On 17 May 2022, at 23:11, Mark Randall <marand...@php.net> wrote:
> On 17/05/2022 21:36, David CARLIER wrote:
>> I wanted a more general but early feedback on the idea itself
>> https://github.com/php/php-src/pull/3759
> 
> What is the motivation? What is it meant to achieve?


If the Session ID continued to work as the Identifier, but the client was given 
the Session ID and a Random Key (could be concatenated together for the 
cookie)... that means the Random Key would not be stored on the server, and 
could protect the session if there was a vulnerability on the server/website 
(e.g. attacker being able to see the directory listing of session files)... I'm 
not sure how much of a benefit that will actually provide, vs the risk of it 
going wrong (e.g. future PHP changing encryption algorithm).

Craig

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