Is there a difference in performance between “authentication only” and “authentication AND encryption”?

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Webinar_Question
Posts: 161
Joined: 29 Feb 2024, 07:58

Is there a difference in performance between “authentication only” and “authentication AND encryption”?

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Is there a difference in execution performance or duration of the AES-GCM algorithm when using 'authentication only' compared to 'authentication AND encryption'?
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dominik_z
Posts: 13
Joined: 18 Dec 2024, 08:34

Re: Is there a difference in performance between “authentication only” and “authentication AND encryption”?

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Webinar_Question wrote: ↑22 Aug 2025, 09:45 Is there a difference in execution performance or duration of the AES-GCM algorithm when using 'authentication only' compared to 'authentication AND encryption'?
Yes, authenticated encryption is typically more costly than authentication only. Therefore, both options ae provided to be able to provide the performance needed.
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