Dear Madam/Sir,
We are working on a project which requires IEC 62351 standards. For that we had developed a TLS server in C language and we had the requirement of developing a TLS client in Java language. We had used the *mbedTLS library for server* and *OpenMUC libraries for client*. But we are getting exception while certificate exchange phase and all. We had attached the listed exceptions and errors. Kindly provide necessary support for the same. Also please confirm whether we can develop above specified architecture, ie TLS based server in C language and client in Java. If available please share some sample programs also. Please reply ASAP.
We have debugged the code and the following are the messages we have got in mbedtls java server and OPENMUC java tls client . During certificate exchange from client to server (MBEDTLS_SSL_CLIENT_CERTIFICATE case in server), the function returns a nonzero value and the alert shows in server is 49 (ie, MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED). *Please check Fig 1 and Fig 2* for the messages displayed during connection establishment.Kindly help us to solve the issues. [image: image.png]
Fig 1- case:MBEDTLS_SSL_CLIENT_CERTIFICATE fails [image: image.png]
Fig 2-OPENMUC java client error when connecting to mbedtlsserver
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