/** * AES解密 * @param content 密文 * @return * @throws InvalidAlgorithmParameterException * @throws NoSuchProviderException */ public static byte[] xcx_decrypt(byte[] content, byte[] keyByte, byte[] ivByte) throws InvalidAlgorithmParameterException { initialize(); try { Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding"); Key sKeySpec = new SecretKeySpec(keyByte, "AES"); cipher.init(Cipher.DECRYPT_MODE, sKeySpec, generateIV(ivByte));// 初始化 byte[] result = cipher.doFinal(content); return result; } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (NoSuchPaddingException e) { e.printStackTrace(); } catch (InvalidKeyException e) { e.printStackTrace(); } catch (IllegalBlockSizeException e) { e.printStackTrace(); } catch (BadPaddingException e) { e.printStackTrace(); } catch (NoSuchProviderException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; }
调用方式：
public static void main(String[] args) throws Exception {
byte[] resultByte = AES.xcx_decrypt(Base64.decodeBase64(reqInfoJSONObject.getString("encryptedData")),
Base64.decodeBase64("sessionKey"), Base64.decodeBase64(reqInfoJSONObject.getString("iv")));
String userInfo = new String(resultByte, "UTF-8");
JSONObject userObj = JSONObject.fromObject(userInfo);
logger.info("userInfo ===>" + userInfo);
URLEncoder.encode(userObj.getString("nickName"), "utf-8");
userObj.getString("unionId");
}
