我正在努力在C＃中实现打字稿中的加密和解密。在这里发布问题之前，我对它进行了Google搜索，并找到了一些链接，但这些链接与JavaScript相关，而不与打字稿相关。
如何在Angular 2 eg中导入非核心npm模块（以使用加密库）？
我遵循了以上链接，以在当前应用程序中实现加密/解密概念。
这是我在myservice.ts中编写的代码
//import { CryptoJS } from 'node_modules/crypto-js/crypto-js.js';
//import 'crypto-js';
import * as CryptoJS from 'crypto-js';
var key = CryptoJS.enc.Utf8.parse('7061737323313233');
var iv = CryptoJS.enc.Utf8.parse('7061737323313233');
var encrypted = CryptoJS.AES.encrypt(CryptoJS.enc.Utf8.parse("It works"), key,
{
keySize: 128 / 8,
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
var decrypted = CryptoJS.AES.decrypt(encrypted, key, {
keySize: 128 / 8,
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
console.log('Encrypted :' + encrypted);
console.log('Key :' + encrypted.key);
console.log('Salt :' + encrypted.salt);
console.log('iv :' + encrypted.iv);
console.log('Decrypted : ' + decrypted);
console.log('utf8 = ' + decrypted.toString(CryptoJS.enc.Utf8));
在将上述代码行添加到myservice.ts中之前，我在package.json文件中将依赖项添加为“ crypto-js”：“ ^ 3.1.9-1”。
在package.json中添加以上依赖项之后，我就成功恢复了软件包。但是CryptoJS仍然在myservice.ts中显示错误，例如找不到名为CryptoJS的名称。
您能否告诉我如何从节点模块导入CryptoJS，还告诉我如何使用高级安全算法（AES）在Typescript中加密字符串并在C＃中解密相同字符串？
普拉迪普
npm instal crypto-js
//Inside imports of your TS file include
import * as CryptoJS from 'crypto-js';
// Declare this key and iv values in declaration
private key = CryptoJS.enc.Utf8.parse('4512631236589784');
private iv = CryptoJS.enc.Utf8.parse('4512631236589784');
// Methods for the encrypt and decrypt Using AES
encryptUsingAES256() {
var encrypted = CryptoJS.AES.encrypt(CryptoJS.enc.Utf8.parse(JSON.stringify("Your Json Object data or string")), this.key, {
keySize: 128 / 8,
iv: this.iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
console.log('Encrypted :' + encrypted);
this.decryptUsingAES256(encrypted);
return encrypted;
}
decryptUsingAES256(decString) {
var decrypted = CryptoJS.AES.decrypt(decString, this.key, {
keySize: 128 / 8,
iv: this.iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
console.log('Decrypted : ' + decrypted);
console.log('utf8 = ' + decrypted.toString(CryptoJS.enc.Utf8));
}
此处用于编码或解码的C＃代码。
public class encr {
public static string DecryptStringAES(string cipherText) {
var keybytes = Encoding.UTF8.GetBytes("4512631236589784");
var iv = Encoding.UTF8.GetBytes("4512631236589784");
var encrypted = Convert.FromBase64String(cipherText);
var decriptedFromJavascript = DecryptStringFromBytes(encrypted, keybytes, iv);
return decriptedFromJavascript;
}
private static string DecryptStringFromBytes(byte[] cipherText, byte[] key, byte[] iv) {
// Check arguments.
if (cipherText == null || cipherText.Length <= 0) {
throw new ArgumentNullException("cipherText");
}
if (key == null || key.Length <= 0) {
throw new ArgumentNullException("key");
}
if (iv == null || iv.Length <= 0) {
throw new ArgumentNullException("key");
}
// Declare the string used to hold
// the decrypted text.
string plaintext = null;
// Create an RijndaelManaged object
// with the specified key and IV.
using(var rijAlg = new RijndaelManaged()) {
//Settings
rijAlg.Mode = CipherMode.CBC;
rijAlg.Padding = PaddingMode.PKCS7;
rijAlg.FeedbackSize = 128;
rijAlg.Key = key;
rijAlg.IV = iv;
// Create a decrytor to perform the stream transform.
var decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
try {
// Create the streams used for decryption.
using(var msDecrypt = new MemoryStream(cipherText)) {
using(var csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read)) {
using(var srDecrypt = new StreamReader(csDecrypt)) {
// Read the decrypted bytes from the decrypting stream
// and place them in a string.
plaintext = srDecrypt.ReadToEnd();
}
}
}
} catch {
plaintext = "keyError";
}
}
return plaintext;
}
public static string EncryptStringAES(string plainText) {
var keybytes = Encoding.UTF8.GetBytes("4512631236589784");
var iv = Encoding.UTF8.GetBytes("4512631236589784");
var encryoFromJavascript = EncryptStringToBytes(plainText, keybytes, iv);
return Convert.ToBase64String(encryoFromJavascript);
}
private static byte[] EncryptStringToBytes(string plainText, byte[] key, byte[] iv) {
// Check arguments.
if (plainText == null || plainText.Length <= 0) {
throw new ArgumentNullException("plainText");
}
if (key == null || key.Length <= 0) {
throw new ArgumentNullException("key");
}
if (iv == null || iv.Length <= 0) {
throw new ArgumentNullException("key");
}
byte[] encrypted;
// Create a RijndaelManaged object
// with the specified key and IV.
using(var rijAlg = new RijndaelManaged()) {
rijAlg.Mode = CipherMode.CBC;
rijAlg.Padding = PaddingMode.PKCS7;
rijAlg.FeedbackSize = 128;
rijAlg.Key = key;
rijAlg.IV = iv;
// Create a decrytor to perform the stream transform.
var encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for encryption.
using(var msEncrypt = new MemoryStream()) {
using(var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write)) {
using(var swEncrypt = new StreamWriter(csEncrypt)) {
//Write all data to the stream.
swEncrypt.Write(plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
// Return the encrypted bytes from the memory stream.
return encrypted;
}
}
本文收集自互联网，转载请注明来源。
如有侵权，请联系 [email protected] 删除。
我来说两句