[英]Sign a text with PEM private key and using RSACryptoServiceProvider and SHA1 algorithm
[英]Convert C# to NodeJS (Sha1, Message Digest, Sign with Private Key)
我有一個將C#代碼轉換為NodeJS的任務。 我陷入了轉換。 對我來說看起來有點復雜。 任何幫助,將不勝感激。
byte[] str = ASCIIEncoding.Unicode.GetBytes('mystring');
SHA1 sha1 = SHA1.Create();
byte[] hashdata = sha1.ComputeHash(str);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(PrivateKey);
byte[] signature = rsa.SignData(hashdata, new SHA1CryptoServiceProvider());
return Convert.ToBase64String(signature);
這就是我想出的。 但是它不會產生與C#代碼相同的結果。
var convertString = require('convert-string');
var sha1 = require('js-sha1');
var rsaSign = require('jsrsasign');
var rsaUtil = require('jsrsasign-util');
var privateKeyFile = 'files/pvtKey'; //Its a PEM Private Key converted from XML Private Key.
/* -----BEGIN RSA PRIVATE KEY-----
MIICXQIBAAKBgQCYeml ...
-----END RSA PRIVATE KEY-----*/
var bytesArray = convertString.stringToBytes('mystring');
var messageDigest = sha1(bytesArray);
var privateKeyContent = rsaUtil.readFile(privateKeyFile);
var privateKey = rsaSign.KEYUTIL.getKey(privateKeyContent);
var sig = new rsaSign.KJUR.crypto.Signature({'alg': 'SHA1withRSA'});
sig.init(privateKey);
sig.updateHex(messageDigest);
var signedMsgDigest = sig.sign();
return Buffer.from(signedMsgDigest).toString('base64');
經過長時間的奮斗,我設法改變了自己。 只是留在這里。 可以為某人節省時間。
authhelper.js
var sha1 = require('js-sha1');
var rsaSign = require('jsrsasign');
var rsaUtil = require('jsrsasign-util');
var authhelper = {
generateAuthKey: function (str, privateKeyFile) {
// Change to bytes array with UTF-16 encoding
var bytesArray = this.stringToByteArray(str, 'utf16le');
// Hash result of step b with SHA1 algorithm to get message digest
var messageDigest = sha1(bytesArray);
// Sign message digest using private key (SHA1 with RSA)
var privateKeyContent = rsaUtil.readFile(privateKeyFile);
var privateKey = rsaSign.KEYUTIL.getKey(privateKeyContent);
var sig = new rsaSign.KJUR.crypto.Signature({'alg': 'SHA1withRSA'});
sig.init(privateKey);
sig.updateHex(messageDigest);
var signedMsgDigest = sig.sign();
// Encode with Base64
var authKey = Buffer.from(signedMsgDigest, 'hex').toString('base64');
return authKey;
},
stringToByteArray: function (str, encoding) {
var byteArr = [];
var buffer = new Buffer(str, encoding);
for (var i = 0; i < buffer.length; i++) {
byteArr.push(buffer[i]);
}
return byteArr;
}
};
module.exports = authhelper;
在routes.js中,導入authhelper.js並按以下方式使用它。
var authHelper = require('authhelper');
var str = 'mystring';
var privateKeyFile = 'files/pvtKey';
var authKey = authHelper.generateAuthKey(str, privateKeyFile);
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