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edited Feb 11, 2024 at 0:25

I have simple secure (I guess) Mosquitto severserver described in my previous question.

Client machine has no any keys or certificate installed except single ca.crt certificate file generated and taken from Mosquitto server.

Is it possible that request performed by simple MQTT client below is encrypted and secure?

mosquitto_sub -h 192.168.1.8 -t sensor --cafile ca.crt -p 8883 -d

This client uses only single certificate file and no keys. Is it somehow possible encrypt traffic by having only certificate and no keys?

I have simple secure (I guess) Mosquitto sever described in my previous question.

Client machine has no any keys or certificate installed except single ca.crt certificate file generated and taken from Mosquitto server.

Is it possible that request performed by simple MQTT client below is encrypted and secure?

mosquitto_sub -h 192.168.1.8 -t sensor --cafile ca.crt -p 8883 -d

This client uses only single certificate file and no keys. Is it somehow possible encrypt traffic by having only certificate and no keys?

I have simple secure (I guess) Mosquitto server described in my previous question.

Client machine has no any keys or certificate installed except single ca.crt certificate file generated and taken from Mosquitto server.

Is it possible that request performed by simple MQTT client below is encrypted and secure?

mosquitto_sub -h 192.168.1.8 -t sensor --cafile ca.crt -p 8883 -d

This client uses only single certificate file and no keys. Is it somehow possible encrypt traffic by having only certificate and no keys?

asked Dec 18, 2019 at 10:05

Is it possible to encrypt traffic if I have only CA certificate?

I have simple secure (I guess) Mosquitto sever described in my previous question.

Client machine has no any keys or certificate installed except single ca.crt certificate file generated and taken from Mosquitto server.

Is it possible that request performed by simple MQTT client below is encrypted and secure?

mosquitto_sub -h 192.168.1.8 -t sensor --cafile ca.crt -p 8883 -d

This client uses only single certificate file and no keys. Is it somehow possible encrypt traffic by having only certificate and no keys?