NRF9160 modem cipher list

[Vlad T]

Hello,

We are tweaking the TLS connection between nrf91 and mosquitto.

What ciphers does the modem support? Is there a list available?

Best regards,

Vlad

[Martin Lesund]

Hi Vlad,

The following chipher suites are supported:
            Cipher Suites (8 suites)
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
                Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV 

Please check the Nordic Security Module documentation  for info: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfxlib/nrf_security/doc/nrf_security.html?highlight=cipher