public static WxMpXmlMessage fromEncryptedXml(
      String encryptedXml,
      WxMpConfigStorage wxMpConfigStorage,
      String timestamp, String nonce, String msgSignature) {
    WxMpCryptUtil cryptUtil = new WxMpCryptUtil(wxMpConfigStorage);
    String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedXml);
    return fromXml(plainText);
  }
public static WxMpXmlMessage fromEncryptedXml ( String encryptedXml , WxMpConfigStorage wxMpConfigStorage , String timestamp , String nonce , String msgSignature ) { WxMpCryptUtil cryptUtil = new WxMpCryptUtil ( wxMpConfigStorage ) ; String plainText = cryptUtil . decrypt ( msgSignature , timestamp , nonce , encryptedXml ) ; return fromXml ( plainText ) ; }
从加密字符串转换

@param encryptedXml
@param wxMpConfigStorage
@param timestamp
@param nonce
@param msgSignature
@return