On Thu, Mar 06, 2025 at 11:29:16AM +0000, Daniel Van Geest wrote:

> IANA went with the uppercase naming, while OpenSSL went with lower.

That is not the case, OpenSSL uses the IANA names, but the matching is
now case-insensitive.  Perhaps you were testing with the oqsprovider?

    $ openssl list -tls1_3 -tls-groups | tr ':' '\n' | tail -n6
    MLKEM512
    MLKEM768
    MLKEM1024
    SecP256r1MLKEM768
    X25519MLKEM768
    SecP384r1MLKEM1024

> Lowercase is generally more consistent with the other IANA codepoints,
> with some exceptions including the recent hybrids. For what it's
> worth, the slightly different bikeshed shade that I prefer is
> lowercase.

We'll likely shortly change the group name lookup code to be
case-insensitive, just in case, and a convenience for the users.

-- 
    Viktor.

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