java调用openssl

static {
    System.loadLibrary("openssl"); // 加载本地库
}

// 示例代码：AES 加密解密
SecretKeySpec secretKey = new SecretKeySpec(keyBytes, "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, secretKey, new IvParameterSpec(ivBytes));
byte[] encrypted = cipher.doFinal(plainText.getBytes());

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

public class OpenSSLExample {
    private static final String ALGORITHM = "AES/CBC/PKCS5Padding";

    public static byte[] encrypt(byte[] key, byte[] iv, byte[] data) throws Exception {
        SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.ENCRYPT_MODE, secretKey, new IvParameterSpec(iv));
        return cipher.doFinal(data);
    }

    public static byte[] decrypt(byte[] key, byte[] iv, byte[] encryptedData) throws Exception {
        SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.DECRYPT_MODE, secretKey, new IvParameterSpec(iv));
        return cipher.doFinal(encryptedData);
    }

    public static void main(String[] args) {
        try {
            byte[] key = "1234567890123456".getBytes(); // 16字节密钥
            byte[] iv = "abcdef0123456789".getBytes();  // 16字节IV
            String originalText = "Hello, World!";
            byte[] encrypted = encrypt(key, iv, originalText.getBytes());
            byte[] decrypted = decrypt(key, iv, encrypted);
            System.out.println(new String(decrypted)); // 输出: Hello, World!
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}