我正在尝试运行这个
function hex2a(hex) {
var str = '';
for (var i = 0; i < hex.length; i += 2)
str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
return str;
}
//Raw cookie
var cookie = "B417B464CA63FE780584563D2DA4709B03F6195189044C26A29770F3203881DD90B1428139088D945CF6807CA408F201DABBADD59CE1D740F853A894692273F1CA83EC3F26493744E3D25D720374E03393F71E21BE2D96B6110CB7AC12E44447FFBD810D3D57FBACA8DF5249EB503C3DFD255692409F084650EFED205388DD8C08BF7B941E1AC1B3B70B9A8E09118D756BEAFF25834E72357FD40E80E76458091224FAE8";
//decryptionKey from issuers <machineKey>
var deckey = "FFA87B82D4A1BEAA15C06F6434A7EB2251976A838784E134900E6629B9F954B7";
var crypto = require('crypto');
var ivc = cookie, iv, cipherText, ivSize = 16, res = "";
ivc = new Buffer(ivc, 'hex');
iv = new Buffer(ivSize);
cipherText = new Buffer(ivc.length - ivSize);
ivc.copy(iv, 0, 0, ivSize);
ivc.copy(cipherText, 0, ivSize);
c = crypto.createDecipheriv('aes-256-cbc', hex2a(deckey), iv.toString('binary'));
res = c.update(cipherText, "binary", "utf8");
res += c.final('utf8');
console.log(res);
在这个Q&A中,它提到了关于节点 js 版本的差异,我尝试应用那个但没有成功:
res = c.update(cipherText, "binary", "utf8");
线结果这样的结果
�sJ舸=�X7D������G����}x���T
和
res += c.final('utf8');
给出这个错误
0606506D:digital envelope routines:EVP_DecryptFinal_ex:wrong final block length
nodejs 版本:4.1.2 和加密版本 0.0.3
我怎样才能用这个算法正确解密 cookie 或者你能建议任何其他的吗?