此功能。

    【讨论】:

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