Carrying-Out SSL Pinning in iOS Apps
- By Konstant Infosolutions
- •
- 02 Apr, 2021
- •
As we create a website/application to run on a server and pin a certificate into the code, we always connect to that server securely. There are three things that the client and server must agree upon:
(1) How will keys be exchanged?
(2) How will data be encrypted?
(3) How will messages be marked as authentic?
But what if someone intercepts the communication and serves a different website, it then becomes difficult to differentiate from the original one. It is the shady certificate, termed as a man-in-the-middle attack. Another one is DNS poisoning. Your client-side code will validate it even after serving a different domain – easy spoofing. You're able to communicate with the attacker, who blocked the communication with the server and checked all the data. Let’s find out more about SSL pinning basics!
(1) How will keys be exchanged?
(2) How will data be encrypted?
(3) How will messages be marked as authentic?
But what if someone intercepts the communication and serves a different website, it then becomes difficult to differentiate from the original one. It is the shady certificate, termed as a man-in-the-middle attack. Another one is DNS poisoning. Your client-side code will validate it even after serving a different domain – easy spoofing. You're able to communicate with the attacker, who blocked the communication with the server and checked all the data. Let’s find out more about SSL pinning basics!
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