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Re: Supported TLS version for CFNetwork in various Mac OS X
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Re: Supported TLS version for CFNetwork in various Mac OS X


  • Subject: Re: Supported TLS version for CFNetwork in various Mac OS X
  • From: Yulia Bensman <email@hidden>
  • Date: Tue, 04 Aug 2015 18:17:40 +0000
  • Thread-topic: Supported TLS version for CFNetwork in various Mac OS X

Hi Jens,

Thank you for your answer. I saw this TN and  also made such conclusions. But I am still not sure, since first of all I am not sure if CFNetwork in Mac OS X and in iOS are progressing in parallel. So I wonder if somebody knows it for sure. Thanks again!

Yulia

On Aug 4, 2015, at 7:28 PM, Jens Alfke <email@hidden> wrote:


On Aug 4, 2015, at 8:08 AM, Yulia Bensman <email@hidden> wrote:

My question is: what is the maximal supported TLS version in CFNetwork library in various Mac OS X (starting from 10.7)?

According to TN2287, TLS 1.2 support was first added in iOS 5 (2011?), so it would have appeared in OS X in the next version released after that. You could look up the exact release dates, but I _think_ that implies OS X 10.8.

SecureTransport.h defines a constant kTLSProtocol12, but it doesn’t have an availability annotation showing what OS versions it’s applicable to.

—Jens




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References: 
 >Supported TLS version for CFNetwork in various Mac OS X (From: Yulia Bensman <email@hidden>)
 >Re: Supported TLS version for CFNetwork in various Mac OS X (From: Jens Alfke <email@hidden>)

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