import CryptoJS from '@/utils/crypto-js.js'

export const encrypt_by_des=(plain_data, key, mode, padding)=> {
  try {
   var cfg = mode ? {mode: mode} : {mode: CryptoJS.mode.ECB};
   if (padding) { cfg.padding = padding; }

   var d = CryptoJS.enc.Utf8.parse(plain_data);
   var k = CryptoJS.enc.Utf8.parse(key);
   var ed1 = CryptoJS.DES.encrypt(d,k,cfg); 

   var b64 = CryptoJS.enc.Base64.stringify(ed1.ciphertext);
   return b64;
  } catch (e) {
   return '';
  }
 }
// DES加密
export const encryptDes = (message, key) => {
  const keyHex = CryptoJS.enc.Utf8.parse(key);
  const encrypted = CryptoJS.DES.encrypt(message, keyHex, {
   mode: CryptoJS.mode.ECB,
   padding: CryptoJS.pad.Pkcs7
   });
  return encrypted.toString();
}
 
// DES解密
export const decryptDes = (ciphertext, key) => {
  const keyHex = CryptoJS.enc.Utf8.parse(key);
  // direct decrypt ciphertext
  const decrypted = CryptoJS.DES.decrypt({
     ciphertext: CryptoJS.enc.Base64.parse(ciphertext)
   }, keyHex, {
     mode: CryptoJS.mode.ECB,
     padding: CryptoJS.pad.Pkcs7
  });
  return decrypted.toString(CryptoJS.enc.Utf8);
}