From Touch ID to Face ID, Apple is actually playing a big game

On july 8, 2019, according to media reports, apple is testing Face ID and Touch ID login on iCloud web pages on iOS 13 and macOS Catalina beta.

From Touch ID to Face ID, Apple’s security requirements are not a single product, but an entire Apple ecosystem.

According to the report, users will automatically jump to beta.icloud.com when using the latest beta system to visit iCloud.com. At the same time, the user will also receive a pop-up window whether to login with Face ID or Touch ID.

In addition, Apple said earlier that it would provide developers with relevant quick login functions this summer and officially announce them before the September release.

In fact, using Face ID and Touch ID to log in on iCloud.com is much easier and safer than manually entering login information. In addition, this login method should be familiar to people who have logged into APP Store or iTunes Store in the past.


Touch ID: from unlock to third-party application

The Touch ID was first used on the iPhone 5s released in 2013, and there is an area called Secure Enclave to specifically protect passwords and fingerprint data. In addition, Touch ID adopts “hardware locking” technology, and each Touch ID component is matched with only one processor, thus ensuring security.

At first, because the API was not open, Touch ID was only used to unlock the screen. Until the release of iOS 8 operating system on September 17, 2014, Touch ID was open to third-party applications, which meant that various third-party applications could use it without entering passwords.

As for the security of touch ID, Apple once issued a security document in which Apple reiterated the “no third party” rule for Touch ID and fingerprint information. In other words, there is no other App or third party other than Apple itself that has the right to use Touch ID and user fingerprint data.

With the release of iOS 8, Apple Pay, a new feature, has also appeared. Moreover, the combination of Apple Pay and Touch ID has brought a new scene of third-party payment. For the use of Apple Pay, the payment can be made as long as the iPhone is close to the card reader with the UnionPay flash payment sign and the finger is placed on the HOME key to verify the fingerprint.

However, some data show that Apple Pay did not receive much attention among users at the initial stage of its release, because the difficulty in registering debit cards has affected the usability of Apple Pay. However, due to the combination of Apple Pay and Touch ID, Apple Pay has sufficient strength.

Also in 2014, Apple and Alipay reached a cooperation. IOS version of alipay wallet APP has been updated to support Touch ID payment. Moreover, Alipay clearly pointed out in the update instructions that the applicable conditions for fingerprint payment are iPhone5s, iPhone6 and iPhone6 Plus of iOS 8 system.

By June 8, 2015, WeChat was upgraded to include fingerprint payment function in WeChat wallet service version 6.2 under the same conditions as iOS 8.

After reaching cooperation with WeChat and Alipay, Apple’s own software Apple Pay entered China in 2016. Since then, by May 2018, Apple Pay web page payment technology has officially entered China. When shopping, it is no longer necessary to enter bills, delivery addresses and contact details, and payment can be completed directly through Touch ID or Face ID.

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Face ID: increased security

It is worth noting that the Touch ID is applied based on the Home key. In 2017, iPhone X cancelled the Home key and the Touch ID was replaced by Face ID.

According to the White Paper on Face ID published by Apple, Face ID can accurately map the geometric structure of a user’s face using the latest original deep-sensing camera system and a number of advanced technologies, thus providing a safe and intuitive authentication method. Face ID is better than touchid in terms of security: touchid is 1/50000 and Face ID is 1/1 million.

In addition, apple’s Face ID also uses the neutral bio-engine in A11 processor to learn and improve its algorithm through Neural network technology. for example, Face ID will update the internal stored facial recognition data with the user’s use, so that the recognition benchmark can basically synchronize with the user’s own facial changes, which is also conducive to enhancing its security.

Apple’s Face ID also leverages the Neural bioengine in the A11 processor to learn and improve algorithms through neural network technology, for example, Face ID basically synchronizes the identification benchmark with the user’s own facial changes as the user updates the internally stored facial recognition data. This also helps to enhance its security.

It is worth mentioning that apple’s official information shows that applications that support Touch ID will automatically support Face ID. Therefore, Face ID can be applied not only to unlock devices, but also to third-party applications.


From Touch ID to Face ID, from secure unlocking to secure payment, Apple’s efforts in hardware product security are beyond doubt. Today, apple is no longer satisfied with hardware security, and is gradually focusing on service application security (e.g., icloud); Touch ID and Face ID are also beyond the hardware level.

It can be seen that Apple’s requirement for safety is not a single product, but the whole apple ecology.

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Hello, I am a website editor. I've edited more than 10 websites in the last five years. My hobbies are health, life and website technology. For me, writing an article is part of my life. All articles on the page are based on scientific confirmation, not individual speculation, and more source comments will be added in the future. Thank you for reading!

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1 Response

  1. 14/07/2019

    […] From Touch ID to Face ID, Apple is actually playing a big game […]

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