At the heart of this upgrade is complex cryptography.

这次升级的核心是复杂的加密技术

Work began on adding cryptographically strong signatures

从为域名系统中的每一个条目

to every entry in the domain name system

添加复杂加密签名开始

in order to make it impossible

这么做的目的

to spoof or plant false information.

是使伪造或植入虚假信息变为不可能

To make sure these cryptographic codes remain secure,

为了确保这些加密代码的安全性

they are reset every three months.

他们每三个月就要重置一次代码

Three trusted experts from around the world have been summoned

三名值得信任的专家从世界各地受召集而来

with three keys, keys that open these safety deposit boxes.

他们每人都有一把保险柜钥匙

So, now we are opening box 1-2-4-0.

现在我们正在打开保险柜1-2-4-0

Inside are smart cards.

保险柜里有智能芯片

When the three are put together,

当三个保险柜一起被打开时

a master code can be validated

主代码被验证成功

which resets the system for millions of websites.

并为成百上千万的网址重置系统

We are very lucky because every one of these people

我们很幸运 因为这里的每个人

are respected members of the technical community,

都是这个技术团体中受人尊敬的成员

technical internet community,

互联网技术团体

and that's what we were doing.

这就是我们着手在做的

重点解释：

1.in order to 为了

例句：He lit a cigarette in order to calm his mind.

他点燃一支香烟，镇定一下情绪。

2.make sure 设法确保

例句：Make sure you read all the small print before signing.

一定要先看清小号字体印刷部分再签字。

3.millions of 成百万的

例句：There are millions of living things on the earth.

世界上有数以百万计的生物。