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package cn.opencodes.utils;
import java.security.Security;
import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public class AESUtils {
/**
* 加密 AES-256
* @param decryptCode 待加密内容
* @param key 密钥
*/
public static String encryptByAES(String content, String password) throws Exception {
try {
SecretKey key = new SecretKeySpec(password.getBytes(), "AES");
Security.addProvider(new BouncyCastleProvider());
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
cipher.init(Cipher.ENCRYPT_MODE, key);
byte[] byteContent = content.getBytes("utf-8");
byte[] cryptograph = cipher.doFinal(byteContent);
return Base64.getEncoder().encodeToString(cryptograph);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 解密 AES-256
* @param decryptCode 待解密内容
* @param key 密钥
* @return
*/
public static String decryptByAES(String decryptCode, String key) throws Exception {
byte[] data = Base64.getDecoder().decode(decryptCode);
SecretKey secretKey = new SecretKeySpec(key.getBytes(), "AES");
Security.addProvider(new BouncyCastleProvider());
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
cipher.init(Cipher.DECRYPT_MODE, secretKey);
return new String(cipher.doFinal(data), "UTF-8");
}
}