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Re: [cf-dev] Help required on using X.509 certificates with Californium library

let's talk about that at :  https://github.com/eclipse/californium/issues/655


Le 31/05/2018 à 13:21, Jasbir Singh Dhaliwal, IoT WoRKS a écrit :

We are using californium library as CoAP client as well as server.

coap client is provided with a X.509 certificate which is signed by a CA.

Also CoAP server is having its own server certificate which is signed by the same CA.

 

Now while a coap client is trying to communicate to the CoAP Server , it needs to set the identity by below one of the below two methods:

                public Builder setIdentity(PrivateKey privateKey, PublicKey publicKey)

                                OR

                public Builder setIdentity(PrivateKey privateKey, Certificate[] certificateChain, boolean preferRawPublicKeys)

 

Since only certificate is being shared to CoAP client to communicate with CoAP Server, absence of private Key results in above two methods to fail by throwing an error "Identity must be set".

 

Is there any way for a CoAP client to communicate to CoAP Server over DTLS without using Private Key ??

 

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