我尝试在java中加密一些消息,但是当我尝试将其解密为角度时,它没有给出任何正确的输出。
需要在 Angular 中进行哪些更改才能解密消息?
这是我的Java代码:
public class AesBase64Wrapper{
private static char[] password = "EF737CC29DAE7C80644A5B01544CBA61".toCharArray();
private static byte iv[];
static {
try {
iv = getBytes("79994A6EF73DA76C");
} catch (Exception e) {
e.printStackTrace();
}
}
public static String encryptAndEncode(String raw,String salt)
{
try
{
Cipher c = getCipher(1,salt);
byte[] encryptedVal = c.doFinal(getBytes(raw));
return Base64.getEncoder().encodeToString(encryptedVal);
}
catch (Throwable t)
{
throw new RuntimeException(t);
}
}
public static String decodeAndDecrypt(String encrypted,String salt) throws Exception
{
byte[] decodedValue = Base64.getDecoder().decode(encrypted);
Cipher c = getCipher(2,salt);
byte[] decValue = c.doFinal(decodedValue);
return new String(decValue);
}
private static byte[] getBytes(String str) throws UnsupportedEncodingException
{
return str.getBytes("UTF-8");
}
private static Cipher getCipher(int mode,String salt)throws Exception
{
Cipher c = Cipher.getInstance("AES/CBC/PKCS5Padding");
c.init(mode, generateKey(salt), new IvParameterSpec(iv));
return c;
}
private static Key generateKey(String salt) throws Exception
{
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
byte[] saltb = getBytes(salt);
KeySpec spec = new PBEKeySpec(password, saltb, 65536, 256);
SecretKey tmp = factory.generateSecret(spec);
return new SecretKeySpec(tmp.getEncoded(), "AES");
}
}
这个是有角度的:
export class PrepaidCryptoService {
Key_IV = "79994A6EF73DA76C";
PASSWORD = "EF737CC29DAE7C80644A5B01544CBA61";
SALT = "12345";
finalEncryption;
constructor() {
}
encoder(str) {
let encoder = new TextEncoder();
let byteArray = encoder.encode(str)
return CryptoJS.enc.Utf8.parse(str)
}
toWordArray(str) {
return CryptoJS.enc.Utf8.parse(str);
}
encrypt(value) {
var key = CryptoJS.PBKDF2(this.PASSWORD, this.SALT, {
keySize : 256,
iterations: 65536
})
var iv = CryptoJS.enc.Hex.parse(this.Key_IV);
var encrypted = CryptoJS.AES.encrypt(this.encoder(value), key, {
iv: this.toWordArray(iv),
padding: CryptoJS.pad.Pkcs7,
mode: CryptoJS.mode.CBC
})
return encrypted.ciphertext.toString(CryptoJS.enc.Base64);
}
decrypt(value) {
var key = CryptoJS.PBKDF2(this.PASSWORD, this.SALT, {
keySize : 256,
iterations: 65536
})
var iv = CryptoJS.enc.Utf8.parse(this.Key_IV)
var decrypted = CryptoJS.AES.decrypt(value, key, {
iv: this.toWordArray(iv),
padding: CryptoJS.pad.Pkcs7,
mode: CryptoJS.mode.CBC
})
return decrypted.toString(CryptoJS.enc.Utf8);
}
}
我已经尝试了几种不同的方法,但仍然出现这个问题。
我只需更新我的角度代码中的以下方法,它对我有用:
encrypt(value) {
var key = CryptoJS.PBKDF2(this.PASSWORD, this.SALT, {
keySize: 256 / 32,
iterations: 65536
})
var encrypted = CryptoJS.AES.encrypt(this.encoder(value), key, {
iv: this.toWordArray(this.Key_IV),
padding: CryptoJS.pad.Pkcs7,
mode: CryptoJS.mode.CBC
})
return encrypted.ciphertext.toString(CryptoJS.enc.Base64);
}
decrypt(value) {
var key = CryptoJS.PBKDF2(this.PASSWORD, this.SALT, {
keySize: 256 / 32,
iterations: 65536
})
var decrypted = CryptoJS.AES.decrypt(value, key, {
iv: this.toWordArray(this.Key_IV),
padding: CryptoJS.pad.Pkcs7,
mode: CryptoJS.mode.CBC
})
return decrypted.toString(CryptoJS.enc.Utf8);
}
}
我收到一个错误 无法读取未定义的属性(读取“sigbytes”)