用Java加密的字符串需要使用AES-256-GCM在Angular 6中解密

Question

我已经使用AES / GCM / NoPadding在Java中加密了字符串，现在我想在Angular6中解密。我发现的所有示例都使用AES-CBC，我想使用AES-GCM解密。

这是我的Java代码。

import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;    
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec; 

public class AESGCMEncryptionUtils {
private static final String SALT = "some salt";
private static final int AES_KEY_SIZE = 256; 
private static final int GCM_NONCE_LENGTH = 12; // IV
private static final int GCM_TAG_LENGTH = 16; 
private static final String AES_GCM_ALGORITHM = "AES/GCM/NoPadding";
private static final String PBKDF2 = "PBKDF2WithHmacSHA256"; 
private static final String ALGORITHAM = "AES";

public static SecretKeySpec generateKey() throws Exception
 {
     PBEKeySpec spec = new PBEKeySpec("some password".toCharArray(),SALT.getBytes(),10000, AES_KEY_SIZE);
     SecretKey key = SecretKeyFactory.getInstance(PBKDF2).generateSecret(spec);
     SecretKeySpec keySpec = new SecretKeySpec(key.getEncoded(), ALGORITHAM);
     return keySpec;
 }


public static String encrypt(String strToEncrypt)
{
    try 
    {
        byte[] nonce = new byte[GCM_NONCE_LENGTH];
        Cipher cipher = Cipher.getInstance(AES_GCM_ALGORITHM);
        GCMParameterSpec gcmParameterSpec = new GCMParameterSpec(GCM_TAG_LENGTH * 8 , nonce);

        cipher.init(Cipher.ENCRYPT_MODE, generateKey(), gcmParameterSpec);
        return Base64.getEncoder().encodeToString(cipher.doFinal(strToEncrypt.getBytes("UTF-8")));
    } 
    catch (Exception e) 
    {
        log.info("Error while encrypting: " + e.toString());
        return null;
    }
}
}

我在Angular6中需要等效的解密逻辑。请帮助我。