Thomas


I have encountered the same issue. In my case, the problem occurred in conjunction with `SslStreamConnectionAdapter` (explicit encryption). This exception encountered before: **Status must be Running, Stopped, or Paused, but...

Thank you @gilles-peskine-arm for this information. My client is configured to allow both: TLS 1.2 and TLS 1.3. My client configuration with `MBEDTLS_SSL_VERIFY_OPTIONAL` does not lead to any error code...

Now that's weird! When I set `mbedtls_ssl_conf_ca_cb()`, the callback is never called. Instead I get the error 7680 MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED on handshake. A look into the sources confirms this: https://github.com/Mbed-TLS/mbedtls/blob/9cb1aa21c41587618dac2b2886d7362633faa869/library/ssl_tls.c#L1803-L1814 As...

> The way I see things go forward: . document that MBEDTLS_SSL_VERIFY_OPTIONAL and MBEDTLS_SSL_VERIFY_NONE are not supported in TLS 1.3 on client side. . add support of CA callback in...

Unfortunately, only the DC channels are provided. I would have been more interested in the AC channel.