[gnutls-devel] GnuTLS | Bug Connecting to a TLS1.3 Only Server (#1637)

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Tue Jan 7 14:28:41 CET 2025




Alicja Kario (@mention me if you need reply) commented: https://gitlab.com/gnutls/gnutls/-/issues/1637#note_2284756094


It looks to me like the server is buggy: in the log.txt case it asks for a X25519 key share in the HelloRetryRequest, the gnutls provides it, and then the server rejects the connection with illegal_parameter

in the log-192.txt case the server picks the Secp384r1 key share and continues with that.

It looks like it has a buggy HRR implementation.

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