Manuel Pégourié-Gonnard 298d6cc397 Add mbedtls_ssl_check_curve_tls_id() (internal)
This can be used to validate the server's choice of group in the PSA
case (this will be done in the next commit).

Backport of 0d63b84fa49ecb758dbec4fd7a94df59fe8367ab with a very
different implementation, as 2.28 still stores the list of allowed
groups with their mbedtls_ecp group IDs, not the IANA/TLS group IDs
(changed by https://github.com/ARMmbed/mbedtls/pull/4859/ in 3.x).

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-02-14 13:00:32 +01:00
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