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苹果回应“一眼解锁”安全性:面部信息不会发送给苹果服务器

2017-09-28 08:52:51   

苹果针对iPhone发行十周年推出的新手机iPhone X(10),其特别的人脸识别解锁功能Face ID,备受外界关注。

近日,在苹果发布隐私政策白皮书前夕,澎湃新闻记者采访了苹果总部负责隐私政策的高管,就Face ID的一些信息隐私保护以及技术问题进行了对话。

苹果iPhone X(10)的人脸识别解锁功能Face ID备受外界关注。

1,苹果最新的iPhone X中采用了Face ID这种脸部识别解锁技术,这相当于用户把自己的面部信息都放在苹果设备中,有人担忧这样做是否会导致信息会泄露。

答:Face ID的信息不会被泄露给任何人,这些信息都被存储在苹果设备中的安全隔区中,不会发送给苹果服务器,也不会共享给第三方。

Face ID的数据,包括你面孔的数学表现形式,都是通过安全加密,并只有安全隔区才能使用。这些数据永远留在你的设备上,绝不会发给苹果,也而不会包含在设备备份中。

神经网络可能会不时进行更新。为避免神经网络更新后用户需要重新注册Face ID,iPhone X能够用自动更新后的神经网络来处理已存储的注册图像。除了由安全隔区进行加密并提供保护外,这些注册图像还会根据你的脸进裁剪,以尽量减少背景信息。 Face ID会保存正常解锁操作期间采集的脸部图像,在计算出与注册的Face ID数据进行比较的数学表示形式后,会立即弃用这些图像。

2,未来Face ID被用来刷脸支付,这种数据也不会提供给第三方吗?

答:第三方app可以使用系统提供的API要求用户使用Face ID或密码进行身份验证, 持有Touch ID的app无需任何调整便可自动支持Face ID。使用Face ID时,app只会获知身份验证是否成功,无法访问Face ID或与注册的Face ID相关的数据。

3,Face ID需要双目注视感应区才可以解锁,最近也有手机企业推出了无需注视特定地方,看这个手机面就可以解锁的3D Face 解锁,如何评价两种技术的差异?

答:需要注视解锁一方面是为了安全,增加注视这个功能才能解锁;另外一定要注视特定区域是为了更准确了解用户是需要打开手机,有时候人脸对着手机并不是想解锁。

4,人们化了妆,Face ID还能准确识别吗?

答:基本腮红这种化妆没有问题,但如果面容确实改变很大的化妆,是有点问题。

5,比如有人突然把大胡子刮掉还可以识别吗?

答:这种变化特别大的不可以,如果面容无法解锁的话,需要重新注册Face ID。

6,Face ID之前承认在解锁双胞胎面孔时有点问题,像整容网红脸这种是否也存在问题?

答:双胞胎比较像这种面容解锁确实容易出错,整容脸这种大家不可能整成双胞胎那么像,用Face ID没有问题。

7,Touch ID可以注册多个指纹,为何Face ID只允许一张脸?

答:也许是面部识别信息比较多,每个人有多个手指,而每人只有一张脸。

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