Java实现AES和RSA加解密时，Mode动态支持ECB，CTR，GCM

promise524

于 2024-07-31 11:12:47 发布

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文章标签： java

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import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
import java.security.*;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;

public class AESAndRSAUtil {
   
   

    // 动态选择AES的加密模式
    public static String aesEncrypt(String plaintext, byte[] key, String mode) throws Exception {
   
   
        Cipher cipher = Cipher.getInstance("AES/" + mode + "/PKCS5Padding");
        SecretKeySpec secretKeySpec = new SecretKeySpec(key, "AES");
        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);
        byte[] encrypted = cipher.doFinal