Apple Improves SSL/TLS Support in Latest Operating Systems

SSL Certificate is very important when it comes to Internet security or website security. To keep the sensitive information of user/customer or organizational credentials secure, SSL certificate plays an important role. Secure Socket Layer (SSL) being a standard security protocol, establishes an encrypted link between browser and server to secure content from falling into wrong hands of the hacker. Comodo is cybersecurity platform providing best SSL certificate, naming Comodo SSL. Comodo provides the most reliable Comodo SSL certificate, which has enabled it to maintain its #1 rank in the world.

Apple is a renowned multinational company that designs, develops and sells hardware, software and mobile devices like iPod, IPad, and iPhones. During the annual WWDC (World Wide Developers Conference) in 2017, Apple proclaimed updates of:

1. OS (Operating Systems) for its devices:

• High Sierra for iOS, macOS, and watchOS
• New hardware:-
• iPad Pro
• HomePod smart speaker

2. Advancement in network security standards

• SSL/TLS support
• Cryptographic libraries

Improved SSL/TSL Support

• SHA-1 signed the certificate: Many web browsers have stopped supporting SHA-1 signed certificates considering its vulnerabilities. As per Apple’s latest updates:

1. Apple has decided to end SHA-1 support in its new operating systems.
2. SHA-1 signed root certificates will continue to be supported.
3. Private keys less than 2048 bits will no longer be trusted.
4. Client certificate as well as SSL certificates, which are shared through Mobile Device Management, will continue to be supported.

• TLS 1.3: IEFT (Internet Engineering Task Force) is unable to finalize the TLS1.3 draft. But Apple has officially declared that it would provide support for TLS 1.3 draft specification in High Sierra and iOS 11.

1. This will facilitate developers to test TLS 1.3.
2. Apple had also mentioned that TLS 1.3 will offer drastically fast handshake time. This time will be just 1/3rd of the existing TLS connection speed.

Various web browsers which enabled TLS 1.3 are:

1. Firefox: Mozilla enabled TLS 1.3 in its Firefox web browser by default in the year 2017.
2. Google chrome: Due to compatibility issues, Google Chrome has disabled it after a short period of use.

3. SSL certificate Error User Interface:

In High Sierra and Safari, Apple has successfully managed to redesign the viewer’s certificate error user interface (UI). For better understanding let’s compare both

• Typical Certificate error UI

It will contain SSL-related technical terms such as signature, protocol, etc., which is difficult to understand for a person without technical knowledge.

• New UI

1. Even a non-technical user can understand it easily as Apple has eliminated such technical SSL related terms.
2. Descriptive messaging related to certificate


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