Re: IPsec bandwidth perf on APU4C4

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday, June 10, 2019 4:49 PM, Christian Weisgerber <naddy@mips.inka.de> wrote:

> It helps to understand that the authentication algorithm can require
> as much or more CPU than the encryption. HMAC-SHA2 is expensive.
> On hardware that has AES-NI support, like the APU2 family, AES-GCM
> is generally the fastest encryption/authentication combo.

Thanks for the tip regarding the cpu cost of the authentication algorithm. Now I was wondering how do you use the AES-GCM combo? I can't find any auth or enc parameters mentioning that combo.