Question

由于@ sami-hult，刚刚学习了如何加密二进制文件-我发现我也无法解密！我收到协议缓冲区消息并退出感兴趣的领域。纯文本是一个32字节的值。我可以验证它在远端被加密为32字节的有效负载，并且与发送时完全一样。

在这一点上，我正在努力找出下一部分。当我尝试将值缠绕为字符串时，我似乎做错了（再次）。

        console.log('this.keyPairClient.public = ' + this.keyPairClient.public);

        var iv_hexString = this.buf2hex(this.deviceRandom);
        var key_hexString = this.buf2hex(this.shared_key);
        var key = CryptoJS.enc.Hex.parse(key_hexString);
        var iv = CryptoJS.enc.Hex.parse(iv_hexString); 
        console.log('iv  = ' + iv);
        console.log('key = ' + key);

        const arrayToString = arr => arr.reduce((str, code) => str + String.fromCharCode(code), '');

        const encrypted = new Uint8Array(this.device_Verfify_Data);
        console.log('encrypted = ' + this.buf2hex( encrypted ));    // correct! 32 bytes as sent
        console.log('encrypted string length = ' + encrypted.length );
        const encryptedString = arrayToString(encrypted);


        // Decrypt. 
        const decryptedString = CryptoJS.AES.decrypt(encryptedString, key, {
          mode: CryptoJS.mode.CTR,
          iv: iv,
          padding: CryptoJS.pad.NoPadding
        }).toString(CryptoJS.enc.Latin1);

      //  const decryptedArray8 = Uint8Array.from(Buffer.from(decryptedString, 'latin1'));
        console.log('decrypted string length = ' + decryptedString.length );
        console.log('decryptedString = ' + decryptedString);
        const decryptedArray8 = this.stringToBytes(decryptedString);
        console.log('decryptedArray8 = ' + decryptedArray8);
        console.log(Array.apply([], decryptedArray8).join(","));
        console.log('decryptedArray8 = ' + this.buf2hex( decryptedArray8 ));

    buf2hex(buffer) { // buffer is an ArrayBuffer
      return Array.prototype.map.call(new Uint8Array(buffer), x => ('00' + x.toString(16)).slice(-2)).join('');
    }

日志如下：

[ng] [console.log]: "this.keyPairClient.public = 194,5,240,229,198,49,173,141,47,89,8,93,132,155,193,249,174,174,125,124,152,142,56,85,155,6,42,105,143,155,78,65"
[ng] [console.log]: "iv  = ab3b3463be9f799c64ce9d556c6d4863"
[ng] [console.log]: "key = 7a8d39e4ec63d2a111c368e8b0b1681924e5881a4bb7c35766df39b87bd085f7"
[ng] [console.log]: "encrypted = f2cfc754c8329691b54d046c54b27f077fd42663171aeb3935f747de70918d36"
[ng] [console.log]: "encrypted string length = 32"
[ng] [console.log]: "decrypted string length = 24"
[ng] [console.log]: "decryptedString = ÿ7>úÇlú«P\u0007:@\u000eaMtqÀù;ÃÓy"
[ng] [console.log]: "decryptedArray8 = [object ArrayBuffer]"
[ng] [console.log]: ""
[ng] [console.log]: "decryptedArray8 = 93ff373efac76cfaab50073a400e614d7471c0f93bc3d379"

加密的= f2cfc ...与发送的二进制值匹配：

D (15209) security1: Device verify data:
D (15209) security1: f2 cf c7 54 c8 32 96 91 b5 4d 04 6c 54 b2 7f 07
D (15219) security1: 7f d4 26 63 17 1a eb 39 35 f7 47 de 70 91 8d 36

但是很明显，由于只有24个字节出现，所以下一部分会出错。它与所期望的值（this.keyPairClient.public）完全不同。噢亲爱的！有什么想法吗？

格式化解密二进制数据Crypto-js

0 个答案: