On Fri, Jun 26, 2026, at 12:47, David Benjamin wrote:
>> 2. (Decapsulation key type check) If dk is not a byte array of length 
>> 768𝑘+96 for the value of
>> 𝑘 specified by the relevant parameter set, then input checking has failed.
>
> This is the *length of the private key*. That is (hehe) checking what 
> you generated. It is *not* what you received from the other side.

I see, thanks for the explanation.  I sort of assumed that FIPS 203 wouldn't be 
THAT silly.  Bad assumption on my part.

Given that any checking that exists is already implied by an invocation of 
Encaps/Decaps, would it be acceptable to simply remove the explicit pointer to 
the checks?

I've suggested that on the PR: 
https://github.com/tlswg/draft-ietf-tls-mlkem/pull/25/changes#r3478889869

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