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SubjectRe: [PATCH RFC v1 1/3] bpf: move from sha1 to blake2s in tag calculation
Hi Alexei,

On 1/13/22, Alexei Starovoitov <alexei.starovoitov@gmail.com> wrote:
> Nack.
> It's part of api. We cannot change it.

This is an RFC patchset, so there's no chance that it'll actually be
applied as-is, and hence there's no need for the strong hammer nack.
The point of "request for comments" is comments. Specifically here,
I'm searching for information on the ins and outs of *why* it might be
hard to change. How does userspace use this? Why must this 64-bit
number be unchanged? Why did you do things this way originally? Etc.
If you could provide a bit of background, we might be able to shake
out a solution somewhere in there.

Thanks,
Jason

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