JAVA中使用AES加密解密

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    /**     * AES加密測試     *     * @param str 加密參數     */    public void aesTest(String str) {        log.info("[rsaTest擷取請求:{}]", str);        try {            String encryptResult = AESUtil.encrypt(str, "123456");            log.info("[AES加密後的參數為:{}]", encryptResult);            String decryptResult = AESUtil.decrypt(encryptResult, "123456");            log.info("[AES解密後的參數為:{}]", decryptResult);        } catch (Exception e) {            log.info("[AES加密解密出現異常:{}]", e);        }    }    /**     * AES加密     *     * @param content  需要加密的內容     * @param password 加密密碼     * @return     */    public static String encrypt(String content, String password) {        try {            KeyGenerator kgen = KeyGenerator.getInstance("AES");            kgen.init(128, new SecureRandom(password.getBytes()));            SecretKey secretKey = kgen.generateKey();            byte[] enCodeFormat = secretKey.getEncoded();            SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");            Cipher cipher = Cipher.getInstance("AES");            byte[] byteContent = content.getBytes("utf-8");            cipher.init(Cipher.ENCRYPT_MODE, key);            byte[] result = cipher.doFinal(byteContent);            Base64 base64 = new Base64();            return base64.encodeToString(result);        } catch (Exception e) {            log.info("AES加密出現異常:{}", e);        }        return null;    }    /**     * AES解密     *     * @param content  待解密內容     * @param password 解密密鑰     * @return     */    public static String decrypt(String content, String password) {        try {            Base64 base64 = new Base64();            byte[] text = base64.decode(content);            KeyGenerator kgen = KeyGenerator.getInstance("AES");            kgen.init(128, new SecureRandom(password.getBytes()));            SecretKey secretKey = kgen.generateKey();            byte[] enCodeFormat = secretKey.getEncoded();            SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");            Cipher cipher = Cipher.getInstance("AES");            cipher.init(Cipher.DECRYPT_MODE, key);            byte[] result = cipher.doFinal(text);            return new String(result);        } catch (Exception e) {            log.info("AES解密出現異常:{}", e);        }        return null;    }

 

JAVA中使用AES加密解密